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FINRAOS/DataGenerator
dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/manager/JettyManager.java
JettyManager.requestBlock
public synchronized String requestBlock(String name) { if (blocks.isEmpty()) { return "exit"; } remainingBlocks.decrementAndGet(); return blocks.poll().createResponse(); }
java
public synchronized String requestBlock(String name) { if (blocks.isEmpty()) { return "exit"; } remainingBlocks.decrementAndGet(); return blocks.poll().createResponse(); }
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Returns a description a block of work, or "exit" if no more blocks exist @param name the assigned name of the consumer requesting a block of work @return a description a block of work, or "exit" if no more blocks exist
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1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/manager/JettyManager.java#L76-L83
163,801
FINRAOS/DataGenerator
dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/manager/JettyManager.java
JettyManager.makeReport
public String makeReport(String name, String report) { long increment = Long.valueOf(report); long currentLineCount = globalLineCounter.addAndGet(increment); if (currentLineCount >= maxScenarios) { return "exit"; } else { return "ok"; } }
java
public String makeReport(String name, String report) { long increment = Long.valueOf(report); long currentLineCount = globalLineCounter.addAndGet(increment); if (currentLineCount >= maxScenarios) { return "exit"; } else { return "ok"; } }
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Handles reports by consumers @param name the name of the reporting consumer @param report the number of lines the consumer has written since last report @return "exit" if maxScenarios has been reached, "ok" otherwise
[ "Handles", "reports", "by", "consumers" ]
1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/manager/JettyManager.java#L101-L110
163,802
FINRAOS/DataGenerator
dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/manager/JettyManager.java
JettyManager.prepareStatus
public void prepareStatus() { globalLineCounter = new AtomicLong(0); time = new AtomicLong(System.currentTimeMillis()); startTime = System.currentTimeMillis(); lastCount = 0; // Status thread regularly reports on what is happening Thread statusThread = new Thread() { public void run() { while (true) { try { Thread.sleep(1000); } catch (InterruptedException e) { System.out.println("Status thread interrupted"); } long thisTime = System.currentTimeMillis(); long currentCount = globalLineCounter.get(); if (thisTime - time.get() > 1000) { long oldTime = time.get(); time.set(thisTime); double avgRate = 1000.0 * currentCount / (thisTime - startTime); double instRate = 1000.0 * (currentCount - lastCount) / (thisTime - oldTime); lastCount = currentCount; System.out.println(currentCount + " AvgRage:" + ((int) avgRate) + " lines/sec instRate:" + ((int) instRate) + " lines/sec Unassigned Work: " + remainingBlocks.get() + " blocks"); } } } }; statusThread.start(); }
java
public void prepareStatus() { globalLineCounter = new AtomicLong(0); time = new AtomicLong(System.currentTimeMillis()); startTime = System.currentTimeMillis(); lastCount = 0; // Status thread regularly reports on what is happening Thread statusThread = new Thread() { public void run() { while (true) { try { Thread.sleep(1000); } catch (InterruptedException e) { System.out.println("Status thread interrupted"); } long thisTime = System.currentTimeMillis(); long currentCount = globalLineCounter.get(); if (thisTime - time.get() > 1000) { long oldTime = time.get(); time.set(thisTime); double avgRate = 1000.0 * currentCount / (thisTime - startTime); double instRate = 1000.0 * (currentCount - lastCount) / (thisTime - oldTime); lastCount = currentCount; System.out.println(currentCount + " AvgRage:" + ((int) avgRate) + " lines/sec instRate:" + ((int) instRate) + " lines/sec Unassigned Work: " + remainingBlocks.get() + " blocks"); } } } }; statusThread.start(); }
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Establishes a thread that on one second intervals reports the number of remaining WorkBlocks enqueued and the total number of lines written and reported by consumers
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1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/manager/JettyManager.java#L126-L159
163,803
FINRAOS/DataGenerator
dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/manager/JettyManager.java
JettyManager.prepareServer
public void prepareServer() { try { server = new Server(0); jettyHandler = new AbstractHandler() { public void handle(String target, Request req, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { response.setContentType("text/plain"); String[] operands = request.getRequestURI().split("/"); String name = ""; String command = ""; String value = ""; //operands[0] = "", request starts with a "/" if (operands.length >= 2) { name = operands[1]; } if (operands.length >= 3) { command = operands[2]; } if (operands.length >= 4) { value = operands[3]; } if (command.equals("report")) { //report a number of lines written response.getWriter().write(makeReport(name, value)); } else if (command.equals("request") && value.equals("block")) { //request a new block of work response.getWriter().write(requestBlock(name)); } else if (command.equals("request") && value.equals("name")) { //request a new name to report with response.getWriter().write(requestName()); } else { //non recognized response response.getWriter().write("exit"); } ((Request) request).setHandled(true); } }; server.setHandler(jettyHandler); // Select any available port server.start(); Connector[] connectors = server.getConnectors(); NetworkConnector nc = (NetworkConnector) connectors[0]; listeningPort = nc.getLocalPort(); hostName = InetAddress.getLocalHost().getHostName(); } catch (Exception e) { e.printStackTrace(); } }
java
public void prepareServer() { try { server = new Server(0); jettyHandler = new AbstractHandler() { public void handle(String target, Request req, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { response.setContentType("text/plain"); String[] operands = request.getRequestURI().split("/"); String name = ""; String command = ""; String value = ""; //operands[0] = "", request starts with a "/" if (operands.length >= 2) { name = operands[1]; } if (operands.length >= 3) { command = operands[2]; } if (operands.length >= 4) { value = operands[3]; } if (command.equals("report")) { //report a number of lines written response.getWriter().write(makeReport(name, value)); } else if (command.equals("request") && value.equals("block")) { //request a new block of work response.getWriter().write(requestBlock(name)); } else if (command.equals("request") && value.equals("name")) { //request a new name to report with response.getWriter().write(requestName()); } else { //non recognized response response.getWriter().write("exit"); } ((Request) request).setHandled(true); } }; server.setHandler(jettyHandler); // Select any available port server.start(); Connector[] connectors = server.getConnectors(); NetworkConnector nc = (NetworkConnector) connectors[0]; listeningPort = nc.getLocalPort(); hostName = InetAddress.getLocalHost().getHostName(); } catch (Exception e) { e.printStackTrace(); } }
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Prepares a Jetty server for communicating with consumers.
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1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/manager/JettyManager.java#L164-L217
163,804
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/writer/XmlWriter.java
XmlWriter.getXmlFormatted
public String getXmlFormatted(Map<String, String> dataMap) { StringBuilder sb = new StringBuilder(); for (String var : outTemplate) { sb.append(appendXmlStartTag(var)); sb.append(dataMap.get(var)); sb.append(appendXmlEndingTag(var)); } return sb.toString(); }
java
public String getXmlFormatted(Map<String, String> dataMap) { StringBuilder sb = new StringBuilder(); for (String var : outTemplate) { sb.append(appendXmlStartTag(var)); sb.append(dataMap.get(var)); sb.append(appendXmlEndingTag(var)); } return sb.toString(); }
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Given an array of variable names, returns an Xml String of values. @param dataMap an map containing variable names and their corresponding values names. @param dataMap @return values in Xml format
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1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/writer/XmlWriter.java#L91-L99
163,805
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/writer/XmlWriter.java
XmlWriter.appendXmlStartTag
private String appendXmlStartTag(String value) { StringBuilder sb = new StringBuilder(); sb.append("<").append(value).append(">"); return sb.toString(); }
java
private String appendXmlStartTag(String value) { StringBuilder sb = new StringBuilder(); sb.append("<").append(value).append(">"); return sb.toString(); }
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Helper xml start tag writer @param value the output stream to use in writing
[ "Helper", "xml", "start", "tag", "writer" ]
1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/writer/XmlWriter.java#L106-L111
163,806
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/writer/XmlWriter.java
XmlWriter.appendXmlEndingTag
private String appendXmlEndingTag(String value) { StringBuilder sb = new StringBuilder(); sb.append("</").append(value).append(">"); return sb.toString(); }
java
private String appendXmlEndingTag(String value) { StringBuilder sb = new StringBuilder(); sb.append("</").append(value).append(">"); return sb.toString(); }
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Helper xml end tag writer @param value the output stream to use in writing
[ "Helper", "xml", "end", "tag", "writer" ]
1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/writer/XmlWriter.java#L118-L123
163,807
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/engine/scxml/SCXMLEngine.java
SCXMLEngine.fillInitialVariables
private Map<String, String> fillInitialVariables() { Map<String, TransitionTarget> targets = model.getChildren(); Set<String> variables = new HashSet<>(); for (TransitionTarget target : targets.values()) { OnEntry entry = target.getOnEntry(); List<Action> actions = entry.getActions(); for (Action action : actions) { if (action instanceof Assign) { String variable = ((Assign) action).getName(); variables.add(variable); } else if (action instanceof SetAssignExtension.SetAssignTag) { String variable = ((SetAssignExtension.SetAssignTag) action).getName(); variables.add(variable); } } } Map<String, String> result = new HashMap<>(); for (String variable : variables) { result.put(variable, ""); } return result; }
java
private Map<String, String> fillInitialVariables() { Map<String, TransitionTarget> targets = model.getChildren(); Set<String> variables = new HashSet<>(); for (TransitionTarget target : targets.values()) { OnEntry entry = target.getOnEntry(); List<Action> actions = entry.getActions(); for (Action action : actions) { if (action instanceof Assign) { String variable = ((Assign) action).getName(); variables.add(variable); } else if (action instanceof SetAssignExtension.SetAssignTag) { String variable = ((SetAssignExtension.SetAssignTag) action).getName(); variables.add(variable); } } } Map<String, String> result = new HashMap<>(); for (String variable : variables) { result.put(variable, ""); } return result; }
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Searches the model for all variable assignments and makes a default map of those variables, setting them to "" @return the default variable assignment map
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1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/engine/scxml/SCXMLEngine.java#L102-L126
163,808
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/engine/scxml/SCXMLEngine.java
SCXMLEngine.bfs
public List<PossibleState> bfs(int min) throws ModelException { List<PossibleState> bootStrap = new LinkedList<>(); TransitionTarget initial = model.getInitialTarget(); PossibleState initialState = new PossibleState(initial, fillInitialVariables()); bootStrap.add(initialState); while (bootStrap.size() < min) { PossibleState state = bootStrap.remove(0); TransitionTarget nextState = state.nextState; if (nextState.getId().equalsIgnoreCase("end")) { throw new ModelException("Could not achieve required bootstrap without reaching end state"); } //run every action in series List<Map<String, String>> product = new LinkedList<>(); product.add(new HashMap<>(state.variables)); OnEntry entry = nextState.getOnEntry(); List<Action> actions = entry.getActions(); for (Action action : actions) { for (CustomTagExtension tagExtension : tagExtensionList) { if (tagExtension.getTagActionClass().isInstance(action)) { product = tagExtension.pipelinePossibleStates(action, product); } } } //go through every transition and see which of the products are valid, adding them to the list List<Transition> transitions = nextState.getTransitionsList(); for (Transition transition : transitions) { String condition = transition.getCond(); TransitionTarget target = ((List<TransitionTarget>) transition.getTargets()).get(0); for (Map<String, String> p : product) { Boolean pass; if (condition == null) { pass = true; } else { //scrub the context clean so we may use it to evaluate transition conditional Context context = this.getRootContext(); context.reset(); //set up new context for (Map.Entry<String, String> e : p.entrySet()) { context.set(e.getKey(), e.getValue()); } //evaluate condition try { pass = (Boolean) this.getEvaluator().eval(context, condition); } catch (SCXMLExpressionException ex) { pass = false; } } //transition condition satisfied, add to bootstrap list if (pass) { PossibleState result = new PossibleState(target, p); bootStrap.add(result); } } } } return bootStrap; }
java
public List<PossibleState> bfs(int min) throws ModelException { List<PossibleState> bootStrap = new LinkedList<>(); TransitionTarget initial = model.getInitialTarget(); PossibleState initialState = new PossibleState(initial, fillInitialVariables()); bootStrap.add(initialState); while (bootStrap.size() < min) { PossibleState state = bootStrap.remove(0); TransitionTarget nextState = state.nextState; if (nextState.getId().equalsIgnoreCase("end")) { throw new ModelException("Could not achieve required bootstrap without reaching end state"); } //run every action in series List<Map<String, String>> product = new LinkedList<>(); product.add(new HashMap<>(state.variables)); OnEntry entry = nextState.getOnEntry(); List<Action> actions = entry.getActions(); for (Action action : actions) { for (CustomTagExtension tagExtension : tagExtensionList) { if (tagExtension.getTagActionClass().isInstance(action)) { product = tagExtension.pipelinePossibleStates(action, product); } } } //go through every transition and see which of the products are valid, adding them to the list List<Transition> transitions = nextState.getTransitionsList(); for (Transition transition : transitions) { String condition = transition.getCond(); TransitionTarget target = ((List<TransitionTarget>) transition.getTargets()).get(0); for (Map<String, String> p : product) { Boolean pass; if (condition == null) { pass = true; } else { //scrub the context clean so we may use it to evaluate transition conditional Context context = this.getRootContext(); context.reset(); //set up new context for (Map.Entry<String, String> e : p.entrySet()) { context.set(e.getKey(), e.getValue()); } //evaluate condition try { pass = (Boolean) this.getEvaluator().eval(context, condition); } catch (SCXMLExpressionException ex) { pass = false; } } //transition condition satisfied, add to bootstrap list if (pass) { PossibleState result = new PossibleState(target, p); bootStrap.add(result); } } } } return bootStrap; }
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Performs a partial BFS on model until the search frontier reaches the desired bootstrap size @param min the desired bootstrap size @return a list of found PossibleState @throws ModelException if the desired bootstrap can not be reached
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1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/engine/scxml/SCXMLEngine.java#L135-L205
163,809
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/engine/scxml/SCXMLEngine.java
SCXMLEngine.process
public void process(SearchDistributor distributor) { List<PossibleState> bootStrap; try { bootStrap = bfs(bootStrapMin); } catch (ModelException e) { bootStrap = new LinkedList<>(); } List<Frontier> frontiers = new LinkedList<>(); for (PossibleState p : bootStrap) { SCXMLFrontier dge = new SCXMLFrontier(p, model, tagExtensionList); frontiers.add(dge); } distributor.distribute(frontiers); }
java
public void process(SearchDistributor distributor) { List<PossibleState> bootStrap; try { bootStrap = bfs(bootStrapMin); } catch (ModelException e) { bootStrap = new LinkedList<>(); } List<Frontier> frontiers = new LinkedList<>(); for (PossibleState p : bootStrap) { SCXMLFrontier dge = new SCXMLFrontier(p, model, tagExtensionList); frontiers.add(dge); } distributor.distribute(frontiers); }
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Performs the BFS and gives the results to a distributor to distribute @param distributor the distributor
[ "Performs", "the", "BFS", "and", "gives", "the", "results", "to", "a", "distributor", "to", "distribute" ]
1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/engine/scxml/SCXMLEngine.java#L212-L227
163,810
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/engine/scxml/SCXMLEngine.java
SCXMLEngine.setModelByInputFileStream
public void setModelByInputFileStream(InputStream inputFileStream) { try { this.model = SCXMLParser.parse(new InputSource(inputFileStream), null, customActionsFromTagExtensions()); this.setStateMachine(this.model); } catch (IOException | SAXException | ModelException e) { e.printStackTrace(); } }
java
public void setModelByInputFileStream(InputStream inputFileStream) { try { this.model = SCXMLParser.parse(new InputSource(inputFileStream), null, customActionsFromTagExtensions()); this.setStateMachine(this.model); } catch (IOException | SAXException | ModelException e) { e.printStackTrace(); } }
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Sets the SCXML model with an InputStream @param inputFileStream the model input stream
[ "Sets", "the", "SCXML", "model", "with", "an", "InputStream" ]
1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/engine/scxml/SCXMLEngine.java#L248-L255
163,811
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/engine/scxml/SCXMLEngine.java
SCXMLEngine.setModelByText
public void setModelByText(String model) { try { InputStream is = new ByteArrayInputStream(model.getBytes()); this.model = SCXMLParser.parse(new InputSource(is), null, customActionsFromTagExtensions()); this.setStateMachine(this.model); } catch (IOException | SAXException | ModelException e) { e.printStackTrace(); } }
java
public void setModelByText(String model) { try { InputStream is = new ByteArrayInputStream(model.getBytes()); this.model = SCXMLParser.parse(new InputSource(is), null, customActionsFromTagExtensions()); this.setStateMachine(this.model); } catch (IOException | SAXException | ModelException e) { e.printStackTrace(); } }
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Sets the SCXML model with a string @param model the model text
[ "Sets", "the", "SCXML", "model", "with", "a", "string" ]
1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/engine/scxml/SCXMLEngine.java#L262-L270
163,812
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/engine/scxml/tags/NWiseExtension.java
NWiseExtension.makeNWiseTuples
public List<Set<String>> makeNWiseTuples(String[] variables, int nWise) { List<Set<String>> completeTuples = new ArrayList<>(); makeNWiseTuplesHelper(completeTuples, variables, 0, new HashSet<String>(), nWise); return completeTuples; }
java
public List<Set<String>> makeNWiseTuples(String[] variables, int nWise) { List<Set<String>> completeTuples = new ArrayList<>(); makeNWiseTuplesHelper(completeTuples, variables, 0, new HashSet<String>(), nWise); return completeTuples; }
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Produces all tuples of size n chosen from a list of variable names @param variables the list of variable names to make tuples of @param nWise the size of the desired tuples @return all tuples of size nWise
[ "Produces", "all", "tuples", "of", "size", "n", "chosen", "from", "a", "list", "of", "variable", "names" ]
1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/engine/scxml/tags/NWiseExtension.java#L73-L78
163,813
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/engine/scxml/tags/NWiseExtension.java
NWiseExtension.produceNWise
public List<Map<String, String>> produceNWise(int nWise, String[] coVariables, Map<String, String[]> variableDomains) { List<Set<String>> tuples = makeNWiseTuples(coVariables, nWise); List<Map<String, String>> testCases = new ArrayList<>(); for (Set<String> tuple : tuples) { testCases.addAll(expandTupleIntoTestCases(tuple, variableDomains)); } return testCases; }
java
public List<Map<String, String>> produceNWise(int nWise, String[] coVariables, Map<String, String[]> variableDomains) { List<Set<String>> tuples = makeNWiseTuples(coVariables, nWise); List<Map<String, String>> testCases = new ArrayList<>(); for (Set<String> tuple : tuples) { testCases.addAll(expandTupleIntoTestCases(tuple, variableDomains)); } return testCases; }
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Finds all nWise combinations of a set of variables, each with a given domain of values @param nWise the number of variables in each combination @param coVariables the varisbles @param variableDomains the domains @return all nWise combinations of the set of variables
[ "Finds", "all", "nWise", "combinations", "of", "a", "set", "of", "variables", "each", "with", "a", "given", "domain", "of", "values" ]
1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/engine/scxml/tags/NWiseExtension.java#L119-L128
163,814
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/engine/scxml/tags/NWiseExtension.java
NWiseExtension.pipelinePossibleStates
public List<Map<String, String>> pipelinePossibleStates(NWiseAction action, List<Map<String, String>> possibleStateList) { String[] coVariables = action.getCoVariables().split(","); int n = Integer.valueOf(action.getN()); List<Map<String, String>> newPossibleStateList = new ArrayList<>(); for (Map<String, String> possibleState : possibleStateList) { Map<String, String[]> variableDomains = new HashMap<>(); Map<String, String> defaultVariableValues = new HashMap<>(); for (String variable : coVariables) { String variableMetaInfo = possibleState.get(variable); String[] variableDomain = variableMetaInfo.split(","); variableDomains.put(variable, variableDomain); defaultVariableValues.put(variable, variableDomain[0]); } List<Map<String, String>> nWiseCombinations = produceNWise(n, coVariables, variableDomains); for (Map<String, String> nWiseCombination : nWiseCombinations) { Map<String, String> newPossibleState = new HashMap<>(possibleState); newPossibleState.putAll(defaultVariableValues); newPossibleState.putAll(nWiseCombination); newPossibleStateList.add(newPossibleState); } } return newPossibleStateList; }
java
public List<Map<String, String>> pipelinePossibleStates(NWiseAction action, List<Map<String, String>> possibleStateList) { String[] coVariables = action.getCoVariables().split(","); int n = Integer.valueOf(action.getN()); List<Map<String, String>> newPossibleStateList = new ArrayList<>(); for (Map<String, String> possibleState : possibleStateList) { Map<String, String[]> variableDomains = new HashMap<>(); Map<String, String> defaultVariableValues = new HashMap<>(); for (String variable : coVariables) { String variableMetaInfo = possibleState.get(variable); String[] variableDomain = variableMetaInfo.split(","); variableDomains.put(variable, variableDomain); defaultVariableValues.put(variable, variableDomain[0]); } List<Map<String, String>> nWiseCombinations = produceNWise(n, coVariables, variableDomains); for (Map<String, String> nWiseCombination : nWiseCombinations) { Map<String, String> newPossibleState = new HashMap<>(possibleState); newPossibleState.putAll(defaultVariableValues); newPossibleState.putAll(nWiseCombination); newPossibleStateList.add(newPossibleState); } } return newPossibleStateList; }
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Uses current variable assignments and info in an NWiseActionTag to expand on an n wise combinatorial set @param action an NWiseAction Action @param possibleStateList a current list of possible states produced so far from expanding a model state @return every input possible state expanded on an n wise combinatorial set defined by that input possible state
[ "Uses", "current", "variable", "assignments", "and", "info", "in", "an", "NWiseActionTag", "to", "expand", "on", "an", "n", "wise", "combinatorial", "set" ]
1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/engine/scxml/tags/NWiseExtension.java#L137-L163
163,815
FINRAOS/DataGenerator
dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/transformer/SampleMachineTransformer.java
SampleMachineTransformer.transform
public void transform(DataPipe cr) { Map<String, String> map = cr.getDataMap(); for (String key : map.keySet()) { String value = map.get(key); if (value.equals("#{customplaceholder}")) { // Generate a random number int ran = rand.nextInt(); map.put(key, String.valueOf(ran)); } else if (value.equals("#{divideBy2}")) { String i = map.get("var_out_V3"); String result = String.valueOf(Integer.valueOf(i) / 2); map.put(key, result); } } }
java
public void transform(DataPipe cr) { Map<String, String> map = cr.getDataMap(); for (String key : map.keySet()) { String value = map.get(key); if (value.equals("#{customplaceholder}")) { // Generate a random number int ran = rand.nextInt(); map.put(key, String.valueOf(ran)); } else if (value.equals("#{divideBy2}")) { String i = map.get("var_out_V3"); String result = String.valueOf(Integer.valueOf(i) / 2); map.put(key, result); } } }
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Replace known tags in the current data values with actual values as appropriate @param cr a reference to DataPipe from which to read the current map
[ "Replace", "known", "tags", "in", "the", "current", "data", "values", "with", "actual", "values", "as", "appropriate" ]
1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/transformer/SampleMachineTransformer.java#L38-L54
163,816
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/distributor/multithreaded/QueueResultsProcessing.java
QueueResultsProcessing.processOutput
@Override public void processOutput(Map<String, String> resultsMap) { queue.add(resultsMap); if (queue.size() > 10000) { log.info("Queue size " + queue.size() + ", waiting"); try { Thread.sleep(500); } catch (InterruptedException ex) { log.info("Interrupted ", ex); } } }
java
@Override public void processOutput(Map<String, String> resultsMap) { queue.add(resultsMap); if (queue.size() > 10000) { log.info("Queue size " + queue.size() + ", waiting"); try { Thread.sleep(500); } catch (InterruptedException ex) { log.info("Interrupted ", ex); } } }
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Stores the output from a Frontier into the queue, pausing and waiting if the given queue is too large @param resultsMap map of String and String representing the output of a Frontier's DFS
[ "Stores", "the", "output", "from", "a", "Frontier", "into", "the", "queue", "pausing", "and", "waiting", "if", "the", "given", "queue", "is", "too", "large" ]
1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/distributor/multithreaded/QueueResultsProcessing.java#L49-L61
163,817
FINRAOS/DataGenerator
dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/consumer/ContextWriter.java
ContextWriter.writeOutput
public void writeOutput(DataPipe cr) { try { context.write(NullWritable.get(), new Text(cr.getPipeDelimited(outTemplate))); } catch (Exception e) { throw new RuntimeException("Exception occurred while writing to Context", e); } }
java
public void writeOutput(DataPipe cr) { try { context.write(NullWritable.get(), new Text(cr.getPipeDelimited(outTemplate))); } catch (Exception e) { throw new RuntimeException("Exception occurred while writing to Context", e); } }
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Write to a context. Uses NullWritable for key so that only value of output string is ultimately written @param cr the DataPipe to write to
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1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/consumer/ContextWriter.java#L49-L55
163,818
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/engine/scxml/SCXMLGapper.java
SCXMLGapper.decompose
public Map<String, String> decompose(Frontier frontier, String modelText) { if (!(frontier instanceof SCXMLFrontier)) { return null; } TransitionTarget target = ((SCXMLFrontier) frontier).getRoot().nextState; Map<String, String> variables = ((SCXMLFrontier) frontier).getRoot().variables; Map<String, String> decomposition = new HashMap<String, String>(); decomposition.put("target", target.getId()); StringBuilder packedVariables = new StringBuilder(); for (Map.Entry<String, String> variable : variables.entrySet()) { packedVariables.append(variable.getKey()); packedVariables.append("::"); packedVariables.append(variable.getValue()); packedVariables.append(";"); } decomposition.put("variables", packedVariables.toString()); decomposition.put("model", modelText); return decomposition; }
java
public Map<String, String> decompose(Frontier frontier, String modelText) { if (!(frontier instanceof SCXMLFrontier)) { return null; } TransitionTarget target = ((SCXMLFrontier) frontier).getRoot().nextState; Map<String, String> variables = ((SCXMLFrontier) frontier).getRoot().variables; Map<String, String> decomposition = new HashMap<String, String>(); decomposition.put("target", target.getId()); StringBuilder packedVariables = new StringBuilder(); for (Map.Entry<String, String> variable : variables.entrySet()) { packedVariables.append(variable.getKey()); packedVariables.append("::"); packedVariables.append(variable.getValue()); packedVariables.append(";"); } decomposition.put("variables", packedVariables.toString()); decomposition.put("model", modelText); return decomposition; }
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Takes a model and an SCXMLFrontier and decomposes the Frontier into a Map of Strings to Strings These strings can be sent over a network to get a Frontier past a 'gap' @param frontier the Frontier @param modelText the model @return the map of strings representing a decomposition
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1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/engine/scxml/SCXMLGapper.java#L75-L98
163,819
FINRAOS/DataGenerator
dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/CmdLine.java
CmdLine.printHelp
public static void printHelp(final Options options) { Collection<Option> c = options.getOptions(); System.out.println("Command line options are:"); int longestLongOption = 0; for (Option op : c) { if (op.getLongOpt().length() > longestLongOption) { longestLongOption = op.getLongOpt().length(); } } longestLongOption += 2; String spaces = StringUtils.repeat(" ", longestLongOption); for (Option op : c) { System.out.print("\t-" + op.getOpt() + " --" + op.getLongOpt()); if (op.getLongOpt().length() < spaces.length()) { System.out.print(spaces.substring(op.getLongOpt().length())); } else { System.out.print(" "); } System.out.println(op.getDescription()); } }
java
public static void printHelp(final Options options) { Collection<Option> c = options.getOptions(); System.out.println("Command line options are:"); int longestLongOption = 0; for (Option op : c) { if (op.getLongOpt().length() > longestLongOption) { longestLongOption = op.getLongOpt().length(); } } longestLongOption += 2; String spaces = StringUtils.repeat(" ", longestLongOption); for (Option op : c) { System.out.print("\t-" + op.getOpt() + " --" + op.getLongOpt()); if (op.getLongOpt().length() < spaces.length()) { System.out.print(spaces.substring(op.getLongOpt().length())); } else { System.out.print(" "); } System.out.println(op.getDescription()); } }
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Prints the help on the command line @param options Options object from commons-cli
[ "Prints", "the", "help", "on", "the", "command", "line" ]
1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/CmdLine.java#L62-L84
163,820
FINRAOS/DataGenerator
dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/CmdLine.java
CmdLine.main
public static void main(String[] args) { CmdLine cmd = new CmdLine(); Configuration conf = new Configuration(); int res = 0; try { res = ToolRunner.run(conf, cmd, args); } catch (Exception e) { System.err.println("Error while running MR job"); e.printStackTrace(); } System.exit(res); }
java
public static void main(String[] args) { CmdLine cmd = new CmdLine(); Configuration conf = new Configuration(); int res = 0; try { res = ToolRunner.run(conf, cmd, args); } catch (Exception e) { System.err.println("Error while running MR job"); e.printStackTrace(); } System.exit(res); }
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Entry point for this example Uses HDFS ToolRunner to wrap processing of @param args Command-line arguments for HDFS example
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1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/CmdLine.java#L184-L195
163,821
FINRAOS/DataGenerator
dg-common/src/main/java/org/finra/datagenerator/common/Helpers/ScalaInJavaHelper.java
ScalaInJavaHelper.linkedListToScalaIterable
public static scala.collection.Iterable linkedListToScalaIterable(LinkedList<?> linkedList) { return JavaConverters.asScalaIterableConverter(linkedList).asScala(); }
java
public static scala.collection.Iterable linkedListToScalaIterable(LinkedList<?> linkedList) { return JavaConverters.asScalaIterableConverter(linkedList).asScala(); }
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Convert a Java LinkedList to a Scala Iterable. @param linkedList Java LinkedList to convert @return Scala Iterable
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1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-common/src/main/java/org/finra/datagenerator/common/Helpers/ScalaInJavaHelper.java#L36-L38
163,822
FINRAOS/DataGenerator
dg-common/src/main/java/org/finra/datagenerator/common/Helpers/ScalaInJavaHelper.java
ScalaInJavaHelper.flattenOption
public static <T> T flattenOption(scala.Option<T> option) { if (option.isEmpty()) { return null; } else { return option.get(); } }
java
public static <T> T flattenOption(scala.Option<T> option) { if (option.isEmpty()) { return null; } else { return option.get(); } }
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Flattens an option into its value or else null, which is not great but is usually more convenient in Java. @param option Optional value -- either Some(T) or None @param <T> Any type @return The value inside the option, or else null
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1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-common/src/main/java/org/finra/datagenerator/common/Helpers/ScalaInJavaHelper.java#L46-L52
163,823
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/engine/scxml/tags/SingleValueAssignExtension.java
SingleValueAssignExtension.pipelinePossibleStates
public List<Map<String, String>> pipelinePossibleStates(Assign action, List<Map<String, String>> possibleStateList) { for (Map<String, String> possibleState : possibleStateList) { possibleState.put(action.getName(), action.getExpr()); } return possibleStateList; }
java
public List<Map<String, String>> pipelinePossibleStates(Assign action, List<Map<String, String>> possibleStateList) { for (Map<String, String> possibleState : possibleStateList) { possibleState.put(action.getName(), action.getExpr()); } return possibleStateList; }
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Assigns one variable to one value @param action an Assign Action @param possibleStateList a current list of possible states produced so far from expanding a model state @return the same list, with every possible state augmented with an assigned variable, defined by action
[ "Assigns", "one", "variable", "to", "one", "value" ]
1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/engine/scxml/tags/SingleValueAssignExtension.java#L49-L55
163,824
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/writer/JsonWriter.java
JsonWriter.getJsonFormatted
public JSONObject getJsonFormatted(Map<String, String> dataMap) { JSONObject oneRowJson = new JSONObject(); for (int i = 0; i < outTemplate.length; i++) { oneRowJson.put(outTemplate[i], dataMap.get(outTemplate[i])); } return oneRowJson; }
java
public JSONObject getJsonFormatted(Map<String, String> dataMap) { JSONObject oneRowJson = new JSONObject(); for (int i = 0; i < outTemplate.length; i++) { oneRowJson.put(outTemplate[i], dataMap.get(outTemplate[i])); } return oneRowJson; }
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Given an array of variable names, returns a JsonObject of values. @param dataMap an map containing variable names and their corresponding values names. @return a json object of values
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1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/writer/JsonWriter.java#L80-L89
163,825
FINRAOS/DataGenerator
dg-common/src/main/java/org/finra/datagenerator/common/SocialNetwork_Example_Java/SocialNetworkStructureBuilder.java
SocialNetworkStructureBuilder.generateAllNodeDataTypeGraphCombinationsOfMaxLength
public Vector<Graph<UserStub>> generateAllNodeDataTypeGraphCombinationsOfMaxLength(int length) { Vector<Graph<UserStub>> graphs = super.generateAllNodeDataTypeGraphCombinationsOfMaxLength(length); if (WRITE_STRUCTURES_IN_PARALLEL) { // Left as an exercise to the student. throw new NotImplementedError(); } else { int i = 0; for (Iterator<Graph<UserStub>> iter = graphs.toIterator(); iter.hasNext();) { Graph<UserStub> graph = iter.next(); graph.setGraphId("S_" + ++i + "_" + graph.allNodes().size()); graph.writeDotFile(outDir + graph.graphId() + ".gv", false, ALSO_WRITE_AS_PNG); } System.out.println("Wrote " + i + " graph files in DOT format to " + outDir + ""); } return graphs; }
java
public Vector<Graph<UserStub>> generateAllNodeDataTypeGraphCombinationsOfMaxLength(int length) { Vector<Graph<UserStub>> graphs = super.generateAllNodeDataTypeGraphCombinationsOfMaxLength(length); if (WRITE_STRUCTURES_IN_PARALLEL) { // Left as an exercise to the student. throw new NotImplementedError(); } else { int i = 0; for (Iterator<Graph<UserStub>> iter = graphs.toIterator(); iter.hasNext();) { Graph<UserStub> graph = iter.next(); graph.setGraphId("S_" + ++i + "_" + graph.allNodes().size()); graph.writeDotFile(outDir + graph.graphId() + ".gv", false, ALSO_WRITE_AS_PNG); } System.out.println("Wrote " + i + " graph files in DOT format to " + outDir + ""); } return graphs; }
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Build all combinations of graph structures for generic event stubs of a maximum length @param length Maximum number of nodes in each to generate @return All graph combinations of specified length or less
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1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-common/src/main/java/org/finra/datagenerator/common/SocialNetwork_Example_Java/SocialNetworkStructureBuilder.java#L66-L83
163,826
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/consumer/DataConsumer.java
DataConsumer.consume
public int consume(Map<String, String> initialVars) { this.dataPipe = new DataPipe(this); // Set initial variables for (Map.Entry<String, String> ent : initialVars.entrySet()) { dataPipe.getDataMap().put(ent.getKey(), ent.getValue()); } // Call transformers for (DataTransformer dc : dataTransformers) { dc.transform(dataPipe); } // Call writers for (DataWriter oneOw : dataWriters) { try { oneOw.writeOutput(dataPipe); } catch (Exception e) { //NOPMD log.error("Exception in DataWriter", e); } } return 1; }
java
public int consume(Map<String, String> initialVars) { this.dataPipe = new DataPipe(this); // Set initial variables for (Map.Entry<String, String> ent : initialVars.entrySet()) { dataPipe.getDataMap().put(ent.getKey(), ent.getValue()); } // Call transformers for (DataTransformer dc : dataTransformers) { dc.transform(dataPipe); } // Call writers for (DataWriter oneOw : dataWriters) { try { oneOw.writeOutput(dataPipe); } catch (Exception e) { //NOPMD log.error("Exception in DataWriter", e); } } return 1; }
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Consumes a produced result. Calls every transformer in sequence, then calls every dataWriter in sequence. @param initialVars a map containing the initial variables assignments @return the number of lines written
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1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/consumer/DataConsumer.java#L138-L161
163,827
FINRAOS/DataGenerator
dg-core/src/main/java/org/finra/datagenerator/consumer/DataConsumer.java
DataConsumer.sendRequest
public Future<String> sendRequest(final String path, final ReportingHandler reportingHandler) { return threadPool.submit(new Callable<String>() { @Override public String call() { String response = getResponse(path); if (reportingHandler != null) { reportingHandler.handleResponse(response); } return response; } }); }
java
public Future<String> sendRequest(final String path, final ReportingHandler reportingHandler) { return threadPool.submit(new Callable<String>() { @Override public String call() { String response = getResponse(path); if (reportingHandler != null) { reportingHandler.handleResponse(response); } return response; } }); }
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Creates a future that will send a request to the reporting host and call the handler with the response @param path the path at the reporting host which the request will be made @param reportingHandler the handler to receive the response once executed and recieved @return a {@link java.util.concurrent.Future} for handing the request
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1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-core/src/main/java/org/finra/datagenerator/consumer/DataConsumer.java#L211-L224
163,828
FINRAOS/DataGenerator
dg-example-default/src/main/java/org/finra/datagenerator/samples/transformer/SampleMachineTransformer.java
SampleMachineTransformer.transform
public void transform(DataPipe cr) { for (Map.Entry<String, String> entry : cr.getDataMap().entrySet()) { String value = entry.getValue(); if (value.equals("#{customplaceholder}")) { // Generate a random number int ran = rand.nextInt(); entry.setValue(String.valueOf(ran)); } } }
java
public void transform(DataPipe cr) { for (Map.Entry<String, String> entry : cr.getDataMap().entrySet()) { String value = entry.getValue(); if (value.equals("#{customplaceholder}")) { // Generate a random number int ran = rand.nextInt(); entry.setValue(String.valueOf(ran)); } } }
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The transform method for this DataTransformer @param cr a reference to DataPipe from which to read the current map
[ "The", "transform", "method", "for", "this", "DataTransformer" ]
1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-example-default/src/main/java/org/finra/datagenerator/samples/transformer/SampleMachineTransformer.java#L38-L48
163,829
FINRAOS/DataGenerator
dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/consumer/SampleMachineConsumer.java
SampleMachineConsumer.isExit
public boolean isExit() { if (currentRow > finalRow) { //request new block of work String newBlock = this.sendRequestSync("this/request/block"); LineCountManager.LineCountBlock block = new LineCountManager.LineCountBlock(0, 0); if (newBlock.contains("exit")) { getExitFlag().set(true); makeReport(true); return true; } else { block.buildFromResponse(newBlock); } currentRow = block.getStart(); finalRow = block.getStop(); } else { //report the number of lines written makeReport(false); if (exit.get()) { getExitFlag().set(true); return true; } } return false; }
java
public boolean isExit() { if (currentRow > finalRow) { //request new block of work String newBlock = this.sendRequestSync("this/request/block"); LineCountManager.LineCountBlock block = new LineCountManager.LineCountBlock(0, 0); if (newBlock.contains("exit")) { getExitFlag().set(true); makeReport(true); return true; } else { block.buildFromResponse(newBlock); } currentRow = block.getStart(); finalRow = block.getStop(); } else { //report the number of lines written makeReport(false); if (exit.get()) { getExitFlag().set(true); return true; } } return false; }
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Exit reporting up to distributor, using information gained from status reports to the LineCountManager @return a boolean of whether this consumer should immediately exit
[ "Exit", "reporting", "up", "to", "distributor", "using", "information", "gained", "from", "status", "reports", "to", "the", "LineCountManager" ]
1f69f949401cbed4db4f553c3eb8350832c4d45a
https://github.com/FINRAOS/DataGenerator/blob/1f69f949401cbed4db4f553c3eb8350832c4d45a/dg-example-hadoop/src/main/java/org/finra/datagenerator/samples/consumer/SampleMachineConsumer.java#L101-L126
163,830
AlmogBaku/IntlPhoneInput
intlphoneinput/src/main/java/net/rimoto/intlphoneinput/CountrySpinnerAdapter.java
CountrySpinnerAdapter.getDropDownView
@Override public View getDropDownView(int position, View convertView, ViewGroup parent) { final ViewHolder viewHolder; if (convertView == null) { convertView = mLayoutInflater.inflate(R.layout.item_country, parent, false); viewHolder = new ViewHolder(); viewHolder.mImageView = (ImageView) convertView.findViewById(R.id.intl_phone_edit__country__item_image); viewHolder.mNameView = (TextView) convertView.findViewById(R.id.intl_phone_edit__country__item_name); viewHolder.mDialCode = (TextView) convertView.findViewById(R.id.intl_phone_edit__country__item_dialcode); convertView.setTag(viewHolder); } else { viewHolder = (ViewHolder) convertView.getTag(); } Country country = getItem(position); viewHolder.mImageView.setImageResource(getFlagResource(country)); viewHolder.mNameView.setText(country.getName()); viewHolder.mDialCode.setText(String.format("+%s", country.getDialCode())); return convertView; }
java
@Override public View getDropDownView(int position, View convertView, ViewGroup parent) { final ViewHolder viewHolder; if (convertView == null) { convertView = mLayoutInflater.inflate(R.layout.item_country, parent, false); viewHolder = new ViewHolder(); viewHolder.mImageView = (ImageView) convertView.findViewById(R.id.intl_phone_edit__country__item_image); viewHolder.mNameView = (TextView) convertView.findViewById(R.id.intl_phone_edit__country__item_name); viewHolder.mDialCode = (TextView) convertView.findViewById(R.id.intl_phone_edit__country__item_dialcode); convertView.setTag(viewHolder); } else { viewHolder = (ViewHolder) convertView.getTag(); } Country country = getItem(position); viewHolder.mImageView.setImageResource(getFlagResource(country)); viewHolder.mNameView.setText(country.getName()); viewHolder.mDialCode.setText(String.format("+%s", country.getDialCode())); return convertView; }
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Drop down item view @param position position of item @param convertView View of item @param parent parent view of item's view @return covertView
[ "Drop", "down", "item", "view" ]
ac7313a2d1683feb4d535d5dbee6676b53879059
https://github.com/AlmogBaku/IntlPhoneInput/blob/ac7313a2d1683feb4d535d5dbee6676b53879059/intlphoneinput/src/main/java/net/rimoto/intlphoneinput/CountrySpinnerAdapter.java#L32-L51
163,831
AlmogBaku/IntlPhoneInput
intlphoneinput/src/main/java/net/rimoto/intlphoneinput/CountrySpinnerAdapter.java
CountrySpinnerAdapter.getView
@Override public View getView(int position, View convertView, ViewGroup parent) { Country country = getItem(position); if (convertView == null) { convertView = new ImageView(getContext()); } ((ImageView) convertView).setImageResource(getFlagResource(country)); return convertView; }
java
@Override public View getView(int position, View convertView, ViewGroup parent) { Country country = getItem(position); if (convertView == null) { convertView = new ImageView(getContext()); } ((ImageView) convertView).setImageResource(getFlagResource(country)); return convertView; }
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Drop down selected view @param position position of selected item @param convertView View of selected item @param parent parent of selected view @return convertView
[ "Drop", "down", "selected", "view" ]
ac7313a2d1683feb4d535d5dbee6676b53879059
https://github.com/AlmogBaku/IntlPhoneInput/blob/ac7313a2d1683feb4d535d5dbee6676b53879059/intlphoneinput/src/main/java/net/rimoto/intlphoneinput/CountrySpinnerAdapter.java#L61-L72
163,832
AlmogBaku/IntlPhoneInput
intlphoneinput/src/main/java/net/rimoto/intlphoneinput/CountrySpinnerAdapter.java
CountrySpinnerAdapter.getFlagResource
private int getFlagResource(Country country) { return getContext().getResources().getIdentifier("country_" + country.getIso().toLowerCase(), "drawable", getContext().getPackageName()); }
java
private int getFlagResource(Country country) { return getContext().getResources().getIdentifier("country_" + country.getIso().toLowerCase(), "drawable", getContext().getPackageName()); }
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Fetch flag resource by Country @param country Country @return int of resource | 0 value if not exists
[ "Fetch", "flag", "resource", "by", "Country" ]
ac7313a2d1683feb4d535d5dbee6676b53879059
https://github.com/AlmogBaku/IntlPhoneInput/blob/ac7313a2d1683feb4d535d5dbee6676b53879059/intlphoneinput/src/main/java/net/rimoto/intlphoneinput/CountrySpinnerAdapter.java#L80-L82
163,833
AlmogBaku/IntlPhoneInput
intlphoneinput/src/main/java/net/rimoto/intlphoneinput/CountriesFetcher.java
CountriesFetcher.getJsonFromRaw
private static String getJsonFromRaw(Context context, int resource) { String json; try { InputStream inputStream = context.getResources().openRawResource(resource); int size = inputStream.available(); byte[] buffer = new byte[size]; inputStream.read(buffer); inputStream.close(); json = new String(buffer, "UTF-8"); } catch (IOException ex) { ex.printStackTrace(); return null; } return json; }
java
private static String getJsonFromRaw(Context context, int resource) { String json; try { InputStream inputStream = context.getResources().openRawResource(resource); int size = inputStream.available(); byte[] buffer = new byte[size]; inputStream.read(buffer); inputStream.close(); json = new String(buffer, "UTF-8"); } catch (IOException ex) { ex.printStackTrace(); return null; } return json; }
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Fetch JSON from RAW resource @param context Context @param resource Resource int of the RAW file @return JSON
[ "Fetch", "JSON", "from", "RAW", "resource" ]
ac7313a2d1683feb4d535d5dbee6676b53879059
https://github.com/AlmogBaku/IntlPhoneInput/blob/ac7313a2d1683feb4d535d5dbee6676b53879059/intlphoneinput/src/main/java/net/rimoto/intlphoneinput/CountriesFetcher.java#L24-L38
163,834
AlmogBaku/IntlPhoneInput
intlphoneinput/src/main/java/net/rimoto/intlphoneinput/CountriesFetcher.java
CountriesFetcher.getCountries
public static CountryList getCountries(Context context) { if (mCountries != null) { return mCountries; } mCountries = new CountryList(); try { JSONArray countries = new JSONArray(getJsonFromRaw(context, R.raw.countries)); for (int i = 0; i < countries.length(); i++) { try { JSONObject country = (JSONObject) countries.get(i); mCountries.add(new Country(country.getString("name"), country.getString("iso2"), country.getInt("dialCode"))); } catch (JSONException e) { e.printStackTrace(); } } } catch (JSONException e) { e.printStackTrace(); } return mCountries; }
java
public static CountryList getCountries(Context context) { if (mCountries != null) { return mCountries; } mCountries = new CountryList(); try { JSONArray countries = new JSONArray(getJsonFromRaw(context, R.raw.countries)); for (int i = 0; i < countries.length(); i++) { try { JSONObject country = (JSONObject) countries.get(i); mCountries.add(new Country(country.getString("name"), country.getString("iso2"), country.getInt("dialCode"))); } catch (JSONException e) { e.printStackTrace(); } } } catch (JSONException e) { e.printStackTrace(); } return mCountries; }
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Import CountryList from RAW resource @param context Context @return CountryList
[ "Import", "CountryList", "from", "RAW", "resource" ]
ac7313a2d1683feb4d535d5dbee6676b53879059
https://github.com/AlmogBaku/IntlPhoneInput/blob/ac7313a2d1683feb4d535d5dbee6676b53879059/intlphoneinput/src/main/java/net/rimoto/intlphoneinput/CountriesFetcher.java#L46-L65
163,835
AlmogBaku/IntlPhoneInput
intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java
IntlPhoneInput.init
private void init(AttributeSet attrs) { inflate(getContext(), R.layout.intl_phone_input, this); /**+ * Country spinner */ mCountrySpinner = (Spinner) findViewById(R.id.intl_phone_edit__country); mCountrySpinnerAdapter = new CountrySpinnerAdapter(getContext()); mCountrySpinner.setAdapter(mCountrySpinnerAdapter); mCountries = CountriesFetcher.getCountries(getContext()); mCountrySpinnerAdapter.addAll(mCountries); mCountrySpinner.setOnItemSelectedListener(mCountrySpinnerListener); setFlagDefaults(attrs); /** * Phone text field */ mPhoneEdit = (EditText) findViewById(R.id.intl_phone_edit__phone); mPhoneEdit.addTextChangedListener(mPhoneNumberWatcher); setDefault(); setEditTextDefaults(attrs); }
java
private void init(AttributeSet attrs) { inflate(getContext(), R.layout.intl_phone_input, this); /**+ * Country spinner */ mCountrySpinner = (Spinner) findViewById(R.id.intl_phone_edit__country); mCountrySpinnerAdapter = new CountrySpinnerAdapter(getContext()); mCountrySpinner.setAdapter(mCountrySpinnerAdapter); mCountries = CountriesFetcher.getCountries(getContext()); mCountrySpinnerAdapter.addAll(mCountries); mCountrySpinner.setOnItemSelectedListener(mCountrySpinnerListener); setFlagDefaults(attrs); /** * Phone text field */ mPhoneEdit = (EditText) findViewById(R.id.intl_phone_edit__phone); mPhoneEdit.addTextChangedListener(mPhoneNumberWatcher); setDefault(); setEditTextDefaults(attrs); }
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Init after constructor
[ "Init", "after", "constructor" ]
ac7313a2d1683feb4d535d5dbee6676b53879059
https://github.com/AlmogBaku/IntlPhoneInput/blob/ac7313a2d1683feb4d535d5dbee6676b53879059/intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java#L71-L95
163,836
AlmogBaku/IntlPhoneInput
intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java
IntlPhoneInput.hideKeyboard
public void hideKeyboard() { InputMethodManager inputMethodManager = (InputMethodManager) getContext().getApplicationContext().getSystemService(Context.INPUT_METHOD_SERVICE); inputMethodManager.hideSoftInputFromWindow(mPhoneEdit.getWindowToken(), 0); }
java
public void hideKeyboard() { InputMethodManager inputMethodManager = (InputMethodManager) getContext().getApplicationContext().getSystemService(Context.INPUT_METHOD_SERVICE); inputMethodManager.hideSoftInputFromWindow(mPhoneEdit.getWindowToken(), 0); }
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Hide keyboard from phoneEdit field
[ "Hide", "keyboard", "from", "phoneEdit", "field" ]
ac7313a2d1683feb4d535d5dbee6676b53879059
https://github.com/AlmogBaku/IntlPhoneInput/blob/ac7313a2d1683feb4d535d5dbee6676b53879059/intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java#L131-L134
163,837
AlmogBaku/IntlPhoneInput
intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java
IntlPhoneInput.setDefault
public void setDefault() { try { TelephonyManager telephonyManager = (TelephonyManager) getContext().getSystemService(Context.TELEPHONY_SERVICE); String phone = telephonyManager.getLine1Number(); if (phone != null && !phone.isEmpty()) { this.setNumber(phone); } else { String iso = telephonyManager.getNetworkCountryIso(); setEmptyDefault(iso); } } catch (SecurityException e) { setEmptyDefault(); } }
java
public void setDefault() { try { TelephonyManager telephonyManager = (TelephonyManager) getContext().getSystemService(Context.TELEPHONY_SERVICE); String phone = telephonyManager.getLine1Number(); if (phone != null && !phone.isEmpty()) { this.setNumber(phone); } else { String iso = telephonyManager.getNetworkCountryIso(); setEmptyDefault(iso); } } catch (SecurityException e) { setEmptyDefault(); } }
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Set default value Will try to retrieve phone number from device
[ "Set", "default", "value", "Will", "try", "to", "retrieve", "phone", "number", "from", "device" ]
ac7313a2d1683feb4d535d5dbee6676b53879059
https://github.com/AlmogBaku/IntlPhoneInput/blob/ac7313a2d1683feb4d535d5dbee6676b53879059/intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java#L140-L153
163,838
AlmogBaku/IntlPhoneInput
intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java
IntlPhoneInput.setEmptyDefault
public void setEmptyDefault(String iso) { if (iso == null || iso.isEmpty()) { iso = DEFAULT_COUNTRY; } int defaultIdx = mCountries.indexOfIso(iso); mSelectedCountry = mCountries.get(defaultIdx); mCountrySpinner.setSelection(defaultIdx); }
java
public void setEmptyDefault(String iso) { if (iso == null || iso.isEmpty()) { iso = DEFAULT_COUNTRY; } int defaultIdx = mCountries.indexOfIso(iso); mSelectedCountry = mCountries.get(defaultIdx); mCountrySpinner.setSelection(defaultIdx); }
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Set default value with @param iso ISO2 of country
[ "Set", "default", "value", "with" ]
ac7313a2d1683feb4d535d5dbee6676b53879059
https://github.com/AlmogBaku/IntlPhoneInput/blob/ac7313a2d1683feb4d535d5dbee6676b53879059/intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java#L160-L167
163,839
AlmogBaku/IntlPhoneInput
intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java
IntlPhoneInput.setHint
private void setHint() { if (mPhoneEdit != null && mSelectedCountry != null && mSelectedCountry.getIso() != null) { Phonenumber.PhoneNumber phoneNumber = mPhoneUtil.getExampleNumberForType(mSelectedCountry.getIso(), PhoneNumberUtil.PhoneNumberType.MOBILE); if (phoneNumber != null) { mPhoneEdit.setHint(mPhoneUtil.format(phoneNumber, PhoneNumberUtil.PhoneNumberFormat.NATIONAL)); } } }
java
private void setHint() { if (mPhoneEdit != null && mSelectedCountry != null && mSelectedCountry.getIso() != null) { Phonenumber.PhoneNumber phoneNumber = mPhoneUtil.getExampleNumberForType(mSelectedCountry.getIso(), PhoneNumberUtil.PhoneNumberType.MOBILE); if (phoneNumber != null) { mPhoneEdit.setHint(mPhoneUtil.format(phoneNumber, PhoneNumberUtil.PhoneNumberFormat.NATIONAL)); } } }
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Set hint number for country
[ "Set", "hint", "number", "for", "country" ]
ac7313a2d1683feb4d535d5dbee6676b53879059
https://github.com/AlmogBaku/IntlPhoneInput/blob/ac7313a2d1683feb4d535d5dbee6676b53879059/intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java#L179-L186
163,840
AlmogBaku/IntlPhoneInput
intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java
IntlPhoneInput.getPhoneNumber
@SuppressWarnings("unused") public Phonenumber.PhoneNumber getPhoneNumber() { try { String iso = null; if (mSelectedCountry != null) { iso = mSelectedCountry.getIso(); } return mPhoneUtil.parse(mPhoneEdit.getText().toString(), iso); } catch (NumberParseException ignored) { return null; } }
java
@SuppressWarnings("unused") public Phonenumber.PhoneNumber getPhoneNumber() { try { String iso = null; if (mSelectedCountry != null) { iso = mSelectedCountry.getIso(); } return mPhoneUtil.parse(mPhoneEdit.getText().toString(), iso); } catch (NumberParseException ignored) { return null; } }
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Get PhoneNumber object @return PhonenUmber | null on error
[ "Get", "PhoneNumber", "object" ]
ac7313a2d1683feb4d535d5dbee6676b53879059
https://github.com/AlmogBaku/IntlPhoneInput/blob/ac7313a2d1683feb4d535d5dbee6676b53879059/intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java#L302-L313
163,841
AlmogBaku/IntlPhoneInput
intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java
IntlPhoneInput.isValid
@SuppressWarnings("unused") public boolean isValid() { Phonenumber.PhoneNumber phoneNumber = getPhoneNumber(); return phoneNumber != null && mPhoneUtil.isValidNumber(phoneNumber); }
java
@SuppressWarnings("unused") public boolean isValid() { Phonenumber.PhoneNumber phoneNumber = getPhoneNumber(); return phoneNumber != null && mPhoneUtil.isValidNumber(phoneNumber); }
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Check if number is valid @return boolean
[ "Check", "if", "number", "is", "valid" ]
ac7313a2d1683feb4d535d5dbee6676b53879059
https://github.com/AlmogBaku/IntlPhoneInput/blob/ac7313a2d1683feb4d535d5dbee6676b53879059/intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java#L330-L334
163,842
AlmogBaku/IntlPhoneInput
intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java
IntlPhoneInput.setError
@SuppressWarnings("unused") public void setError(CharSequence error, Drawable icon) { mPhoneEdit.setError(error, icon); }
java
@SuppressWarnings("unused") public void setError(CharSequence error, Drawable icon) { mPhoneEdit.setError(error, icon); }
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Sets an error message that will be displayed in a popup when the EditText has focus along with an icon displayed at the right-hand side. @param error error message to show
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ac7313a2d1683feb4d535d5dbee6676b53879059
https://github.com/AlmogBaku/IntlPhoneInput/blob/ac7313a2d1683feb4d535d5dbee6676b53879059/intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java#L373-L376
163,843
AlmogBaku/IntlPhoneInput
intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java
IntlPhoneInput.setOnKeyboardDone
public void setOnKeyboardDone(final IntlPhoneInputListener listener) { mPhoneEdit.setOnEditorActionListener(new TextView.OnEditorActionListener() { @Override public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { if (actionId == EditorInfo.IME_ACTION_DONE) { listener.done(IntlPhoneInput.this, isValid()); } return false; } }); }
java
public void setOnKeyboardDone(final IntlPhoneInputListener listener) { mPhoneEdit.setOnEditorActionListener(new TextView.OnEditorActionListener() { @Override public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { if (actionId == EditorInfo.IME_ACTION_DONE) { listener.done(IntlPhoneInput.this, isValid()); } return false; } }); }
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Set keyboard done listener to detect when the user click "DONE" on his keyboard @param listener IntlPhoneInputListener
[ "Set", "keyboard", "done", "listener", "to", "detect", "when", "the", "user", "click", "DONE", "on", "his", "keyboard" ]
ac7313a2d1683feb4d535d5dbee6676b53879059
https://github.com/AlmogBaku/IntlPhoneInput/blob/ac7313a2d1683feb4d535d5dbee6676b53879059/intlphoneinput/src/main/java/net/rimoto/intlphoneinput/IntlPhoneInput.java#L397-L407
163,844
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java
ConnectionManager.allocateClient
private synchronized Client allocateClient(int targetPlayer, String description) throws IOException { Client result = openClients.get(targetPlayer); if (result == null) { // We need to open a new connection. final DeviceAnnouncement deviceAnnouncement = DeviceFinder.getInstance().getLatestAnnouncementFrom(targetPlayer); if (deviceAnnouncement == null) { throw new IllegalStateException("Player " + targetPlayer + " could not be found " + description); } final int dbServerPort = getPlayerDBServerPort(targetPlayer); if (dbServerPort < 0) { throw new IllegalStateException("Player " + targetPlayer + " does not have a db server " + description); } final byte posingAsPlayerNumber = (byte) chooseAskingPlayerNumber(targetPlayer); Socket socket = null; try { InetSocketAddress address = new InetSocketAddress(deviceAnnouncement.getAddress(), dbServerPort); socket = new Socket(); socket.connect(address, socketTimeout.get()); socket.setSoTimeout(socketTimeout.get()); result = new Client(socket, targetPlayer, posingAsPlayerNumber); } catch (IOException e) { try { socket.close(); } catch (IOException e2) { logger.error("Problem closing socket for failed client creation attempt " + description); } throw e; } openClients.put(targetPlayer, result); useCounts.put(result, 0); } useCounts.put(result, useCounts.get(result) + 1); return result; }
java
private synchronized Client allocateClient(int targetPlayer, String description) throws IOException { Client result = openClients.get(targetPlayer); if (result == null) { // We need to open a new connection. final DeviceAnnouncement deviceAnnouncement = DeviceFinder.getInstance().getLatestAnnouncementFrom(targetPlayer); if (deviceAnnouncement == null) { throw new IllegalStateException("Player " + targetPlayer + " could not be found " + description); } final int dbServerPort = getPlayerDBServerPort(targetPlayer); if (dbServerPort < 0) { throw new IllegalStateException("Player " + targetPlayer + " does not have a db server " + description); } final byte posingAsPlayerNumber = (byte) chooseAskingPlayerNumber(targetPlayer); Socket socket = null; try { InetSocketAddress address = new InetSocketAddress(deviceAnnouncement.getAddress(), dbServerPort); socket = new Socket(); socket.connect(address, socketTimeout.get()); socket.setSoTimeout(socketTimeout.get()); result = new Client(socket, targetPlayer, posingAsPlayerNumber); } catch (IOException e) { try { socket.close(); } catch (IOException e2) { logger.error("Problem closing socket for failed client creation attempt " + description); } throw e; } openClients.put(targetPlayer, result); useCounts.put(result, 0); } useCounts.put(result, useCounts.get(result) + 1); return result; }
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Finds or opens a client to talk to the dbserver on the specified player, incrementing its use count. @param targetPlayer the player number whose database needs to be interacted with @param description a short description of the task being performed for error reporting if it fails, should be a verb phrase like "requesting track metadata" @return the communication client for talking to that player, or {@code null} if the player could not be found @throws IllegalStateException if we can't find the target player or there is no suitable player number for us to pretend to be @throws IOException if there is a problem communicating
[ "Finds", "or", "opens", "a", "client", "to", "talk", "to", "the", "dbserver", "on", "the", "specified", "player", "incrementing", "its", "use", "count", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java#L103-L138
163,845
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java
ConnectionManager.closeClient
private void closeClient(Client client) { logger.debug("Closing client {}", client); client.close(); openClients.remove(client.targetPlayer); useCounts.remove(client); timestamps.remove(client); }
java
private void closeClient(Client client) { logger.debug("Closing client {}", client); client.close(); openClients.remove(client.targetPlayer); useCounts.remove(client); timestamps.remove(client); }
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When it is time to actually close a client, do so, and clean up the related data structures. @param client the client which has been idle for long enough to be closed
[ "When", "it", "is", "time", "to", "actually", "close", "a", "client", "do", "so", "and", "clean", "up", "the", "related", "data", "structures", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java#L145-L151
163,846
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java
ConnectionManager.freeClient
private synchronized void freeClient(Client client) { int current = useCounts.get(client); if (current > 0) { timestamps.put(client, System.currentTimeMillis()); // Mark that it was used until now. useCounts.put(client, current - 1); if ((current == 1) && (idleLimit.get() == 0)) { closeClient(client); // This was the last use, and we are supposed to immediately close idle clients. } } else { logger.error("Ignoring attempt to free a client that is not allocated: {}", client); } }
java
private synchronized void freeClient(Client client) { int current = useCounts.get(client); if (current > 0) { timestamps.put(client, System.currentTimeMillis()); // Mark that it was used until now. useCounts.put(client, current - 1); if ((current == 1) && (idleLimit.get() == 0)) { closeClient(client); // This was the last use, and we are supposed to immediately close idle clients. } } else { logger.error("Ignoring attempt to free a client that is not allocated: {}", client); } }
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Decrements the client's use count, and makes it eligible for closing if it is no longer in use. @param client the dbserver connection client which is no longer being used for a task
[ "Decrements", "the", "client", "s", "use", "count", "and", "makes", "it", "eligible", "for", "closing", "if", "it", "is", "no", "longer", "in", "use", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java#L158-L169
163,847
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java
ConnectionManager.invokeWithClientSession
public <T> T invokeWithClientSession(int targetPlayer, ClientTask<T> task, String description) throws Exception { if (!isRunning()) { throw new IllegalStateException("ConnectionManager is not running, aborting " + description); } final Client client = allocateClient(targetPlayer, description); try { return task.useClient(client); } finally { freeClient(client); } }
java
public <T> T invokeWithClientSession(int targetPlayer, ClientTask<T> task, String description) throws Exception { if (!isRunning()) { throw new IllegalStateException("ConnectionManager is not running, aborting " + description); } final Client client = allocateClient(targetPlayer, description); try { return task.useClient(client); } finally { freeClient(client); } }
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Obtain a dbserver client session that can be used to perform some task, call that task with the client, then release the client. @param targetPlayer the player number whose dbserver we wish to communicate with @param task the activity that will be performed with exclusive access to a dbserver connection @param description a short description of the task being performed for error reporting if it fails, should be a verb phrase like "requesting track metadata" @param <T> the type that will be returned by the task to be performed @return the value returned by the completed task @throws IOException if there is a problem communicating @throws Exception from the underlying {@code task}, if any
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java#L186-L198
163,848
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java
ConnectionManager.getPlayerDBServerPort
@SuppressWarnings("WeakerAccess") public int getPlayerDBServerPort(int player) { ensureRunning(); Integer result = dbServerPorts.get(player); if (result == null) { return -1; } return result; }
java
@SuppressWarnings("WeakerAccess") public int getPlayerDBServerPort(int player) { ensureRunning(); Integer result = dbServerPorts.get(player); if (result == null) { return -1; } return result; }
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Look up the database server port reported by a given player. You should not use this port directly; instead ask this class for a session to use while you communicate with the database. @param player the player number of interest @return the port number on which its database server is running, or -1 if unknown @throws IllegalStateException if not running
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java#L215-L223
163,849
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java
ConnectionManager.requestPlayerDBServerPort
private void requestPlayerDBServerPort(DeviceAnnouncement announcement) { Socket socket = null; try { InetSocketAddress address = new InetSocketAddress(announcement.getAddress(), DB_SERVER_QUERY_PORT); socket = new Socket(); socket.connect(address, socketTimeout.get()); InputStream is = socket.getInputStream(); OutputStream os = socket.getOutputStream(); socket.setSoTimeout(socketTimeout.get()); os.write(DB_SERVER_QUERY_PACKET); byte[] response = readResponseWithExpectedSize(is, 2, "database server port query packet"); if (response.length == 2) { setPlayerDBServerPort(announcement.getNumber(), (int)Util.bytesToNumber(response, 0, 2)); } } catch (java.net.ConnectException ce) { logger.info("Player " + announcement.getNumber() + " doesn't answer rekordbox port queries, connection refused. Won't attempt to request metadata."); } catch (Exception e) { logger.warn("Problem requesting database server port number", e); } finally { if (socket != null) { try { socket.close(); } catch (IOException e) { logger.warn("Problem closing database server port request socket", e); } } } }
java
private void requestPlayerDBServerPort(DeviceAnnouncement announcement) { Socket socket = null; try { InetSocketAddress address = new InetSocketAddress(announcement.getAddress(), DB_SERVER_QUERY_PORT); socket = new Socket(); socket.connect(address, socketTimeout.get()); InputStream is = socket.getInputStream(); OutputStream os = socket.getOutputStream(); socket.setSoTimeout(socketTimeout.get()); os.write(DB_SERVER_QUERY_PACKET); byte[] response = readResponseWithExpectedSize(is, 2, "database server port query packet"); if (response.length == 2) { setPlayerDBServerPort(announcement.getNumber(), (int)Util.bytesToNumber(response, 0, 2)); } } catch (java.net.ConnectException ce) { logger.info("Player " + announcement.getNumber() + " doesn't answer rekordbox port queries, connection refused. Won't attempt to request metadata."); } catch (Exception e) { logger.warn("Problem requesting database server port number", e); } finally { if (socket != null) { try { socket.close(); } catch (IOException e) { logger.warn("Problem closing database server port request socket", e); } } } }
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Query a player to determine the port on which its database server is running. @param announcement the device announcement with which we detected a new player on the network.
[ "Query", "a", "player", "to", "determine", "the", "port", "on", "which", "its", "database", "server", "is", "running", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java#L274-L302
163,850
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java
ConnectionManager.receiveBytes
private byte[] receiveBytes(InputStream is) throws IOException { byte[] buffer = new byte[8192]; int len = (is.read(buffer)); if (len < 1) { throw new IOException("receiveBytes read " + len + " bytes."); } return Arrays.copyOf(buffer, len); }
java
private byte[] receiveBytes(InputStream is) throws IOException { byte[] buffer = new byte[8192]; int len = (is.read(buffer)); if (len < 1) { throw new IOException("receiveBytes read " + len + " bytes."); } return Arrays.copyOf(buffer, len); }
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Receive some bytes from the player we are requesting metadata from. @param is the input stream associated with the player metadata socket. @return the bytes read. @throws IOException if there is a problem reading the response
[ "Receive", "some", "bytes", "from", "the", "player", "we", "are", "requesting", "metadata", "from", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java#L343-L350
163,851
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java
ConnectionManager.readResponseWithExpectedSize
@SuppressWarnings("SameParameterValue") private byte[] readResponseWithExpectedSize(InputStream is, int size, String description) throws IOException { byte[] result = receiveBytes(is); if (result.length != size) { logger.warn("Expected " + size + " bytes while reading " + description + " response, received " + result.length); } return result; }
java
@SuppressWarnings("SameParameterValue") private byte[] readResponseWithExpectedSize(InputStream is, int size, String description) throws IOException { byte[] result = receiveBytes(is); if (result.length != size) { logger.warn("Expected " + size + " bytes while reading " + description + " response, received " + result.length); } return result; }
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Receive an expected number of bytes from the player, logging a warning if we get a different number of them. @param is the input stream associated with the player metadata socket. @param size the number of bytes we expect to receive. @param description the type of response being processed, for use in the warning message. @return the bytes read. @throws IOException if there is a problem reading the response.
[ "Receive", "an", "expected", "number", "of", "bytes", "from", "the", "player", "logging", "a", "warning", "if", "we", "get", "a", "different", "number", "of", "them", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java#L362-L369
163,852
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java
ConnectionManager.closeIdleClients
private synchronized void closeIdleClients() { List<Client> candidates = new LinkedList<Client>(openClients.values()); logger.debug("Scanning for idle clients; " + candidates.size() + " candidates."); for (Client client : candidates) { if ((useCounts.get(client) < 1) && ((timestamps.get(client) + idleLimit.get() * 1000) <= System.currentTimeMillis())) { logger.debug("Idle time reached for unused client {}", client); closeClient(client); } } }
java
private synchronized void closeIdleClients() { List<Client> candidates = new LinkedList<Client>(openClients.values()); logger.debug("Scanning for idle clients; " + candidates.size() + " candidates."); for (Client client : candidates) { if ((useCounts.get(client) < 1) && ((timestamps.get(client) + idleLimit.get() * 1000) <= System.currentTimeMillis())) { logger.debug("Idle time reached for unused client {}", client); closeClient(client); } } }
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Finds any clients which are not currently in use, and which have been idle for longer than the idle timeout, and closes them.
[ "Finds", "any", "clients", "which", "are", "not", "currently", "in", "use", "and", "which", "have", "been", "idle", "for", "longer", "than", "the", "idle", "timeout", "and", "closes", "them", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java#L440-L450
163,853
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java
ConnectionManager.start
public synchronized void start() throws SocketException { if (!isRunning()) { DeviceFinder.getInstance().addLifecycleListener(lifecycleListener); DeviceFinder.getInstance().addDeviceAnnouncementListener(announcementListener); DeviceFinder.getInstance().start(); for (DeviceAnnouncement device: DeviceFinder.getInstance().getCurrentDevices()) { requestPlayerDBServerPort(device); } new Thread(null, new Runnable() { @Override public void run() { while (isRunning()) { try { Thread.sleep(500); } catch (InterruptedException e) { logger.warn("Interrupted sleeping to close idle dbserver clients"); } closeIdleClients(); } logger.info("Idle dbserver client closer shutting down."); } }, "Idle dbserver client closer").start(); running.set(true); deliverLifecycleAnnouncement(logger, true); } }
java
public synchronized void start() throws SocketException { if (!isRunning()) { DeviceFinder.getInstance().addLifecycleListener(lifecycleListener); DeviceFinder.getInstance().addDeviceAnnouncementListener(announcementListener); DeviceFinder.getInstance().start(); for (DeviceAnnouncement device: DeviceFinder.getInstance().getCurrentDevices()) { requestPlayerDBServerPort(device); } new Thread(null, new Runnable() { @Override public void run() { while (isRunning()) { try { Thread.sleep(500); } catch (InterruptedException e) { logger.warn("Interrupted sleeping to close idle dbserver clients"); } closeIdleClients(); } logger.info("Idle dbserver client closer shutting down."); } }, "Idle dbserver client closer").start(); running.set(true); deliverLifecycleAnnouncement(logger, true); } }
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Start offering shared dbserver sessions. @throws SocketException if there is a problem opening connections
[ "Start", "offering", "shared", "dbserver", "sessions", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java#L457-L484
163,854
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java
ConnectionManager.stop
public synchronized void stop() { if (isRunning()) { running.set(false); DeviceFinder.getInstance().removeDeviceAnnouncementListener(announcementListener); dbServerPorts.clear(); for (Client client : openClients.values()) { try { client.close(); } catch (Exception e) { logger.warn("Problem closing " + client + " when stopping", e); } } openClients.clear(); useCounts.clear(); deliverLifecycleAnnouncement(logger, false); } }
java
public synchronized void stop() { if (isRunning()) { running.set(false); DeviceFinder.getInstance().removeDeviceAnnouncementListener(announcementListener); dbServerPorts.clear(); for (Client client : openClients.values()) { try { client.close(); } catch (Exception e) { logger.warn("Problem closing " + client + " when stopping", e); } } openClients.clear(); useCounts.clear(); deliverLifecycleAnnouncement(logger, false); } }
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Stop offering shared dbserver sessions.
[ "Stop", "offering", "shared", "dbserver", "sessions", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/dbserver/ConnectionManager.java#L489-L505
163,855
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/TrackMetadata.java
TrackMetadata.buildSearchableItem
private SearchableItem buildSearchableItem(Message menuItem) { return new SearchableItem((int) ((NumberField) menuItem.arguments.get(1)).getValue(), ((StringField) menuItem.arguments.get(3)).getValue()); }
java
private SearchableItem buildSearchableItem(Message menuItem) { return new SearchableItem((int) ((NumberField) menuItem.arguments.get(1)).getValue(), ((StringField) menuItem.arguments.get(3)).getValue()); }
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Creates a searchable item that represents a metadata field found for a track. @param menuItem the rendered menu item containing the searchable metadata field @return the searchable metadata field
[ "Creates", "a", "searchable", "item", "that", "represents", "a", "metadata", "field", "found", "for", "a", "track", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/TrackMetadata.java#L156-L159
163,856
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/TrackMetadata.java
TrackMetadata.buildColorItem
private ColorItem buildColorItem(Message menuItem) { final int colorId = (int) ((NumberField) menuItem.arguments.get(1)).getValue(); final String label = ((StringField) menuItem.arguments.get(3)).getValue(); return buildColorItem(colorId, label); }
java
private ColorItem buildColorItem(Message menuItem) { final int colorId = (int) ((NumberField) menuItem.arguments.get(1)).getValue(); final String label = ((StringField) menuItem.arguments.get(3)).getValue(); return buildColorItem(colorId, label); }
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Creates a color item that represents a color field found for a track based on a dbserver message. @param menuItem the rendered menu item containing the color metadata field @return the color metadata field
[ "Creates", "a", "color", "item", "that", "represents", "a", "color", "field", "found", "for", "a", "track", "based", "on", "a", "dbserver", "message", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/TrackMetadata.java#L168-L172
163,857
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/TrackMetadata.java
TrackMetadata.buildColorItem
private ColorItem buildColorItem(int colorId, String label) { Color color; String colorName; switch (colorId) { case 0: color = new Color(0, 0, 0, 0); colorName = "No Color"; break; case 1: color = Color.PINK; colorName = "Pink"; break; case 2: color = Color.RED; colorName = "Red"; break; case 3: color = Color.ORANGE; colorName = "Orange"; break; case 4: color = Color.YELLOW; colorName = "Yellow"; break; case 5: color = Color.GREEN; colorName = "Green"; break; case 6: color = Color.CYAN; colorName = "Aqua"; break; case 7: color = Color.BLUE; colorName = "Blue"; break; case 8: color = new Color(128, 0, 128); colorName = "Purple"; break; default: color = new Color(0, 0, 0, 0); colorName = "Unknown Color"; } return new ColorItem(colorId, label, color, colorName); }
java
private ColorItem buildColorItem(int colorId, String label) { Color color; String colorName; switch (colorId) { case 0: color = new Color(0, 0, 0, 0); colorName = "No Color"; break; case 1: color = Color.PINK; colorName = "Pink"; break; case 2: color = Color.RED; colorName = "Red"; break; case 3: color = Color.ORANGE; colorName = "Orange"; break; case 4: color = Color.YELLOW; colorName = "Yellow"; break; case 5: color = Color.GREEN; colorName = "Green"; break; case 6: color = Color.CYAN; colorName = "Aqua"; break; case 7: color = Color.BLUE; colorName = "Blue"; break; case 8: color = new Color(128, 0, 128); colorName = "Purple"; break; default: color = new Color(0, 0, 0, 0); colorName = "Unknown Color"; } return new ColorItem(colorId, label, color, colorName); }
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Creates a color item that represents a color field fond for a track. @param colorId the key of the color as found in the database @param label the corresponding color label as found in the database (or sent in the dbserver message) @return the color metadata field
[ "Creates", "a", "color", "item", "that", "represents", "a", "color", "field", "fond", "for", "a", "track", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/TrackMetadata.java#L182-L227
163,858
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/TrackMetadata.java
TrackMetadata.parseMetadataItem
private void parseMetadataItem(Message item) { switch (item.getMenuItemType()) { case TRACK_TITLE: title = ((StringField) item.arguments.get(3)).getValue(); artworkId = (int) ((NumberField) item.arguments.get(8)).getValue(); break; case ARTIST: artist = buildSearchableItem(item); break; case ORIGINAL_ARTIST: originalArtist = buildSearchableItem(item); break; case REMIXER: remixer = buildSearchableItem(item); case ALBUM_TITLE: album = buildSearchableItem(item); break; case LABEL: label = buildSearchableItem(item); break; case DURATION: duration = (int) ((NumberField) item.arguments.get(1)).getValue(); break; case TEMPO: tempo = (int) ((NumberField) item.arguments.get(1)).getValue(); break; case COMMENT: comment = ((StringField) item.arguments.get(3)).getValue(); break; case KEY: key = buildSearchableItem(item); break; case RATING: rating = (int) ((NumberField)item.arguments.get(1)).getValue(); break; case COLOR_NONE: case COLOR_AQUA: case COLOR_BLUE: case COLOR_GREEN: case COLOR_ORANGE: case COLOR_PINK: case COLOR_PURPLE: case COLOR_RED: case COLOR_YELLOW: color = buildColorItem(item); break; case GENRE: genre = buildSearchableItem(item); break; case DATE_ADDED: dateAdded = ((StringField) item.arguments.get(3)).getValue(); break; case YEAR: year = (int) ((NumberField) item.arguments.get(1)).getValue(); break; case BIT_RATE: bitRate = (int) ((NumberField) item.arguments.get(1)).getValue(); break; default: logger.warn("Ignoring track metadata item with unknown type: {}", item); } }
java
private void parseMetadataItem(Message item) { switch (item.getMenuItemType()) { case TRACK_TITLE: title = ((StringField) item.arguments.get(3)).getValue(); artworkId = (int) ((NumberField) item.arguments.get(8)).getValue(); break; case ARTIST: artist = buildSearchableItem(item); break; case ORIGINAL_ARTIST: originalArtist = buildSearchableItem(item); break; case REMIXER: remixer = buildSearchableItem(item); case ALBUM_TITLE: album = buildSearchableItem(item); break; case LABEL: label = buildSearchableItem(item); break; case DURATION: duration = (int) ((NumberField) item.arguments.get(1)).getValue(); break; case TEMPO: tempo = (int) ((NumberField) item.arguments.get(1)).getValue(); break; case COMMENT: comment = ((StringField) item.arguments.get(3)).getValue(); break; case KEY: key = buildSearchableItem(item); break; case RATING: rating = (int) ((NumberField)item.arguments.get(1)).getValue(); break; case COLOR_NONE: case COLOR_AQUA: case COLOR_BLUE: case COLOR_GREEN: case COLOR_ORANGE: case COLOR_PINK: case COLOR_PURPLE: case COLOR_RED: case COLOR_YELLOW: color = buildColorItem(item); break; case GENRE: genre = buildSearchableItem(item); break; case DATE_ADDED: dateAdded = ((StringField) item.arguments.get(3)).getValue(); break; case YEAR: year = (int) ((NumberField) item.arguments.get(1)).getValue(); break; case BIT_RATE: bitRate = (int) ((NumberField) item.arguments.get(1)).getValue(); break; default: logger.warn("Ignoring track metadata item with unknown type: {}", item); } }
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Processes one of the menu responses that jointly constitute the track metadata, updating our fields accordingly. @param item the menu response to be considered
[ "Processes", "one", "of", "the", "menu", "responses", "that", "jointly", "constitute", "the", "track", "metadata", "updating", "our", "fields", "accordingly", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/TrackMetadata.java#L350-L427
163,859
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/BeatGrid.java
BeatGrid.getRawData
@SuppressWarnings("WeakerAccess") public ByteBuffer getRawData() { if (rawData != null) { rawData.rewind(); return rawData.slice(); } return null; }
java
@SuppressWarnings("WeakerAccess") public ByteBuffer getRawData() { if (rawData != null) { rawData.rewind(); return rawData.slice(); } return null; }
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Get the raw bytes of the beat grid as it was read over the network. This can be used to analyze fields that have not yet been reliably understood, and is also used for storing the beat grid in a cache file. This is not available when the beat grid was loaded by Crate Digger. @return the bytes that make up the beat grid
[ "Get", "the", "raw", "bytes", "of", "the", "beat", "grid", "as", "it", "was", "read", "over", "the", "network", ".", "This", "can", "be", "used", "to", "analyze", "fields", "that", "have", "not", "yet", "been", "reliably", "understood", "and", "is", "also", "used", "for", "storing", "the", "beat", "grid", "in", "a", "cache", "file", ".", "This", "is", "not", "available", "when", "the", "beat", "grid", "was", "loaded", "by", "Crate", "Digger", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/BeatGrid.java#L37-L44
163,860
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/BeatGrid.java
BeatGrid.findTag
private RekordboxAnlz.BeatGridTag findTag(RekordboxAnlz anlzFile) { for (RekordboxAnlz.TaggedSection section : anlzFile.sections()) { if (section.body() instanceof RekordboxAnlz.BeatGridTag) { return (RekordboxAnlz.BeatGridTag) section.body(); } } throw new IllegalArgumentException("No beat grid found inside analysis file " + anlzFile); }
java
private RekordboxAnlz.BeatGridTag findTag(RekordboxAnlz anlzFile) { for (RekordboxAnlz.TaggedSection section : anlzFile.sections()) { if (section.body() instanceof RekordboxAnlz.BeatGridTag) { return (RekordboxAnlz.BeatGridTag) section.body(); } } throw new IllegalArgumentException("No beat grid found inside analysis file " + anlzFile); }
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Helper function to find the beat grid section in a rekordbox track analysis file. @param anlzFile the file that was downloaded from the player @return the section containing the beat grid
[ "Helper", "function", "to", "find", "the", "beat", "grid", "section", "in", "a", "rekordbox", "track", "analysis", "file", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/BeatGrid.java#L101-L108
163,861
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/BeatGrid.java
BeatGrid.beatOffset
private int beatOffset(int beatNumber) { if (beatCount == 0) { throw new IllegalStateException("There are no beats in this beat grid."); } if (beatNumber < 1 || beatNumber > beatCount) { throw new IndexOutOfBoundsException("beatNumber (" + beatNumber + ") must be between 1 and " + beatCount); } return beatNumber - 1; }
java
private int beatOffset(int beatNumber) { if (beatCount == 0) { throw new IllegalStateException("There are no beats in this beat grid."); } if (beatNumber < 1 || beatNumber > beatCount) { throw new IndexOutOfBoundsException("beatNumber (" + beatNumber + ") must be between 1 and " + beatCount); } return beatNumber - 1; }
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Calculate where within the beat grid array the information for the specified beat can be found. Yes, this is a super simple calculation; the main point of the method is to provide a nice exception when the beat is out of bounds. @param beatNumber the beat desired @return the offset of the start of our cache arrays for information about that beat
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/BeatGrid.java#L159-L167
163,862
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/BeatGrid.java
BeatGrid.findBeatAtTime
@SuppressWarnings("WeakerAccess") public int findBeatAtTime(long milliseconds) { int found = Arrays.binarySearch(timeWithinTrackValues, milliseconds); if (found >= 0) { // An exact match, just change 0-based array index to 1-based beat number return found + 1; } else if (found == -1) { // We are before the first beat return found; } else { // We are after some beat, report its beat number return -(found + 1); } }
java
@SuppressWarnings("WeakerAccess") public int findBeatAtTime(long milliseconds) { int found = Arrays.binarySearch(timeWithinTrackValues, milliseconds); if (found >= 0) { // An exact match, just change 0-based array index to 1-based beat number return found + 1; } else if (found == -1) { // We are before the first beat return found; } else { // We are after some beat, report its beat number return -(found + 1); } }
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Finds the beat in which the specified track position falls. @param milliseconds how long the track has been playing @return the beat number represented by that time, or -1 if the time is before the first beat
[ "Finds", "the", "beat", "in", "which", "the", "specified", "track", "position", "falls", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/BeatGrid.java#L208-L218
163,863
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MenuLoader.java
MenuLoader.requestTrackMenuFrom
public List<Message> requestTrackMenuFrom(final SlotReference slotReference, final int sortOrder) throws Exception { ConnectionManager.ClientTask<List<Message>> task = new ConnectionManager.ClientTask<List<Message>>() { @Override public List<Message> useClient(Client client) throws Exception { return MetadataFinder.getInstance().getFullTrackList(slotReference.slot, client, sortOrder); } }; return ConnectionManager.getInstance().invokeWithClientSession(slotReference.player, task, "requesting track menu"); }
java
public List<Message> requestTrackMenuFrom(final SlotReference slotReference, final int sortOrder) throws Exception { ConnectionManager.ClientTask<List<Message>> task = new ConnectionManager.ClientTask<List<Message>>() { @Override public List<Message> useClient(Client client) throws Exception { return MetadataFinder.getInstance().getFullTrackList(slotReference.slot, client, sortOrder); } }; return ConnectionManager.getInstance().invokeWithClientSession(slotReference.player, task, "requesting track menu"); }
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Ask the specified player for a Track menu. @param slotReference the player and slot for which the menu is desired @param sortOrder the order in which responses should be sorted, 0 for default, see Section 6.11.1 of the <a href="https://github.com/Deep-Symmetry/dysentery/blob/master/doc/Analysis.pdf">Packet Analysis document</a> for details @return the entries in the track menu @throws Exception if there is a problem obtaining the menu
[ "Ask", "the", "specified", "player", "for", "a", "Track", "menu", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MenuLoader.java#L179-L190
163,864
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MenuLoader.java
MenuLoader.requestArtistMenuFrom
public List<Message> requestArtistMenuFrom(final SlotReference slotReference, final int sortOrder) throws Exception { ConnectionManager.ClientTask<List<Message>> task = new ConnectionManager.ClientTask<List<Message>>() { @Override public List<Message> useClient(Client client) throws Exception { if (client.tryLockingForMenuOperations(MetadataFinder.MENU_TIMEOUT, TimeUnit.SECONDS)) { try { logger.debug("Requesting Artist menu."); Message response = client.menuRequest(Message.KnownType.ARTIST_MENU_REQ, Message.MenuIdentifier.MAIN_MENU, slotReference.slot, new NumberField(sortOrder)); return client.renderMenuItems(Message.MenuIdentifier.MAIN_MENU, slotReference.slot, CdjStatus.TrackType.REKORDBOX, response); } finally { client.unlockForMenuOperations(); } } else { throw new TimeoutException("Unable to lock player for menu operations."); } } }; return ConnectionManager.getInstance().invokeWithClientSession(slotReference.player, task, "requesting artist menu"); }
java
public List<Message> requestArtistMenuFrom(final SlotReference slotReference, final int sortOrder) throws Exception { ConnectionManager.ClientTask<List<Message>> task = new ConnectionManager.ClientTask<List<Message>>() { @Override public List<Message> useClient(Client client) throws Exception { if (client.tryLockingForMenuOperations(MetadataFinder.MENU_TIMEOUT, TimeUnit.SECONDS)) { try { logger.debug("Requesting Artist menu."); Message response = client.menuRequest(Message.KnownType.ARTIST_MENU_REQ, Message.MenuIdentifier.MAIN_MENU, slotReference.slot, new NumberField(sortOrder)); return client.renderMenuItems(Message.MenuIdentifier.MAIN_MENU, slotReference.slot, CdjStatus.TrackType.REKORDBOX, response); } finally { client.unlockForMenuOperations(); } } else { throw new TimeoutException("Unable to lock player for menu operations."); } } }; return ConnectionManager.getInstance().invokeWithClientSession(slotReference.player, task, "requesting artist menu"); }
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Ask the specified player for an Artist menu. @param slotReference the player and slot for which the menu is desired @param sortOrder the order in which responses should be sorted, 0 for default, see Section 6.11.1 of the <a href="https://github.com/Deep-Symmetry/dysentery/blob/master/doc/Analysis.pdf">Packet Analysis document</a> for details @return the entries in the artist menu @throws Exception if there is a problem obtaining the menu
[ "Ask", "the", "specified", "player", "for", "an", "Artist", "menu", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MenuLoader.java#L204-L226
163,865
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MenuLoader.java
MenuLoader.requestFolderMenuFrom
public List<Message> requestFolderMenuFrom(final SlotReference slotReference, final int sortOrder, final int folderId) throws Exception { ConnectionManager.ClientTask<List<Message>> task = new ConnectionManager.ClientTask<List<Message>>() { @Override public List<Message> useClient(Client client) throws Exception { if (client.tryLockingForMenuOperations(MetadataFinder.MENU_TIMEOUT, TimeUnit.SECONDS)) { try { logger.debug("Requesting Key menu."); Message response = client.menuRequestTyped(Message.KnownType.FOLDER_MENU_REQ, Message.MenuIdentifier.MAIN_MENU, slotReference.slot, CdjStatus.TrackType.UNANALYZED, new NumberField(sortOrder), new NumberField(folderId), new NumberField(0xffffff)); return client.renderMenuItems(Message.MenuIdentifier.MAIN_MENU, slotReference.slot, CdjStatus.TrackType.UNANALYZED, response); } finally { client.unlockForMenuOperations(); } } else { throw new TimeoutException("Unable to lock player for menu operations."); } } }; return ConnectionManager.getInstance().invokeWithClientSession(slotReference.player, task, "requesting folder menu"); }
java
public List<Message> requestFolderMenuFrom(final SlotReference slotReference, final int sortOrder, final int folderId) throws Exception { ConnectionManager.ClientTask<List<Message>> task = new ConnectionManager.ClientTask<List<Message>>() { @Override public List<Message> useClient(Client client) throws Exception { if (client.tryLockingForMenuOperations(MetadataFinder.MENU_TIMEOUT, TimeUnit.SECONDS)) { try { logger.debug("Requesting Key menu."); Message response = client.menuRequestTyped(Message.KnownType.FOLDER_MENU_REQ, Message.MenuIdentifier.MAIN_MENU, slotReference.slot, CdjStatus.TrackType.UNANALYZED, new NumberField(sortOrder), new NumberField(folderId), new NumberField(0xffffff)); return client.renderMenuItems(Message.MenuIdentifier.MAIN_MENU, slotReference.slot, CdjStatus.TrackType.UNANALYZED, response); } finally { client.unlockForMenuOperations(); } } else { throw new TimeoutException("Unable to lock player for menu operations."); } } }; return ConnectionManager.getInstance().invokeWithClientSession(slotReference.player, task, "requesting folder menu"); }
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Ask the specified player for a Folder menu for exploring its raw filesystem. This is a request for unanalyzed items, so we do a typed menu request. @param slotReference the player and slot for which the menu is desired @param sortOrder the order in which responses should be sorted, 0 for default, see Section 6.11.1 of the <a href="https://github.com/Deep-Symmetry/dysentery/blob/master/doc/Analysis.pdf">Packet Analysis document</a> for details @param folderId identifies the folder whose contents should be listed, use -1 to get the root folder @return the entries in the folder menu @throws Exception if there is a problem obtaining the menu
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MenuLoader.java#L1575-L1597
163,866
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/dbserver/Field.java
Field.read
public static Field read(DataInputStream is) throws IOException { final byte tag = is.readByte(); final Field result; switch (tag) { case 0x0f: case 0x10: case 0x11: result = new NumberField(tag, is); break; case 0x14: result = new BinaryField(is); break; case 0x26: result = new StringField(is); break; default: throw new IOException("Unable to read a field with type tag " + tag); } logger.debug("..received> {}", result); return result; }
java
public static Field read(DataInputStream is) throws IOException { final byte tag = is.readByte(); final Field result; switch (tag) { case 0x0f: case 0x10: case 0x11: result = new NumberField(tag, is); break; case 0x14: result = new BinaryField(is); break; case 0x26: result = new StringField(is); break; default: throw new IOException("Unable to read a field with type tag " + tag); } logger.debug("..received> {}", result); return result; }
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Read a field from the supplied stream, starting with the tag that identifies the type, and reading enough to collect the corresponding value. @param is the stream on which a type tag is expected to be the next byte, followed by the field value. @return the field that was found on the stream. @throws IOException if there is a problem reading the field.
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/dbserver/Field.java#L63-L87
163,867
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/dbserver/Field.java
Field.write
public void write(WritableByteChannel channel) throws IOException { logger.debug("..writing> {}", this); Util.writeFully(getBytes(), channel); }
java
public void write(WritableByteChannel channel) throws IOException { logger.debug("..writing> {}", this); Util.writeFully(getBytes(), channel); }
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Write the field to the specified channel. @param channel the channel to which it should be written @throws IOException if there is a problem writing to the channel
[ "Write", "the", "field", "to", "the", "specified", "channel", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/dbserver/Field.java#L113-L116
163,868
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.requestMetadataFrom
@SuppressWarnings("WeakerAccess") public TrackMetadata requestMetadataFrom(final CdjStatus status) { if (status.getTrackSourceSlot() == CdjStatus.TrackSourceSlot.NO_TRACK || status.getRekordboxId() == 0) { return null; } final DataReference track = new DataReference(status.getTrackSourcePlayer(), status.getTrackSourceSlot(), status.getRekordboxId()); return requestMetadataFrom(track, status.getTrackType()); }
java
@SuppressWarnings("WeakerAccess") public TrackMetadata requestMetadataFrom(final CdjStatus status) { if (status.getTrackSourceSlot() == CdjStatus.TrackSourceSlot.NO_TRACK || status.getRekordboxId() == 0) { return null; } final DataReference track = new DataReference(status.getTrackSourcePlayer(), status.getTrackSourceSlot(), status.getRekordboxId()); return requestMetadataFrom(track, status.getTrackType()); }
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Given a status update from a CDJ, find the metadata for the track that it has loaded, if any. If there is an appropriate metadata cache, will use that, otherwise makes a query to the players dbserver. @param status the CDJ status update that will be used to determine the loaded track and ask the appropriate player for metadata about it @return the metadata that was obtained, if any
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L52-L60
163,869
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.requestMetadataFrom
@SuppressWarnings("WeakerAccess") public TrackMetadata requestMetadataFrom(final DataReference track, final CdjStatus.TrackType trackType) { return requestMetadataInternal(track, trackType, false); }
java
@SuppressWarnings("WeakerAccess") public TrackMetadata requestMetadataFrom(final DataReference track, final CdjStatus.TrackType trackType) { return requestMetadataInternal(track, trackType, false); }
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Ask the specified player for metadata about the track in the specified slot with the specified rekordbox ID, unless we have a metadata cache available for the specified media slot, in which case that will be used instead. @param track uniquely identifies the track whose metadata is desired @param trackType identifies the type of track being requested, which affects the type of metadata request message that must be used @return the metadata, if any
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L73-L76
163,870
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.requestMetadataInternal
private TrackMetadata requestMetadataInternal(final DataReference track, final CdjStatus.TrackType trackType, final boolean failIfPassive) { // First check if we are using cached data for this request. MetadataCache cache = getMetadataCache(SlotReference.getSlotReference(track)); if (cache != null && trackType == CdjStatus.TrackType.REKORDBOX) { return cache.getTrackMetadata(null, track); } // Then see if any registered metadata providers can offer it for us. final MediaDetails sourceDetails = getMediaDetailsFor(track.getSlotReference()); if (sourceDetails != null) { final TrackMetadata provided = allMetadataProviders.getTrackMetadata(sourceDetails, track); if (provided != null) { return provided; } } // At this point, unless we are allowed to actively request the data, we are done. We can always actively // request tracks from rekordbox. if (passive.get() && failIfPassive && track.slot != CdjStatus.TrackSourceSlot.COLLECTION) { return null; } // Use the dbserver protocol implementation to request the metadata. ConnectionManager.ClientTask<TrackMetadata> task = new ConnectionManager.ClientTask<TrackMetadata>() { @Override public TrackMetadata useClient(Client client) throws Exception { return queryMetadata(track, trackType, client); } }; try { return ConnectionManager.getInstance().invokeWithClientSession(track.player, task, "requesting metadata"); } catch (Exception e) { logger.error("Problem requesting metadata, returning null", e); } return null; }
java
private TrackMetadata requestMetadataInternal(final DataReference track, final CdjStatus.TrackType trackType, final boolean failIfPassive) { // First check if we are using cached data for this request. MetadataCache cache = getMetadataCache(SlotReference.getSlotReference(track)); if (cache != null && trackType == CdjStatus.TrackType.REKORDBOX) { return cache.getTrackMetadata(null, track); } // Then see if any registered metadata providers can offer it for us. final MediaDetails sourceDetails = getMediaDetailsFor(track.getSlotReference()); if (sourceDetails != null) { final TrackMetadata provided = allMetadataProviders.getTrackMetadata(sourceDetails, track); if (provided != null) { return provided; } } // At this point, unless we are allowed to actively request the data, we are done. We can always actively // request tracks from rekordbox. if (passive.get() && failIfPassive && track.slot != CdjStatus.TrackSourceSlot.COLLECTION) { return null; } // Use the dbserver protocol implementation to request the metadata. ConnectionManager.ClientTask<TrackMetadata> task = new ConnectionManager.ClientTask<TrackMetadata>() { @Override public TrackMetadata useClient(Client client) throws Exception { return queryMetadata(track, trackType, client); } }; try { return ConnectionManager.getInstance().invokeWithClientSession(track.player, task, "requesting metadata"); } catch (Exception e) { logger.error("Problem requesting metadata, returning null", e); } return null; }
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Ask the specified player for metadata about the track in the specified slot with the specified rekordbox ID, using cached media instead if it is available, and possibly giving up if we are in passive mode. @param track uniquely identifies the track whose metadata is desired @param trackType identifies the type of track being requested, which affects the type of metadata request message that must be used @param failIfPassive will prevent the request from taking place if we are in passive mode, so that automatic metadata updates will use available caches only @return the metadata found, if any
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L90-L127
163,871
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.queryMetadata
TrackMetadata queryMetadata(final DataReference track, final CdjStatus.TrackType trackType, final Client client) throws IOException, InterruptedException, TimeoutException { // Send the metadata menu request if (client.tryLockingForMenuOperations(20, TimeUnit.SECONDS)) { try { final Message.KnownType requestType = (trackType == CdjStatus.TrackType.REKORDBOX) ? Message.KnownType.REKORDBOX_METADATA_REQ : Message.KnownType.UNANALYZED_METADATA_REQ; final Message response = client.menuRequestTyped(requestType, Message.MenuIdentifier.MAIN_MENU, track.slot, trackType, new NumberField(track.rekordboxId)); final long count = response.getMenuResultsCount(); if (count == Message.NO_MENU_RESULTS_AVAILABLE) { return null; } // Gather the cue list and all the metadata menu items final List<Message> items = client.renderMenuItems(Message.MenuIdentifier.MAIN_MENU, track.slot, trackType, response); final CueList cueList = getCueList(track.rekordboxId, track.slot, client); return new TrackMetadata(track, trackType, items, cueList); } finally { client.unlockForMenuOperations(); } } else { throw new TimeoutException("Unable to lock the player for menu operations"); } }
java
TrackMetadata queryMetadata(final DataReference track, final CdjStatus.TrackType trackType, final Client client) throws IOException, InterruptedException, TimeoutException { // Send the metadata menu request if (client.tryLockingForMenuOperations(20, TimeUnit.SECONDS)) { try { final Message.KnownType requestType = (trackType == CdjStatus.TrackType.REKORDBOX) ? Message.KnownType.REKORDBOX_METADATA_REQ : Message.KnownType.UNANALYZED_METADATA_REQ; final Message response = client.menuRequestTyped(requestType, Message.MenuIdentifier.MAIN_MENU, track.slot, trackType, new NumberField(track.rekordboxId)); final long count = response.getMenuResultsCount(); if (count == Message.NO_MENU_RESULTS_AVAILABLE) { return null; } // Gather the cue list and all the metadata menu items final List<Message> items = client.renderMenuItems(Message.MenuIdentifier.MAIN_MENU, track.slot, trackType, response); final CueList cueList = getCueList(track.rekordboxId, track.slot, client); return new TrackMetadata(track, trackType, items, cueList); } finally { client.unlockForMenuOperations(); } } else { throw new TimeoutException("Unable to lock the player for menu operations"); } }
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Request metadata for a specific track ID, given a dbserver connection to a player that has already been set up. Separated into its own method so it could be used multiple times with the same connection when gathering all track metadata. @param track uniquely identifies the track whose metadata is desired @param trackType identifies the type of track being requested, which affects the type of metadata request message that must be used @param client the dbserver client that is communicating with the appropriate player @return the retrieved metadata, or {@code null} if there is no such track @throws IOException if there is a communication problem @throws InterruptedException if the thread is interrupted while trying to lock the client for menu operations @throws TimeoutException if we are unable to lock the client for menu operations
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L150-L175
163,872
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.getCueList
CueList getCueList(int rekordboxId, CdjStatus.TrackSourceSlot slot, Client client) throws IOException { Message response = client.simpleRequest(Message.KnownType.CUE_LIST_REQ, null, client.buildRMST(Message.MenuIdentifier.DATA, slot), new NumberField(rekordboxId)); if (response.knownType == Message.KnownType.CUE_LIST) { return new CueList(response); } logger.error("Unexpected response type when requesting cue list: {}", response); return null; }
java
CueList getCueList(int rekordboxId, CdjStatus.TrackSourceSlot slot, Client client) throws IOException { Message response = client.simpleRequest(Message.KnownType.CUE_LIST_REQ, null, client.buildRMST(Message.MenuIdentifier.DATA, slot), new NumberField(rekordboxId)); if (response.knownType == Message.KnownType.CUE_LIST) { return new CueList(response); } logger.error("Unexpected response type when requesting cue list: {}", response); return null; }
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Requests the cue list for a specific track ID, given a dbserver connection to a player that has already been set up. @param rekordboxId the track of interest @param slot identifies the media slot we are querying @param client the dbserver client that is communicating with the appropriate player @return the retrieved cue list, or {@code null} if none was available @throws IOException if there is a communication problem
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L188-L197
163,873
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.getFullTrackList
List<Message> getFullTrackList(final CdjStatus.TrackSourceSlot slot, final Client client, final int sortOrder) throws IOException, InterruptedException, TimeoutException { // Send the metadata menu request if (client.tryLockingForMenuOperations(MENU_TIMEOUT, TimeUnit.SECONDS)) { try { Message response = client.menuRequest(Message.KnownType.TRACK_MENU_REQ, Message.MenuIdentifier.MAIN_MENU, slot, new NumberField(sortOrder)); final long count = response.getMenuResultsCount(); if (count == Message.NO_MENU_RESULTS_AVAILABLE || count == 0) { return Collections.emptyList(); } // Gather all the metadata menu items return client.renderMenuItems(Message.MenuIdentifier.MAIN_MENU, slot, CdjStatus.TrackType.REKORDBOX, response); } finally { client.unlockForMenuOperations(); } } else { throw new TimeoutException("Unable to lock the player for menu operations"); } }
java
List<Message> getFullTrackList(final CdjStatus.TrackSourceSlot slot, final Client client, final int sortOrder) throws IOException, InterruptedException, TimeoutException { // Send the metadata menu request if (client.tryLockingForMenuOperations(MENU_TIMEOUT, TimeUnit.SECONDS)) { try { Message response = client.menuRequest(Message.KnownType.TRACK_MENU_REQ, Message.MenuIdentifier.MAIN_MENU, slot, new NumberField(sortOrder)); final long count = response.getMenuResultsCount(); if (count == Message.NO_MENU_RESULTS_AVAILABLE || count == 0) { return Collections.emptyList(); } // Gather all the metadata menu items return client.renderMenuItems(Message.MenuIdentifier.MAIN_MENU, slot, CdjStatus.TrackType.REKORDBOX, response); } finally { client.unlockForMenuOperations(); } } else { throw new TimeoutException("Unable to lock the player for menu operations"); } }
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Request the list of all tracks in the specified slot, given a dbserver connection to a player that has already been set up. @param slot identifies the media slot we are querying @param client the dbserver client that is communicating with the appropriate player @return the retrieved track list entry items @throws IOException if there is a communication problem @throws InterruptedException if the thread is interrupted while trying to lock the client for menu operations @throws TimeoutException if we are unable to lock the client for menu operations
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L212-L233
163,874
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.clearDeck
private void clearDeck(CdjStatus update) { if (hotCache.remove(DeckReference.getDeckReference(update.getDeviceNumber(), 0)) != null) { deliverTrackMetadataUpdate(update.getDeviceNumber(), null); } }
java
private void clearDeck(CdjStatus update) { if (hotCache.remove(DeckReference.getDeckReference(update.getDeviceNumber(), 0)) != null) { deliverTrackMetadataUpdate(update.getDeviceNumber(), null); } }
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We have received an update that invalidates any previous metadata for that player, so clear it out, and alert any listeners if this represents a change. This does not affect the hot cues; they will stick around until the player loads a new track that overwrites one or more of them. @param update the update which means we can have no metadata for the associated player
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L432-L436
163,875
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.clearMetadata
private void clearMetadata(DeviceAnnouncement announcement) { final int player = announcement.getNumber(); // Iterate over a copy to avoid concurrent modification issues for (DeckReference deck : new HashSet<DeckReference>(hotCache.keySet())) { if (deck.player == player) { hotCache.remove(deck); if (deck.hotCue == 0) { deliverTrackMetadataUpdate(player, null); // Inform listeners the metadata is gone. } } } }
java
private void clearMetadata(DeviceAnnouncement announcement) { final int player = announcement.getNumber(); // Iterate over a copy to avoid concurrent modification issues for (DeckReference deck : new HashSet<DeckReference>(hotCache.keySet())) { if (deck.player == player) { hotCache.remove(deck); if (deck.hotCue == 0) { deliverTrackMetadataUpdate(player, null); // Inform listeners the metadata is gone. } } } }
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We have received notification that a device is no longer on the network, so clear out its metadata. @param announcement the packet which reported the device’s disappearance
[ "We", "have", "received", "notification", "that", "a", "device", "is", "no", "longer", "on", "the", "network", "so", "clear", "out", "its", "metadata", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L443-L454
163,876
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.updateMetadata
private void updateMetadata(CdjStatus update, TrackMetadata data) { hotCache.put(DeckReference.getDeckReference(update.getDeviceNumber(), 0), data); // Main deck if (data.getCueList() != null) { // Update the cache with any hot cues in this track as well for (CueList.Entry entry : data.getCueList().entries) { if (entry.hotCueNumber != 0) { hotCache.put(DeckReference.getDeckReference(update.getDeviceNumber(), entry.hotCueNumber), data); } } } deliverTrackMetadataUpdate(update.getDeviceNumber(), data); }
java
private void updateMetadata(CdjStatus update, TrackMetadata data) { hotCache.put(DeckReference.getDeckReference(update.getDeviceNumber(), 0), data); // Main deck if (data.getCueList() != null) { // Update the cache with any hot cues in this track as well for (CueList.Entry entry : data.getCueList().entries) { if (entry.hotCueNumber != 0) { hotCache.put(DeckReference.getDeckReference(update.getDeviceNumber(), entry.hotCueNumber), data); } } } deliverTrackMetadataUpdate(update.getDeviceNumber(), data); }
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We have obtained metadata for a device, so store it and alert any listeners. @param update the update which caused us to retrieve this metadata @param data the metadata which we received
[ "We", "have", "obtained", "metadata", "for", "a", "device", "so", "store", "it", "and", "alert", "any", "listeners", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L462-L472
163,877
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.getLoadedTracks
public Map<DeckReference, TrackMetadata> getLoadedTracks() { ensureRunning(); // Make a copy so callers get an immutable snapshot of the current state. return Collections.unmodifiableMap(new HashMap<DeckReference, TrackMetadata>(hotCache)); }
java
public Map<DeckReference, TrackMetadata> getLoadedTracks() { ensureRunning(); // Make a copy so callers get an immutable snapshot of the current state. return Collections.unmodifiableMap(new HashMap<DeckReference, TrackMetadata>(hotCache)); }
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Get the metadata of all tracks currently loaded in any player, either on the play deck, or in a hot cue. @return the track information reported by all current players, including any tracks loaded in their hot cue slots @throws IllegalStateException if the MetadataFinder is not running
[ "Get", "the", "metadata", "of", "all", "tracks", "currently", "loaded", "in", "any", "player", "either", "on", "the", "play", "deck", "or", "in", "a", "hot", "cue", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L481-L485
163,878
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.attachMetadataCache
public void attachMetadataCache(SlotReference slot, File file) throws IOException { ensureRunning(); if (slot.player < 1 || slot.player > 4 || DeviceFinder.getInstance().getLatestAnnouncementFrom(slot.player) == null) { throw new IllegalArgumentException("unable to attach metadata cache for player " + slot.player); } if ((slot.slot != CdjStatus.TrackSourceSlot.USB_SLOT) && (slot.slot != CdjStatus.TrackSourceSlot.SD_SLOT)) { throw new IllegalArgumentException("unable to attach metadata cache for slot " + slot.slot); } MetadataCache cache = new MetadataCache(file); final MediaDetails slotDetails = getMediaDetailsFor(slot); if (cache.sourceMedia != null && slotDetails != null) { if (!slotDetails.hashKey().equals(cache.sourceMedia.hashKey())) { throw new IllegalArgumentException("Cache was created for different media (" + cache.sourceMedia.hashKey() + ") than is in the slot (" + slotDetails.hashKey() + ")."); } if (slotDetails.hasChanged(cache.sourceMedia)) { logger.warn("Media has changed (" + slotDetails + ") since cache was created (" + cache.sourceMedia + "). Attaching anyway as instructed."); } } attachMetadataCacheInternal(slot, cache); }
java
public void attachMetadataCache(SlotReference slot, File file) throws IOException { ensureRunning(); if (slot.player < 1 || slot.player > 4 || DeviceFinder.getInstance().getLatestAnnouncementFrom(slot.player) == null) { throw new IllegalArgumentException("unable to attach metadata cache for player " + slot.player); } if ((slot.slot != CdjStatus.TrackSourceSlot.USB_SLOT) && (slot.slot != CdjStatus.TrackSourceSlot.SD_SLOT)) { throw new IllegalArgumentException("unable to attach metadata cache for slot " + slot.slot); } MetadataCache cache = new MetadataCache(file); final MediaDetails slotDetails = getMediaDetailsFor(slot); if (cache.sourceMedia != null && slotDetails != null) { if (!slotDetails.hashKey().equals(cache.sourceMedia.hashKey())) { throw new IllegalArgumentException("Cache was created for different media (" + cache.sourceMedia.hashKey() + ") than is in the slot (" + slotDetails.hashKey() + ")."); } if (slotDetails.hasChanged(cache.sourceMedia)) { logger.warn("Media has changed (" + slotDetails + ") since cache was created (" + cache.sourceMedia + "). Attaching anyway as instructed."); } } attachMetadataCacheInternal(slot, cache); }
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Attach a metadata cache file to a particular player media slot, so the cache will be used instead of querying the player for metadata. This supports operation with metadata during shows where DJs are using all four player numbers and heavily cross-linking between them. If the media is ejected from that player slot, the cache will be detached. @param slot the media slot to which a meta data cache is to be attached @param file the metadata cache to be attached @throws IOException if there is a problem reading the cache file @throws IllegalArgumentException if an invalid player number or slot is supplied @throws IllegalStateException if the metadata finder is not running
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L540-L563
163,879
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.attachMetadataCacheInternal
void attachMetadataCacheInternal(SlotReference slot, MetadataCache cache) { MetadataCache oldCache = metadataCacheFiles.put(slot, cache); if (oldCache != null) { try { oldCache.close(); } catch (IOException e) { logger.error("Problem closing previous metadata cache", e); } } deliverCacheUpdate(slot, cache); }
java
void attachMetadataCacheInternal(SlotReference slot, MetadataCache cache) { MetadataCache oldCache = metadataCacheFiles.put(slot, cache); if (oldCache != null) { try { oldCache.close(); } catch (IOException e) { logger.error("Problem closing previous metadata cache", e); } } deliverCacheUpdate(slot, cache); }
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Finishes the process of attaching a metadata cache file once it has been opened and validated. @param slot the slot to which the cache should be attached @param cache the opened, validated metadata cache file
[ "Finishes", "the", "process", "of", "attaching", "a", "metadata", "cache", "file", "once", "it", "has", "been", "opened", "and", "validated", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L571-L582
163,880
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.detachMetadataCache
public void detachMetadataCache(SlotReference slot) { MetadataCache oldCache = metadataCacheFiles.remove(slot); if (oldCache != null) { try { oldCache.close(); } catch (IOException e) { logger.error("Problem closing metadata cache", e); } deliverCacheUpdate(slot, null); } }
java
public void detachMetadataCache(SlotReference slot) { MetadataCache oldCache = metadataCacheFiles.remove(slot); if (oldCache != null) { try { oldCache.close(); } catch (IOException e) { logger.error("Problem closing metadata cache", e); } deliverCacheUpdate(slot, null); } }
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Removes any metadata cache file that might have been assigned to a particular player media slot, so metadata will be looked up from the player itself. @param slot the media slot to which a meta data cache is to be attached
[ "Removes", "any", "metadata", "cache", "file", "that", "might", "have", "been", "assigned", "to", "a", "particular", "player", "media", "slot", "so", "metadata", "will", "be", "looked", "up", "from", "the", "player", "itself", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L590-L600
163,881
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.getAutoAttachCacheFiles
public List<File> getAutoAttachCacheFiles() { ArrayList<File> currentFiles = new ArrayList<File>(autoAttachCacheFiles); Collections.sort(currentFiles, new Comparator<File>() { @Override public int compare(File o1, File o2) { return o1.getName().compareTo(o2.getName()); } }); return Collections.unmodifiableList(currentFiles); }
java
public List<File> getAutoAttachCacheFiles() { ArrayList<File> currentFiles = new ArrayList<File>(autoAttachCacheFiles); Collections.sort(currentFiles, new Comparator<File>() { @Override public int compare(File o1, File o2) { return o1.getName().compareTo(o2.getName()); } }); return Collections.unmodifiableList(currentFiles); }
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Get the metadata cache files that are currently configured to be automatically attached when matching media is mounted in a player on the network. @return the current auto-attache cache files, sorted by name
[ "Get", "the", "metadata", "cache", "files", "that", "are", "currently", "configured", "to", "be", "automatically", "attached", "when", "matching", "media", "is", "mounted", "in", "a", "player", "on", "the", "network", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L665-L674
163,882
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.flushHotCacheSlot
private void flushHotCacheSlot(SlotReference slot) { // Iterate over a copy to avoid concurrent modification issues for (Map.Entry<DeckReference, TrackMetadata> entry : new HashMap<DeckReference,TrackMetadata>(hotCache).entrySet()) { if (slot == SlotReference.getSlotReference(entry.getValue().trackReference)) { logger.debug("Evicting cached metadata in response to unmount report {}", entry.getValue()); hotCache.remove(entry.getKey()); } } }
java
private void flushHotCacheSlot(SlotReference slot) { // Iterate over a copy to avoid concurrent modification issues for (Map.Entry<DeckReference, TrackMetadata> entry : new HashMap<DeckReference,TrackMetadata>(hotCache).entrySet()) { if (slot == SlotReference.getSlotReference(entry.getValue().trackReference)) { logger.debug("Evicting cached metadata in response to unmount report {}", entry.getValue()); hotCache.remove(entry.getKey()); } } }
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Discards any tracks from the hot cache that were loaded from a now-unmounted media slot, because they are no longer valid.
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L715-L723
163,883
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.recordMount
private void recordMount(SlotReference slot) { if (mediaMounts.add(slot)) { deliverMountUpdate(slot, true); } if (!mediaDetails.containsKey(slot)) { try { VirtualCdj.getInstance().sendMediaQuery(slot); } catch (Exception e) { logger.warn("Problem trying to request media details for " + slot, e); } } }
java
private void recordMount(SlotReference slot) { if (mediaMounts.add(slot)) { deliverMountUpdate(slot, true); } if (!mediaDetails.containsKey(slot)) { try { VirtualCdj.getInstance().sendMediaQuery(slot); } catch (Exception e) { logger.warn("Problem trying to request media details for " + slot, e); } } }
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Records that there is media mounted in a particular media player slot, updating listeners if this is a change. Also send a query to the player requesting details about the media mounted in that slot, if we don't already have that information. @param slot the slot in which media is mounted
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L748-L759
163,884
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.removeMount
private void removeMount(SlotReference slot) { mediaDetails.remove(slot); if (mediaMounts.remove(slot)) { deliverMountUpdate(slot, false); } }
java
private void removeMount(SlotReference slot) { mediaDetails.remove(slot); if (mediaMounts.remove(slot)) { deliverMountUpdate(slot, false); } }
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Records that there is no media mounted in a particular media player slot, updating listeners if this is a change, and clearing any affected items from our in-memory caches. @param slot the slot in which no media is mounted
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L767-L772
163,885
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.deliverMountUpdate
private void deliverMountUpdate(SlotReference slot, boolean mounted) { if (mounted) { logger.info("Reporting media mounted in " + slot); } else { logger.info("Reporting media removed from " + slot); } for (final MountListener listener : getMountListeners()) { try { if (mounted) { listener.mediaMounted(slot); } else { listener.mediaUnmounted(slot); } } catch (Throwable t) { logger.warn("Problem delivering mount update to listener", t); } } if (mounted) { MetadataCache.tryAutoAttaching(slot); } }
java
private void deliverMountUpdate(SlotReference slot, boolean mounted) { if (mounted) { logger.info("Reporting media mounted in " + slot); } else { logger.info("Reporting media removed from " + slot); } for (final MountListener listener : getMountListeners()) { try { if (mounted) { listener.mediaMounted(slot); } else { listener.mediaUnmounted(slot); } } catch (Throwable t) { logger.warn("Problem delivering mount update to listener", t); } } if (mounted) { MetadataCache.tryAutoAttaching(slot); } }
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Send a mount update announcement to all registered listeners, and see if we can auto-attach a media cache file. @param slot the slot in which media has been mounted or unmounted @param mounted will be {@code true} if there is now media mounted in the specified slot
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L870-L892
163,886
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.deliverCacheUpdate
private void deliverCacheUpdate(SlotReference slot, MetadataCache cache) { for (final MetadataCacheListener listener : getCacheListeners()) { try { if (cache == null) { listener.cacheDetached(slot); } else { listener.cacheAttached(slot, cache); } } catch (Throwable t) { logger.warn("Problem delivering metadata cache update to listener", t); } } }
java
private void deliverCacheUpdate(SlotReference slot, MetadataCache cache) { for (final MetadataCacheListener listener : getCacheListeners()) { try { if (cache == null) { listener.cacheDetached(slot); } else { listener.cacheAttached(slot, cache); } } catch (Throwable t) { logger.warn("Problem delivering metadata cache update to listener", t); } } }
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Send a metadata cache update announcement to all registered listeners. @param slot the media slot whose cache status has changed @param cache the cache which has been attached, or, if {@code null}, the previous cache has been detached
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L952-L964
163,887
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.deliverTrackMetadataUpdate
private void deliverTrackMetadataUpdate(int player, TrackMetadata metadata) { if (!getTrackMetadataListeners().isEmpty()) { final TrackMetadataUpdate update = new TrackMetadataUpdate(player, metadata); for (final TrackMetadataListener listener : getTrackMetadataListeners()) { try { listener.metadataChanged(update); } catch (Throwable t) { logger.warn("Problem delivering track metadata update to listener", t); } } } }
java
private void deliverTrackMetadataUpdate(int player, TrackMetadata metadata) { if (!getTrackMetadataListeners().isEmpty()) { final TrackMetadataUpdate update = new TrackMetadataUpdate(player, metadata); for (final TrackMetadataListener listener : getTrackMetadataListeners()) { try { listener.metadataChanged(update); } catch (Throwable t) { logger.warn("Problem delivering track metadata update to listener", t); } } } }
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Send a track metadata update announcement to all registered listeners.
[ "Send", "a", "track", "metadata", "update", "announcement", "to", "all", "registered", "listeners", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L1023-L1035
163,888
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.addMetadataProviderForMedia
private void addMetadataProviderForMedia(String key, MetadataProvider provider) { if (!metadataProviders.containsKey(key)) { metadataProviders.put(key, Collections.newSetFromMap(new ConcurrentHashMap<MetadataProvider, Boolean>())); } Set<MetadataProvider> providers = metadataProviders.get(key); providers.add(provider); }
java
private void addMetadataProviderForMedia(String key, MetadataProvider provider) { if (!metadataProviders.containsKey(key)) { metadataProviders.put(key, Collections.newSetFromMap(new ConcurrentHashMap<MetadataProvider, Boolean>())); } Set<MetadataProvider> providers = metadataProviders.get(key); providers.add(provider); }
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Internal method that adds a metadata provider to the set associated with a particular hash key, creating the set if needed. @param key the hashKey identifying the media for which this provider can offer metadata (or the empty string if it can offer metadata for all media) @param provider the metadata provider to be added to the active set
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L1082-L1088
163,889
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.removeMetadataProvider
public void removeMetadataProvider(MetadataProvider provider) { for (Set<MetadataProvider> providers : metadataProviders.values()) { providers.remove(provider); } }
java
public void removeMetadataProvider(MetadataProvider provider) { for (Set<MetadataProvider> providers : metadataProviders.values()) { providers.remove(provider); } }
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Removes a metadata provider so it will no longer be consulted to provide metadata for tracks loaded from any media. @param provider the metadata provider to remove.
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L1096-L1100
163,890
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.getMetadataProviders
public Set<MetadataProvider> getMetadataProviders(MediaDetails sourceMedia) { String key = (sourceMedia == null)? "" : sourceMedia.hashKey(); Set<MetadataProvider> result = metadataProviders.get(key); if (result == null) { return Collections.emptySet(); } return Collections.unmodifiableSet(new HashSet<MetadataProvider>(result)); }
java
public Set<MetadataProvider> getMetadataProviders(MediaDetails sourceMedia) { String key = (sourceMedia == null)? "" : sourceMedia.hashKey(); Set<MetadataProvider> result = metadataProviders.get(key); if (result == null) { return Collections.emptySet(); } return Collections.unmodifiableSet(new HashSet<MetadataProvider>(result)); }
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Get the set of metadata providers that can offer metadata for tracks loaded from the specified media. @param sourceMedia the media whose metadata providers are desired, or {@code null} to get the set of metadata providers that can offer metadata for all media. @return any registered metadata providers that reported themselves as supporting tracks from that media
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L1110-L1117
163,891
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java
MetadataFinder.handleUpdate
private void handleUpdate(final CdjStatus update) { // First see if any metadata caches need evicting or mount sets need updating. if (update.isLocalUsbEmpty()) { final SlotReference slot = SlotReference.getSlotReference(update.getDeviceNumber(), CdjStatus.TrackSourceSlot.USB_SLOT); detachMetadataCache(slot); flushHotCacheSlot(slot); removeMount(slot); } else if (update.isLocalUsbLoaded()) { recordMount(SlotReference.getSlotReference(update.getDeviceNumber(), CdjStatus.TrackSourceSlot.USB_SLOT)); } if (update.isLocalSdEmpty()) { final SlotReference slot = SlotReference.getSlotReference(update.getDeviceNumber(), CdjStatus.TrackSourceSlot.SD_SLOT); detachMetadataCache(slot); flushHotCacheSlot(slot); removeMount(slot); } else if (update.isLocalSdLoaded()){ recordMount(SlotReference.getSlotReference(update.getDeviceNumber(), CdjStatus.TrackSourceSlot.SD_SLOT)); } if (update.isDiscSlotEmpty()) { removeMount(SlotReference.getSlotReference(update.getDeviceNumber(), CdjStatus.TrackSourceSlot.CD_SLOT)); } else { recordMount(SlotReference.getSlotReference(update.getDeviceNumber(), CdjStatus.TrackSourceSlot.CD_SLOT)); } // Now see if a track has changed that needs new metadata. if (update.getTrackType() == CdjStatus.TrackType.UNKNOWN || update.getTrackType() == CdjStatus.TrackType.NO_TRACK || update.getTrackSourceSlot() == CdjStatus.TrackSourceSlot.NO_TRACK || update.getTrackSourceSlot() == CdjStatus.TrackSourceSlot.UNKNOWN || update.getRekordboxId() == 0) { // We no longer have metadata for this device. clearDeck(update); } else { // We can offer metadata for this device; check if we already looked up this track. final TrackMetadata lastMetadata = hotCache.get(DeckReference.getDeckReference(update.getDeviceNumber(), 0)); final DataReference trackReference = new DataReference(update.getTrackSourcePlayer(), update.getTrackSourceSlot(), update.getRekordboxId()); if (lastMetadata == null || !lastMetadata.trackReference.equals(trackReference)) { // We have something new! // First see if we can find the new track in the hot cache as a hot cue for (TrackMetadata cached : hotCache.values()) { if (cached.trackReference.equals(trackReference)) { // Found a hot cue hit, use it. updateMetadata(update, cached); return; } } // Not in the hot cache so try actually retrieving it. if (activeRequests.add(update.getTrackSourcePlayer())) { // We had to make sure we were not already asking for this track. clearDeck(update); // We won't know what it is until our request completes. new Thread(new Runnable() { @Override public void run() { try { TrackMetadata data = requestMetadataInternal(trackReference, update.getTrackType(), true); if (data != null) { updateMetadata(update, data); } } catch (Exception e) { logger.warn("Problem requesting track metadata from update" + update, e); } finally { activeRequests.remove(update.getTrackSourcePlayer()); } } }, "MetadataFinder metadata request").start(); } } } }
java
private void handleUpdate(final CdjStatus update) { // First see if any metadata caches need evicting or mount sets need updating. if (update.isLocalUsbEmpty()) { final SlotReference slot = SlotReference.getSlotReference(update.getDeviceNumber(), CdjStatus.TrackSourceSlot.USB_SLOT); detachMetadataCache(slot); flushHotCacheSlot(slot); removeMount(slot); } else if (update.isLocalUsbLoaded()) { recordMount(SlotReference.getSlotReference(update.getDeviceNumber(), CdjStatus.TrackSourceSlot.USB_SLOT)); } if (update.isLocalSdEmpty()) { final SlotReference slot = SlotReference.getSlotReference(update.getDeviceNumber(), CdjStatus.TrackSourceSlot.SD_SLOT); detachMetadataCache(slot); flushHotCacheSlot(slot); removeMount(slot); } else if (update.isLocalSdLoaded()){ recordMount(SlotReference.getSlotReference(update.getDeviceNumber(), CdjStatus.TrackSourceSlot.SD_SLOT)); } if (update.isDiscSlotEmpty()) { removeMount(SlotReference.getSlotReference(update.getDeviceNumber(), CdjStatus.TrackSourceSlot.CD_SLOT)); } else { recordMount(SlotReference.getSlotReference(update.getDeviceNumber(), CdjStatus.TrackSourceSlot.CD_SLOT)); } // Now see if a track has changed that needs new metadata. if (update.getTrackType() == CdjStatus.TrackType.UNKNOWN || update.getTrackType() == CdjStatus.TrackType.NO_TRACK || update.getTrackSourceSlot() == CdjStatus.TrackSourceSlot.NO_TRACK || update.getTrackSourceSlot() == CdjStatus.TrackSourceSlot.UNKNOWN || update.getRekordboxId() == 0) { // We no longer have metadata for this device. clearDeck(update); } else { // We can offer metadata for this device; check if we already looked up this track. final TrackMetadata lastMetadata = hotCache.get(DeckReference.getDeckReference(update.getDeviceNumber(), 0)); final DataReference trackReference = new DataReference(update.getTrackSourcePlayer(), update.getTrackSourceSlot(), update.getRekordboxId()); if (lastMetadata == null || !lastMetadata.trackReference.equals(trackReference)) { // We have something new! // First see if we can find the new track in the hot cache as a hot cue for (TrackMetadata cached : hotCache.values()) { if (cached.trackReference.equals(trackReference)) { // Found a hot cue hit, use it. updateMetadata(update, cached); return; } } // Not in the hot cache so try actually retrieving it. if (activeRequests.add(update.getTrackSourcePlayer())) { // We had to make sure we were not already asking for this track. clearDeck(update); // We won't know what it is until our request completes. new Thread(new Runnable() { @Override public void run() { try { TrackMetadata data = requestMetadataInternal(trackReference, update.getTrackType(), true); if (data != null) { updateMetadata(update, data); } } catch (Exception e) { logger.warn("Problem requesting track metadata from update" + update, e); } finally { activeRequests.remove(update.getTrackSourcePlayer()); } } }, "MetadataFinder metadata request").start(); } } } }
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Process an update packet from one of the CDJs. See if it has a valid track loaded; if not, clear any metadata we had stored for that player. If so, see if it is the same track we already know about; if not, request the metadata associated with that track. Also clears out any metadata caches that were attached for slots that no longer have media mounted in them, and updates the sets of which players have media mounted in which slots. If any of these reflect a change in state, any registered listeners will be informed. @param update an update packet we received from a CDJ
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataFinder.java#L1246-L1314
163,892
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/WaveformDetail.java
WaveformDetail.getColorWaveformBits
private int getColorWaveformBits(final ByteBuffer waveBytes, final int segment) { final int base = (segment * 2); final int big = Util.unsign(waveBytes.get(base)); final int small = Util.unsign(waveBytes.get(base + 1)); return big * 256 + small; }
java
private int getColorWaveformBits(final ByteBuffer waveBytes, final int segment) { final int base = (segment * 2); final int big = Util.unsign(waveBytes.get(base)); final int small = Util.unsign(waveBytes.get(base + 1)); return big * 256 + small; }
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Color waveforms are represented by a series of sixteen bit integers into which color and height information are packed. This function returns the integer corresponding to a particular half-frame in the waveform. @param waveBytes the raw data making up the waveform @param segment the index of hte half-frame of interest @return the sixteen-bit number encoding the height and RGB values of that segment
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/WaveformDetail.java#L208-L213
163,893
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataCache.java
MetadataCache.addCacheFormatEntry
private static void addCacheFormatEntry(List<Message> trackListEntries, int playlistId, ZipOutputStream zos) throws IOException { // Add a marker so we can recognize this as a metadata archive. I would use the ZipFile comment, but // that is not available until Java 7, and Beat Link is supposed to be backwards compatible with Java 6. // Since we are doing this anyway, we can also provide information about the nature of the cache, and // how many metadata entries it contains, which is useful for auto-attachment. zos.putNextEntry(new ZipEntry(CACHE_FORMAT_ENTRY)); String formatEntry = CACHE_FORMAT_IDENTIFIER + ":" + playlistId + ":" + trackListEntries.size(); zos.write(formatEntry.getBytes("UTF-8")); }
java
private static void addCacheFormatEntry(List<Message> trackListEntries, int playlistId, ZipOutputStream zos) throws IOException { // Add a marker so we can recognize this as a metadata archive. I would use the ZipFile comment, but // that is not available until Java 7, and Beat Link is supposed to be backwards compatible with Java 6. // Since we are doing this anyway, we can also provide information about the nature of the cache, and // how many metadata entries it contains, which is useful for auto-attachment. zos.putNextEntry(new ZipEntry(CACHE_FORMAT_ENTRY)); String formatEntry = CACHE_FORMAT_IDENTIFIER + ":" + playlistId + ":" + trackListEntries.size(); zos.write(formatEntry.getBytes("UTF-8")); }
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Add a marker so we can recognize this as a metadata archive. I would use the ZipFile comment, but that is not available until Java 7, and Beat Link is supposed to be backwards compatible with Java 6. Since we are doing this anyway, we can also provide information about the nature of the cache, and how many metadata entries it contains, which is useful for auto-attachment. @param trackListEntries the tracks contained in the cache, so we can record the number @param playlistId the playlist contained in the cache, or 0 if it is all tracks from the media @param zos the stream to which the ZipFile is being written @throws IOException if there is a problem creating the format entry
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataCache.java#L344-L352
163,894
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataCache.java
MetadataCache.addCacheDetailsEntry
private static void addCacheDetailsEntry(SlotReference slot, ZipOutputStream zos, WritableByteChannel channel) throws IOException { // Record the details of the media being cached, to make it easier to recognize now that we can. MediaDetails details = MetadataFinder.getInstance().getMediaDetailsFor(slot); if (details != null) { zos.putNextEntry(new ZipEntry(CACHE_DETAILS_ENTRY)); Util.writeFully(details.getRawBytes(), channel); } }
java
private static void addCacheDetailsEntry(SlotReference slot, ZipOutputStream zos, WritableByteChannel channel) throws IOException { // Record the details of the media being cached, to make it easier to recognize now that we can. MediaDetails details = MetadataFinder.getInstance().getMediaDetailsFor(slot); if (details != null) { zos.putNextEntry(new ZipEntry(CACHE_DETAILS_ENTRY)); Util.writeFully(details.getRawBytes(), channel); } }
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Record the details of the media being cached, to make it easier to recognize, now that we have access to that information. @param slot the slot from which a metadata cache is being created @param zos the stream to which the ZipFile is being written @param channel the low-level channel to which the cache is being written @throws IOException if there is a problem writing the media details entry
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataCache.java#L364-L371
163,895
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataCache.java
MetadataCache.getCacheFormatEntry
private String getCacheFormatEntry() throws IOException { ZipEntry zipEntry = zipFile.getEntry(CACHE_FORMAT_ENTRY); InputStream is = zipFile.getInputStream(zipEntry); try { Scanner s = new Scanner(is, "UTF-8").useDelimiter("\\A"); String tag = null; if (s.hasNext()) tag = s.next(); return tag; } finally { is.close(); } }
java
private String getCacheFormatEntry() throws IOException { ZipEntry zipEntry = zipFile.getEntry(CACHE_FORMAT_ENTRY); InputStream is = zipFile.getInputStream(zipEntry); try { Scanner s = new Scanner(is, "UTF-8").useDelimiter("\\A"); String tag = null; if (s.hasNext()) tag = s.next(); return tag; } finally { is.close(); } }
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Find and read the cache format entry in a metadata cache file. @return the content of the format entry, or {@code null} if none was found @throws IOException if there is a problem reading the file
[ "Find", "and", "read", "the", "cache", "format", "entry", "in", "a", "metadata", "cache", "file", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataCache.java#L454-L465
163,896
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataCache.java
MetadataCache.getTrackIds
public List<Integer> getTrackIds() { ArrayList<Integer> results = new ArrayList<Integer>(trackCount); Enumeration<? extends ZipEntry> entries = zipFile.entries(); while (entries.hasMoreElements()) { ZipEntry entry = entries.nextElement(); if (entry.getName().startsWith(CACHE_METADATA_ENTRY_PREFIX)) { String idPart = entry.getName().substring(CACHE_METADATA_ENTRY_PREFIX.length()); if (idPart.length() > 0) { results.add(Integer.valueOf(idPart)); } } } return Collections.unmodifiableList(results); }
java
public List<Integer> getTrackIds() { ArrayList<Integer> results = new ArrayList<Integer>(trackCount); Enumeration<? extends ZipEntry> entries = zipFile.entries(); while (entries.hasMoreElements()) { ZipEntry entry = entries.nextElement(); if (entry.getName().startsWith(CACHE_METADATA_ENTRY_PREFIX)) { String idPart = entry.getName().substring(CACHE_METADATA_ENTRY_PREFIX.length()); if (idPart.length() > 0) { results.add(Integer.valueOf(idPart)); } } } return Collections.unmodifiableList(results); }
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Returns a list of the rekordbox IDs of the tracks contained in the cache. @return a list containing the rekordbox ID for each track present in the cache, in the order they appear
[ "Returns", "a", "list", "of", "the", "rekordbox", "IDs", "of", "the", "tracks", "contained", "in", "the", "cache", "." ]
f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataCache.java#L502-L516
163,897
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataCache.java
MetadataCache.createMetadataCache
public static void createMetadataCache(SlotReference slot, int playlistId, File cache) throws Exception { createMetadataCache(slot, playlistId, cache, null); }
java
public static void createMetadataCache(SlotReference slot, int playlistId, File cache) throws Exception { createMetadataCache(slot, playlistId, cache, null); }
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Creates a metadata cache archive file of all tracks in the specified slot on the specified player. Any previous contents of the specified file will be replaced. @param slot the slot in which the media to be cached can be found @param playlistId the id of playlist to be cached, or 0 of all tracks should be cached @param cache the file into which the metadata cache should be written @throws Exception if there is a problem communicating with the player or writing the cache file.
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataCache.java#L692-L694
163,898
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataCache.java
MetadataCache.tryAutoAttaching
static void tryAutoAttaching(final SlotReference slot) { if (!MetadataFinder.getInstance().getMountedMediaSlots().contains(slot)) { logger.error("Unable to auto-attach cache to empty slot {}", slot); return; } if (MetadataFinder.getInstance().getMetadataCache(slot) != null) { logger.info("Not auto-attaching to slot {}; already has a cache attached.", slot); return; } if (MetadataFinder.getInstance().getAutoAttachCacheFiles().isEmpty()) { logger.debug("No auto-attach files configured."); return; } new Thread(new Runnable() { @Override public void run() { try { Thread.sleep(5); // Give us a chance to find out what type of media is in the new mount. final MediaDetails details = MetadataFinder.getInstance().getMediaDetailsFor(slot); if (details != null && details.mediaType == CdjStatus.TrackType.REKORDBOX) { // First stage attempt: See if we can match based on stored media details, which is both more reliable and // less disruptive than trying to sample the player database to compare entries. boolean attached = false; for (File file : MetadataFinder.getInstance().getAutoAttachCacheFiles()) { final MetadataCache cache = new MetadataCache(file); try { if (cache.sourceMedia != null && cache.sourceMedia.hashKey().equals(details.hashKey())) { // We found a solid match, no need to probe tracks. final boolean changed = cache.sourceMedia.hasChanged(details); logger.info("Auto-attaching metadata cache " + cache.getName() + " to slot " + slot + " based on media details " + (changed? "(changed since created)!" : "(unchanged).")); MetadataFinder.getInstance().attachMetadataCacheInternal(slot, cache); attached = true; return; } } finally { if (!attached) { cache.close(); } } } // Could not match based on media details; fall back to older method based on probing track metadata. ConnectionManager.ClientTask<Object> task = new ConnectionManager.ClientTask<Object>() { @Override public Object useClient(Client client) throws Exception { tryAutoAttachingWithConnection(slot, client); return null; } }; ConnectionManager.getInstance().invokeWithClientSession(slot.player, task, "trying to auto-attach metadata cache"); } } catch (Exception e) { logger.error("Problem trying to auto-attach metadata cache for slot " + slot, e); } } }, "Metadata cache file auto-attachment attempt").start(); }
java
static void tryAutoAttaching(final SlotReference slot) { if (!MetadataFinder.getInstance().getMountedMediaSlots().contains(slot)) { logger.error("Unable to auto-attach cache to empty slot {}", slot); return; } if (MetadataFinder.getInstance().getMetadataCache(slot) != null) { logger.info("Not auto-attaching to slot {}; already has a cache attached.", slot); return; } if (MetadataFinder.getInstance().getAutoAttachCacheFiles().isEmpty()) { logger.debug("No auto-attach files configured."); return; } new Thread(new Runnable() { @Override public void run() { try { Thread.sleep(5); // Give us a chance to find out what type of media is in the new mount. final MediaDetails details = MetadataFinder.getInstance().getMediaDetailsFor(slot); if (details != null && details.mediaType == CdjStatus.TrackType.REKORDBOX) { // First stage attempt: See if we can match based on stored media details, which is both more reliable and // less disruptive than trying to sample the player database to compare entries. boolean attached = false; for (File file : MetadataFinder.getInstance().getAutoAttachCacheFiles()) { final MetadataCache cache = new MetadataCache(file); try { if (cache.sourceMedia != null && cache.sourceMedia.hashKey().equals(details.hashKey())) { // We found a solid match, no need to probe tracks. final boolean changed = cache.sourceMedia.hasChanged(details); logger.info("Auto-attaching metadata cache " + cache.getName() + " to slot " + slot + " based on media details " + (changed? "(changed since created)!" : "(unchanged).")); MetadataFinder.getInstance().attachMetadataCacheInternal(slot, cache); attached = true; return; } } finally { if (!attached) { cache.close(); } } } // Could not match based on media details; fall back to older method based on probing track metadata. ConnectionManager.ClientTask<Object> task = new ConnectionManager.ClientTask<Object>() { @Override public Object useClient(Client client) throws Exception { tryAutoAttachingWithConnection(slot, client); return null; } }; ConnectionManager.getInstance().invokeWithClientSession(slot.player, task, "trying to auto-attach metadata cache"); } } catch (Exception e) { logger.error("Problem trying to auto-attach metadata cache for slot " + slot, e); } } }, "Metadata cache file auto-attachment attempt").start(); }
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See if there is an auto-attach cache file that seems to match the media in the specified slot, and if so, attach it. @param slot the player slot that is under consideration for automatic cache attachment
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataCache.java#L776-L835
163,899
Deep-Symmetry/beat-link
src/main/java/org/deepsymmetry/beatlink/data/MetadataCache.java
MetadataCache.gatherCandidateAttachmentGroups
private static Map<Integer, LinkedList<MetadataCache>> gatherCandidateAttachmentGroups() { Map<Integer,LinkedList<MetadataCache>> candidateGroups = new TreeMap<Integer, LinkedList<MetadataCache>>(); final Iterator<File> iterator = MetadataFinder.getInstance().getAutoAttachCacheFiles().iterator(); while (iterator.hasNext()) { final File file = iterator.next(); try { final MetadataCache candidate = new MetadataCache(file); if (candidateGroups.get(candidate.sourcePlaylist) == null) { candidateGroups.put(candidate.sourcePlaylist, new LinkedList<MetadataCache>()); } candidateGroups.get(candidate.sourcePlaylist).add(candidate); } catch (Exception e) { logger.error("Unable to open metadata cache file " + file + ", discarding", e); iterator.remove(); } } return candidateGroups; }
java
private static Map<Integer, LinkedList<MetadataCache>> gatherCandidateAttachmentGroups() { Map<Integer,LinkedList<MetadataCache>> candidateGroups = new TreeMap<Integer, LinkedList<MetadataCache>>(); final Iterator<File> iterator = MetadataFinder.getInstance().getAutoAttachCacheFiles().iterator(); while (iterator.hasNext()) { final File file = iterator.next(); try { final MetadataCache candidate = new MetadataCache(file); if (candidateGroups.get(candidate.sourcePlaylist) == null) { candidateGroups.put(candidate.sourcePlaylist, new LinkedList<MetadataCache>()); } candidateGroups.get(candidate.sourcePlaylist).add(candidate); } catch (Exception e) { logger.error("Unable to open metadata cache file " + file + ", discarding", e); iterator.remove(); } } return candidateGroups; }
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Groups all of the metadata cache files that are candidates for auto-attachment to player slots into lists that are keyed by the playlist ID used to create the cache file. Files that cache all tracks have a playlist ID of 0. @return a map from playlist ID to the caches holding tracks from that playlist
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f958a2a70e8a87a31a75326d7b4db77c2f0b4212
https://github.com/Deep-Symmetry/beat-link/blob/f958a2a70e8a87a31a75326d7b4db77c2f0b4212/src/main/java/org/deepsymmetry/beatlink/data/MetadataCache.java#L948-L965