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'''
This file is part of PM4Py (More Info: https://pm4py.fit.fraunhofer.de).
PM4Py is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
PM4Py is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with PM4Py. If not, see <https://www.gnu.org/licenses/>.
'''
from enum import Enum
from pm4py.util import exec_utils, constants, xes_constants
from pm4py.objects.log.obj import Trace
from typing import Optional, Dict, Any
class Parameters(Enum):
INCLUDE_CASE_ATTRIBUTES = "include_case_attributes"
INCLUDE_EVENT_ATTRIBUTES = "include_event_attributes"
INCLUDE_TIMESTAMP = "include_timestamp"
INCLUDE_HEADER = "include_header"
ACTIVITY_KEY = constants.PARAMETER_CONSTANT_ACTIVITY_KEY
TIMESTAMP_KEY = constants.PARAMETER_CONSTANT_TIMESTAMP_KEY
def apply(case: Trace, parameters: Optional[Dict[Any, Any]] = None) -> str:
"""
Provides a textual abstraction of a single case (Trace object) of a traditional event log
Parameters
---------------
case
Single case (Trace object) of a traditional event log
parameters
Parameters of the method, including:
- Parameters.INCLUDING_CASE_ATTRIBUTES
- Parameters.INCLUDE_EVENT_ATTRIBUTES
- Parameters.INCLUDE_TIMESTAMP
- Parameters.INCLUDE_HEADER => includes the header (or not) in the response)
- Parameters.ACTIVITY_KEY => the attribute to be used as activity
- Parameters.TIMESTAMP_KEY => the attribute to be used as timestamp
Returns
---------------
stru
Textual abstraction of the case
"""
if parameters is None:
parameters = {}
include_case_attributes = exec_utils.get_param_value(Parameters.INCLUDE_CASE_ATTRIBUTES, parameters, True)
include_event_attributes = exec_utils.get_param_value(Parameters.INCLUDE_EVENT_ATTRIBUTES, parameters, True)
include_timestamp = exec_utils.get_param_value(Parameters.INCLUDE_TIMESTAMP, parameters, True)
include_header = exec_utils.get_param_value(Parameters.INCLUDE_HEADER, parameters, True)
activity_key = exec_utils.get_param_value(Parameters.ACTIVITY_KEY, parameters, xes_constants.DEFAULT_NAME_KEY)
timestamp_key = exec_utils.get_param_value(Parameters.TIMESTAMP_KEY, parameters, xes_constants.DEFAULT_TIMESTAMP_KEY)
ret = ["\n"]
if include_header:
ret.append("If I have a case")
if include_case_attributes:
ret.append(" with the following (case) attributes:")
ret.append("")
ret.append("\n")
if include_case_attributes:
for k, v in case.attributes.items():
ret.append("\n%s = %s" % (str(k), str(v)))
ret.append("\n\n")
if include_header:
ret.append("\nthe case contains the following events (the activity of the event is reported first):\n\n")
for ev in case:
stru = "%s " % (ev[activity_key])
ev_attrs = sorted([str(x) for x in ev if x not in [activity_key, timestamp_key]])
if include_timestamp or (ev_attrs and include_event_attributes):
stru += "("
if include_timestamp:
stru += " timestamp = " + str(ev[timestamp_key]) + " ; "
if include_event_attributes and ev_attrs:
for attr in ev_attrs:
stru += " " + attr + " = " + str(ev[attr]) + " ; "
stru += ")"
stru += "\n"
ret.append(stru)
ret.append("\n")
return "".join(ret)
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