/*
 * StorageManager.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_DATAMANAGER_H_
#define MAD_COMMON_DATAMANAGER_H_

#include "export.h"

#include "XmlData.h"

#include <Core/Exception.h>

#include <boost/shared_ptr.hpp>
#include <boost/thread/shared_mutex.hpp>

namespace Mad {
namespace Common {

class Application;
class StorageBackend;

class MAD_COMMON_EXPORT StorageManager {
  private:
    friend class Application;

    Application *application;

    boost::shared_ptr<StorageBackend> backend;

    boost::shared_mutex mutex;

    StorageManager(Application *application0) : application(application0) {}

  public:
    void setBackend(boost::shared_ptr<StorageBackend> newBackend);
    void unsetBackend(boost::shared_ptr<StorageBackend> oldBackend);

    std::set<std::string> listTypes() throw (Core::Exception);
    std::set<std::string> list(const std::string &type) throw (Core::Exception);

    void store(const std::string &type, const std::string &name, const XmlData *data) throw (Core::Exception);
    boost::shared_ptr<XmlData> load(const std::string &type, const std::string &name) throw (Core::Exception);
};

}
}

#endif /* MAD_COMMON_DATAMANAGER_H_ */