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/*
* StorageBackend.h
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MAD_COMMON_STORAGEBACKEND_H_
#define MAD_COMMON_STORAGEBACKEND_H_
#include "XmlData.h"
#include <Core/Exception.h>
#include <boost/shared_ptr.hpp>
#include <set>
namespace Mad {
namespace Common {
class StorageManager;
class StorageBackend {
protected:
friend class StorageManager;
virtual std::set<std::string> listTypes() throw (Core::Exception) = 0;
virtual std::set<std::string> list(const std::string &type) throw (Core::Exception) = 0;
virtual bool exists(const std::string &type, const std::string &name) throw (Core::Exception) {
return (list(type).count(name) > 0);
}
virtual void store(const std::string &type, const std::string &name, const XmlData *data) throw (Core::Exception) = 0;
virtual boost::shared_ptr<XmlData> load(const std::string &type, const std::string &name) throw (Core::Exception) = 0;
virtual void remove(const std::string &type, const std::string &name) throw (Core::Exception) = 0;
public:
virtual ~StorageBackend() {}
};
}
}
#endif /* MAD_COMMON_STORAGEBACKEND_H_ */
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