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add Bitmaps class to store cache possible bitmaps

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This commit is contained in:
Hieu Hoang 2015-10-18 01:19:35 +01:00
parent 55698d15bc
commit 063387bbe0
2 changed files with 35 additions and 2 deletions
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26
moses/Bitmaps.cpp
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@ -0,0 +1,26 @@
#include "Bitmaps.h"
#include "Util.h"
namespace Moses
{
Bitmaps::~Bitmaps()
{
RemoveAllInColl(m_coll);
}
const WordsBitmap &Bitmaps::GetBitmap(const WordsBitmap &bm)
{
Coll::const_iterator iter = m_coll.find(&bm);
if (iter == m_coll.end()) {
WordsBitmap *newBM = new WordsBitmap(bm);
m_coll.insert(newBM);
return *newBM;
}
else {
return **iter;
}
}
}

11
moses/Bitmaps.h
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@ -4,11 +4,18 @@
#include "WordsBitmap.h"
#include "Util.h"
namespace Moses
{
class Bitmaps
{
typedef boost::unordered_set<WordsBitmap*, UnorderedComparer<WordsBitmap>, UnorderedComparer<WordsBitmap> > Coll;
typedef boost::unordered_set<const WordsBitmap*, UnorderedComparer<WordsBitmap>, UnorderedComparer<WordsBitmap> > Coll;
Coll m_coll;
public:
const WordsBitmap &GetBitmap();
virtual ~Bitmaps();
const WordsBitmap &GetBitmap(const WordsBitmap &bm);
};
}