67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
/*
|
|
* Copyright (C) 2020, Tianjin KYLIN Information Technology Co., Ltd.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 3, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
#ifndef OBJECT_POOL_H
|
|
#define OBJECT_POOL_H
|
|
#include<list>
|
|
template<typename Object>
|
|
class ObjectPool
|
|
{
|
|
public:
|
|
ObjectPool(size_t unSize):m_unSize(unSize)
|
|
{
|
|
for(size_t unIdx=0;unIdx<m_unSize;++unIdx)
|
|
{
|
|
m_oPool.push_back(new Object());
|
|
}
|
|
}
|
|
~ObjectPool()
|
|
{
|
|
typename std::list<Object*>::iterator iter=m_oPool.begin();
|
|
while(iter!=m_oPool.end())
|
|
{
|
|
delete(*iter);
|
|
++iter;
|
|
}
|
|
m_unSize=0;
|
|
}
|
|
Object* GetObject()
|
|
{
|
|
Object* pObj=NULL;
|
|
if(0==m_unSize)
|
|
{
|
|
pObj=new Object();
|
|
}
|
|
else
|
|
{
|
|
pObj=m_oPool.front();
|
|
m_oPool.pop_front();
|
|
--m_unSize;
|
|
}
|
|
return pObj;
|
|
}
|
|
void returnObject(Object* pObj)
|
|
{
|
|
m_oPool.push_back(pObj);
|
|
++m_unSize;
|
|
}
|
|
private:
|
|
size_t m_unSize;
|
|
std::list<Object*>m_oPool;
|
|
};
|
|
#endif // OBJECT_POOL_H
|