mosesdecoder/moses/TranslationModel/PhraseDictionaryTreeAdaptor.h

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// $Id$
#ifndef moses_PhraseDictionaryTreeAdaptor_h
#define moses_PhraseDictionaryTreeAdaptor_h
#include <vector>
#include "util/check.hh"
#include "moses/TypeDef.h"
#include "moses/TargetPhraseCollection.h"
#include "moses/TranslationModel/PhraseDictionaryMemory.h"
namespace Moses
{
class Phrase;
class PDTAimp;
class WordsRange;
class InputType;
/*** Implementation of a phrase table in a trie that is binarized and
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* stored on disk. Wrapper around PDTAimp class
*/
class PhraseDictionaryTreeAdaptor : public PhraseDictionary
{
typedef PhraseDictionary MyBase;
PDTAimp *imp;
friend class PDTAimp;
PhraseDictionaryTreeAdaptor();
PhraseDictionaryTreeAdaptor(const PhraseDictionaryTreeAdaptor&);
void operator=(const PhraseDictionaryTreeAdaptor&);
public:
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PhraseDictionaryTreeAdaptor(const std::string &line);
virtual ~PhraseDictionaryTreeAdaptor();
// enable/disable caching
// you enable caching if you request the target candidates for a source phrase multiple times
// if you do caching somewhere else, disable it
// good settings for current Moses: disable for first factor, enable for other factors
// default: enable
void EnableCache();
void DisableCache();
// initialize ...
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bool InitDictionary();
// get translation candidates for a given source phrase
// returns null pointer if nothing found
TargetPhraseCollection const* GetTargetPhraseCollection(Phrase const &src) const;
TargetPhraseCollection const* GetTargetPhraseCollection(InputType const& src,WordsRange const & srcRange) const;
virtual void InitializeForInput(InputType const& source);
virtual ChartRuleLookupManager *CreateRuleLookupManager(
const InputType &,
const ChartCellCollectionBase &) {
CHECK(false);
return 0;
}
};
}
#endif