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66 lines
2.4 KiB
C++
66 lines
2.4 KiB
C++
/****************************************************************************
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Copyright (c) 2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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namespace se {
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/**
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* This class is used to manage reference-counting providing a simple interface and a counter.
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*
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*/
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class RefCounter
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{
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public:
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/**
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* @brief Increases reference count by one.
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*/
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void incRef();
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/**
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* @brief Decrements the reference count, if it reaches zero, destroys this instance of RefCounter to release its memory.
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* @note Please note that after calling this function, the caller should absolutely avoid to use the pointer to this instance since it may not be valid anymore.
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*/
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void decRef();
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/**
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* @brief Gets reference count.
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* @return The reference count.
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* @note When this goes to zero during a decRef() call, the object will auto-delete itself.
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*/
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unsigned int getRefCount();
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protected:
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// Default constructor
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// Initialises the internal reference count to 1.
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RefCounter();
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// Destructor
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virtual ~RefCounter();
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private:
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unsigned int _refCount;
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};
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} // namespace se {
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