mosesdecoder/moses/FF/ControlRecombination.h
2013-07-25 15:23:05 +01:00

59 lines
1.3 KiB
C++

#pragma once
#include <string>
#include "StatefulFeatureFunction.h"
#include "moses/FF/FFState.h"
namespace Moses
{
class ControlRecombinationState;
// force hypotheses NOT to recombine. For forced decoding
class ControlRecombination : public StatefulFeatureFunction
{
public:
enum Type {
None,
Output,
Segmentation
};
ControlRecombination(const std::string &line);
bool IsUseable(const FactorMask &mask) const {
return true;
}
virtual FFState* Evaluate(
const Hypothesis& cur_hypo,
const FFState* prev_state,
ScoreComponentCollection* accumulator) const;
virtual FFState* EvaluateChart(
const ChartHypothesis& /* cur_hypo */,
int /* featureID - used to index the state in the previous hypotheses */,
ScoreComponentCollection* accumulator) const;
//! return the state associated with the empty hypothesis for a given sentence
virtual const FFState* EmptyHypothesisState(const InputType &input) const;
void SetParameter(const std::string& key, const std::string& value);
protected:
Type m_type;
};
class ControlRecombinationState : public FFState
{
protected:
const Hypothesis *m_hypo;
public:
ControlRecombinationState();
ControlRecombinationState(const Hypothesis *hypo);
int Compare(const FFState& other) const;
};
} // namespace