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#include <vector>
#include "ExampleStatefulFF.h"
#include "moses/ScoreComponentCollection.h"
#include "moses/Hypothesis.h"
using namespace std;
namespace Moses
{
////////////////////////////////////////////////////////////////
ExampleStatefulFF::ExampleStatefulFF(const std::string &line)
:StatefulFeatureFunction(3, line)
{
ReadParameters();
}
// An empty implementation of this function is provided by StatefulFeatureFunction.
// Unless you are actually implementing this, please remove it from your
// implementation (and the declaration in the header file to reduce code clutter.
void ExampleStatefulFF::EvaluateInIsolation(const Phrase &source
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection &estimatedScores) const
{}
// An empty implementation of this function is provided by StatefulFeatureFunction.
// Unless you are actually implementing this, please remove it from your
// implementation (and the declaration in the header file to reduce code clutter.
void ExampleStatefulFF::EvaluateWithSourceContext(const InputType &input
, const InputPath &inputPath
, const TargetPhrase &targetPhrase
, const StackVec *stackVec
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection *estimatedScores) const
{}
// An empty implementation of this function is provided by StatefulFeatureFunction.
// Unless you are actually implementing this, please remove it from your
// implementation (and the declaration in the header file to reduce code clutter.
void ExampleStatefulFF::EvaluateTranslationOptionListWithSourceContext
(const InputType &input, const TranslationOptionList &translationOptionList) const
{}
FFState* ExampleStatefulFF::EvaluateWhenApplied(
const Hypothesis& cur_hypo,
const FFState* prev_state,
ScoreComponentCollection* accumulator) const
{
// dense scores
vector<float> newScores(m_numScoreComponents);
newScores[0] = 1.5;
newScores[1] = 0.3;
newScores[2] = 0.4;
accumulator->PlusEquals(this, newScores);
// sparse scores
accumulator->PlusEquals(this, "sparse-name", 2.4);
// int targetLen = cur_hypo.GetCurrTargetPhrase().GetSize(); // ??? [UG]
return new ExampleState(0);
}
FFState* ExampleStatefulFF::EvaluateWhenApplied(
const ChartHypothesis& /* cur_hypo */,
int /* featureID - used to index the state in the previous hypotheses */,
ScoreComponentCollection* accumulator) const
{
return new ExampleState(0);
}
void ExampleStatefulFF::SetParameter(const std::string& key, const std::string& value)
{
if (key == "arg") {
// set value here
} else {
StatefulFeatureFunction::SetParameter(key, value);
}
}
}
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