mosesdecoder/contrib/other-builds/moses2/TargetPhrase.h

/*
 * TargetPhrase.h
 *
 *  Created on: 26 Apr 2016
 *      Author: hieu
 */

#pragma once
#include "Phrase.h"
#include "System.h"
#include "Scores.h"

namespace Moses2
{

class TargetPhrase: public Phrase<Word>
{
  friend std::ostream& operator<<(std::ostream &, const TargetPhrase &);

public:
  const PhraseTable &pt;
  mutable void **ffData;
  SCORE *scoreProperties;

  TargetPhrase(MemPool &pool, const PhraseTable &pt, const System &system)
  : pt(pt)
  , scoreProperties(NULL)
  {
    m_scores = new (pool.Allocate<Scores>()) Scores(system, pool,
      system.featureFunctions.GetNumScores());
  }


  Scores &GetScores()
  {  return *m_scores; }

  const Scores &GetScores() const
  {  return *m_scores; }

  SCORE GetFutureScore() const
  {  return m_scores->GetTotalScore() + m_estimatedScore; }

  void SetEstimatedScore(const SCORE &value)
  {  m_estimatedScore = value; }

  SCORE *GetScoresProperty(int propertyInd) const
  {    return scoreProperties ? scoreProperties + propertyInd : NULL; }

protected:
  Scores *m_scores;
  SCORE m_estimatedScore;
};

///////////////////////////////////////////////////////////////////////
inline std::ostream& operator<<(std::ostream &out, const TargetPhrase &obj)
{
  out << (const Phrase<Word> &) obj << " SCORES:" << obj.GetScores();
  return out;
}

///////////////////////////////////////////////////////////////////////
struct CompareFutureScore
{
  bool operator()(const TargetPhrase *a, const TargetPhrase *b) const
  {
    return a->GetFutureScore() > b->GetFutureScore();
  }

  bool operator()(const TargetPhrase &a, const TargetPhrase &b) const
  {
    return a.GetFutureScore() > b.GetFutureScore();
  }
};


} /* namespace Moses2a */