xobjectpool.h

HTTP 搜索代码

#pragma once
#include "xmemory.h"
#include "xvector.h"

const DWORD OBJECT_POOL_MAGIC = 'XOP1';

template <class T, DWORD dwMaxCount = 65536>
class xObjectPool :
	public xFixedMemPool
{
public:
	xObjectPool( DWORD dwMagic = OBJECT_POOL_MAGIC ) : xFixedMemPool( sizeof( T ), dwMaxCount, dwMagic )
	{}

	~xObjectPool()
	{}

	T * newObject()
	{ 
		T * pt = (T*)newElement(); 
		if( pt == NULL )
			return NULL;

		return CALL_CON( pt );
	}

	void deleteObject( const T * pt )
	{
		if( pt == NULL || 
			!isInPool( pt ) )
			return;
		CALL_DEC( pt );
		delElement( (BYTE*)pt );
	}

	bool isInPool( const T * pt )
	{
		return isElement( (BYTE*)pt );
	}
};

template <class T>
class xUnlimitedObjectPool
{
	typedef xObjectPool<T, 1024> TOBJPOOL;
	xVector<TOBJPOOL, 1024> m_vPools;
public:
	T * newObject()
	{
		for( int i = 0;i < m_vPools.size();i ++ )
		{
			if( !m_vPools.full() )
				return m_vPools[i].newObject();
		}
		m_vPools.push_back_empty();
		return m_vPools[m_vPools.size()-1].newObject();
	}

	void deleteObject( const T * pt )
	{
		for( int i = 0;i < m_vPools.size();i ++ )
		{
			if( m_vPools[i].isInPool( pt ) )
			{
				m_vPools[i].deleteObject( pt );
				return;
			}
		}
	}

	bool isInPool( const T * pt )
	{
		for( int i = 0;i < m_vPools.size();i ++ )
		{
			if( m_vPools[i].isInPool( pt ) )
			{
				return TRUE;
			}
		}
		return FALSE;
	}

};