75 lines
1.5 KiB
C
75 lines
1.5 KiB
C
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/**
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* @file PaiObjectRecycler.h
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* @brief 数据树结点回收站，当调用PaiObject的Delete函数后，还对象并不会被立即释放，而是会被放入该回收站，该回收站会管理被删掉的对象的声明周期
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* @date 2011-09-17
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*/
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#ifndef PAI_FRAME_IOBJECTMODEL_PAIOBJECTRECYCLER_H
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#define PAI_FRAME_IOBJECTMODEL_PAIOBJECTRECYCLER_H
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#include <QList>
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#include <QObject>
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#include "Turtle.h"
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namespace pai
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{
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namespace objectmodel
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{
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class PaiObject;
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}
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}
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namespace pai
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{
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namespace objectmodel
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{
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/**
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* @class PaiObjectRecycler
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* @brief 数据树结点回收站
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*/
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class PAI_OBJECTMODEL_EXPORT PaiObjectRecycler : public QObject
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{
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Q_OBJECT
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public:
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/**
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* @brief 构造函数
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*/
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PaiObjectRecycler();
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/**
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* @brief 虚析构函数
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*/
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virtual ~PaiObjectRecycler();
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/**
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*@brief 将数据树上删除的结点放进回收站
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*@param[in] pChild 被删除的孩子
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*/
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void Push(PaiObject *pChild);
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/**
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* @brief 获得当前回收站中的对象个数
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* @return 当前回收站中的对象个数
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*/
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int GetObjectsCount() const;
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private:
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/**
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*@brief 判断回收站中是否存在孩子结点
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*@param[in] pChild 被删除的孩子
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*/
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bool IsExist(PaiObject *pChild);
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/**
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*@brief 清空回收站
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*/
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void Clear();
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private:
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QList< pai::objectmodel::PaiObject* > m_DeletedObjects; //回收站中对象列表
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};
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}
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}
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#endif ///< PAI_FRAME_IOBJECTMODEL_PAIOBJECTRECYCLER_H
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