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/*
* SingletonPtr.h
*
* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MAD_COMMON_SINGLETONPTR_H_
#define MAD_COMMON_SINGLETONPTR_H_
#include "Initializable.h"
#include "Configurable.h"
#include "ConfigManager.h"
namespace Mad {
namespace Common {
template <typename T>
class SingletonPtr : public virtual Initializable {
private:
T *ptr;
protected:
virtual void doInit() {
ptr = new T();
Initializable *in = dynamic_cast<Initializable*>(ptr);
if(in) {
in->initialized = true;
in->doInit();
}
Configurable *c = dynamic_cast<Configurable*>(ptr);
if(c)
ConfigManager::get()->registerConfigurable(c);
if(in) {
initializing = false;
initialized = true;
}
}
virtual void doDeinit() {
Configurable *c = dynamic_cast<Configurable*>(ptr);
if(c)
ConfigManager::get()->unregisterConfigurable(c);
Initializable *in = dynamic_cast<Initializable*>(ptr);
if(in) {
in->doDeinit();
in->initialized = false;
}
delete ptr;
ptr = 0;
}
public:
SingletonPtr() : ptr(0) {}
T *get() {
if(!ptr)
init();
return ptr;
}
};
}
}
#endif /* MAD_COMMON_SINGLETONPTR_H_ */
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