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#pragma once
#include "StatelessFeatureFunction.h"
namespace Moses
{
class DecodeStep;
/**
* Baseclass for phrase-table or generation table feature function
**/
class HyperParameterAsWeight : public StatelessFeatureFunction
{
public:
HyperParameterAsWeight(const std::string &line);
virtual bool IsUseable(const FactorMask &mask) const {
return true;
}
virtual void EvaluateInIsolation(const Phrase &source
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection &estimatedScores) const {
}
virtual void EvaluateWithSourceContext(const InputType &input
, const InputPath &inputPath
, const TargetPhrase &targetPhrase
, const StackVec *stackVec
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection *estimatedScores = NULL) const {
}
virtual void EvaluateTranslationOptionListWithSourceContext(const InputType &input
, const TranslationOptionList &translationOptionList) const {
}
virtual void EvaluateWhenApplied(const Hypothesis& hypo,
ScoreComponentCollection* accumulator) const {
}
/**
* Same for chart-based features.
**/
virtual void EvaluateWhenApplied(const ChartHypothesis &hypo,
ScoreComponentCollection* accumulator) const {
}
};
} // namespace
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