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64 lines
1.4 KiB
C++
64 lines
1.4 KiB
C++
/* ---------------------------------------------------------------- */
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/* Copyright 2004 (c) by RWTH Aachen - Lehrstuhl fuer Informatik VI */
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/* Richard Zens */
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/* ---------------------------------------------------------------- */
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#ifndef moses_UniqueObject_h
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#define moses_UniqueObject_h
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#include <iostream>
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#include <set>
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template<class T> T const* uniqueObject(const T& x,int mode=0)
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{
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typedef std::set<T> Pool;
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static Pool pool;
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static size_t Size=0;
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if(mode==0) {
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std::pair<typename Pool::iterator,bool> p=pool.insert(x);
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if(p.second && (++Size%100000==0))
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std::cerr<<"uniqueObjects -- size: "<<Size<<" object size: "<<sizeof(T)<<"\n";
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return &(*(p.first));
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} else {
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pool.clear();
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Size=0;
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return 0;
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}
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}
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//! @todo what is this?
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template<class T> class UniqueObjectManager
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{
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public:
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typedef T Object;
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private:
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typedef std::set<T> Pool;
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Pool pool;
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public:
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UniqueObjectManager() {}
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void clear() {
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pool.clear();
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}
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size_t size() const {
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return pool.size();
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}
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Object const * operator()(const Object& x) {
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#ifdef DEBUG
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std::pair<typename Pool::iterator,bool> p=pool.insert(x);
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if(p.second && (size()%100000==0))
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std::cerr<<"uniqueObjects -- size: "<<size()<<" object size: "<<sizeof(Object)<<"\n";
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return &(*(p.first));
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#else
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return &(*(pool.insert(x).first));
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#endif
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}
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};
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#endif
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