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/*
Copyright (C) 2000 Stefan Westerfeld
stefan@space.twc.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef FACTORY_H
#define FACTORY_H
#include <string>
#include "arts_export.h"
#include "object.h"
#include "startupmanager.h"
/*
* BC - Status (2002-03-08): Factory
*
* Will need to remain binary compatible (REGISTER_IMPLEMENTATION), d ptr
* provided for convenience, watch out for interactions with generated
* code.
*/
namespace Arts {
class FactoryPrivate;
class ARTS_EXPORT Factory : public StartupClass {
private:
FactoryPrivate *d;
public:
void startup();
void shutdown();
virtual Object_skel *createInstance() = 0;
virtual std::string interfaceName() = 0;
};
/*
* Dont's forget to place a semicolon after the use of this macro,
* like:
* REGISTER_IMPLEMENTATION(MyClass);
*/
#define REGISTER_IMPLEMENTATION(impl) \
class impl ## _Factory : virtual public Arts::Factory { \
public: \
std::string interfaceName() { return impl::_interfaceNameSkel(); } \
Arts::Object_skel *createInstance() { return new impl ; } \
} The_ ## impl ## _Factory
}
#endif
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