CTK
0.1.0
The Common Toolkit is a community effort to provide support code for medical image analysis, surgical navigation, and related projects.
Libs
Core
ctkSingleton.h
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/*=========================================================================
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Library: CTK
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Copyright (c) Kitware Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0.txt
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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=========================================================================*/
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#ifndef __ctkSingleton_h
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#define __ctkSingleton_h
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//
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//
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//
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//
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//-----------------------------------------------------------------------------
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#define CTK_SINGLETON_DECLARE(NAME) \
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static NAME* Instance; \
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static void classInitialize(); \
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static void classFinalize(); \
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friend class NAME##Initialize; \
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typedef NAME Self;
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//-----------------------------------------------------------------------------
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//
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//
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#define CTK_SINGLETON_DECLARE_INITIALIZER(EXPORT_DIRECTIVE,NAME) \
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class EXPORT_DIRECTIVE NAME##Initialize \
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{ \
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public: \
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typedef NAME##Initialize Self; \
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\
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NAME##Initialize(); \
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~NAME##Initialize(); \
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private: \
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static unsigned int Count; \
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}; \
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\
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static NAME##Initialize NAME##Initializer;
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//-----------------------------------------------------------------------------
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//
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//
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//
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#define CTK_SINGLETON_DEFINE_INITIALIZER(NAME) \
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NAME##Initialize::NAME##Initialize() \
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{ \
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if(++Self::Count == 1) \
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{ NAME::classInitialize(); } \
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} \
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\
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NAME##Initialize::~NAME##Initialize() \
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{ \
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if(--Self::Count == 0) \
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{ NAME::classFinalize(); } \
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} \
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\
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unsigned int NAME##Initialize::Count; \
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NAME* NAME::Instance;
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//----------------------------------------------------------------------------
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//
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//
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#define CTK_SINGLETON_DEFINE(NAME) \
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void NAME::classInitialize() \
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{ \
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Self::Instance = new NAME; \
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} \
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\
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void NAME::classFinalize() \
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{ \
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delete Self::Instance; \
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} \
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\
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CTK_SINGLETON_DEFINE_INITIALIZER(NAME)
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#endif
//__ctkSingleton_h
Generated on Mon Aug 9 2021 00:00:00 for CTK by
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