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| #ifndef STATEFULFEATUREFUNCTION_H_ |
| #define STATEFULFEATUREFUNCTION_H_ |
|
|
| #include "FeatureFunction.h" |
| #include "FFState.h" |
| #include "../MemPool.h" |
|
|
| namespace Moses2 |
| { |
|
|
| class Hypothesis; |
| class InputType; |
|
|
| namespace SCFG |
| { |
| class Hypothesis; |
| class Manager; |
| } |
|
|
| class StatefulFeatureFunction: public FeatureFunction |
| { |
| public: |
| StatefulFeatureFunction(size_t startInd, const std::string &line); |
| virtual ~StatefulFeatureFunction(); |
|
|
| void SetStatefulInd(size_t ind) { |
| m_statefulInd = ind; |
| } |
| size_t GetStatefulInd() const { |
| return m_statefulInd; |
| } |
|
|
| |
| virtual FFState* BlankState(MemPool &pool, const System &sys) const = 0; |
|
|
| |
| virtual void EmptyHypothesisState(FFState &state, const ManagerBase &mgr, |
| const InputType &input, const Hypothesis &hypo) const = 0; |
|
|
| virtual void EvaluateWhenApplied(const ManagerBase &mgr, |
| const Hypothesis &hypo, const FFState &prevState, Scores &scores, |
| FFState &state) const = 0; |
|
|
| virtual void EvaluateWhenApplied(const SCFG::Manager &mgr, |
| const SCFG::Hypothesis &hypo, int featureID, Scores &scores, |
| FFState &state) const = 0; |
|
|
| virtual void EvaluateWhenAppliedBatch( |
| const System &system, |
| const Batch &batch) const; |
|
|
| protected: |
| size_t m_statefulInd; |
|
|
| }; |
|
|
| } |
|
|
| #endif |
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|
