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// $Id$
// vim:tabstop=2
/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2006 University of Edinburgh
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
***********************************************************************/
#ifndef moses_PhraseDictionaryMemory_h
#define moses_PhraseDictionaryMemory_h
#include "PhraseDictionary.h"
#include "PhraseDictionaryNode.h"
namespace Moses
{
/*** Implementation of a phrase table in a trie. Looking up a phrase of
* length n words requires n look-ups to find the TargetPhraseCollection.
*/
class PhraseDictionaryMemory : public PhraseDictionary
{
typedef PhraseDictionary MyBase;
friend std::ostream& operator<<(std::ostream&, const PhraseDictionaryMemory&);
protected:
PhraseDictionaryNode m_collection;
TargetPhraseCollection *CreateTargetPhraseCollection(const Phrase &source);
public:
PhraseDictionaryMemory(size_t numScoreComponent, PhraseDictionaryFeature* feature)
: PhraseDictionary(numScoreComponent,feature) {}
virtual ~PhraseDictionaryMemory();
bool Load(const std::vector<FactorType> &input
, const std::vector<FactorType> &output
, const std::string &filePath
, const std::vector<float> &weight
, size_t tableLimit
, const LMList &languageModels
, float weightWP);
const TargetPhraseCollection *GetTargetPhraseCollection(const Phrase &source) const;
// for mert
virtual void InitializeForInput(InputType const&) {
/* Don't do anything source specific here as this object is shared between threads.*/
}
virtual ChartRuleLookupManager *CreateRuleLookupManager(
const InputType &,
const ChartCellCollection &) {
CHECK(false);
return 0;
}
TO_STRING();
};
}
#endif
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