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/*
* Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* @file singleton.h
* @author Przemyslaw Dobrowolski (p.dobrowolsk@samsung.com)
* @version 1.0
* @brief This file is the implementation file of singleton
*/
#ifndef CENT_KEY_SINGLETON_H
#define CENT_KEY_SINGLETON_H
#include <symbol-visibility.h>
namespace CKM {
template<typename Class>
class COMMON_API Singleton :
private Class {
//
// Note:
//
// To remove posibility of instantiating directly Class,
// make Class' default constructor protected
//
private:
Singleton() {}
static Singleton &InternalInstance();
public:
virtual ~Singleton() {}
static Class &Instance();
};
} // namespace CKM
#endif // CENT_KEY_SINGLETON_H
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