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ipersistent_collection.h
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2008-11-07
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#ifndef K3DSDK_IPERSISTENT_COLLECTION_H
#define K3DSDK_IPERSISTENT_COLLECTION_H
// K-3D
// Copyright (c) 1995-2008, Timothy M. Shead
//
// Contact: tshead@k-3d.com
//
// 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 2 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, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
/** \file
\author Tim Shead (tshead@k-3d.com)
*/
#include "iunknown.h"
#include "types.h"
#include <vector>
namespace k3d
{
class ipersistent;
/// Encapsulates a collection of named, serializable objects.
class ipersistent_collection :
public virtual iunknown
{
public:
/// Add a serializable object to the collection, specifying its name. Note that names are constrained to be unique within the collection.
virtual void enable_serialization(const string_t& Name, ipersistent& Object) = 0;
/// Remove a serializable object from the collection.
virtual void disable_serialization(ipersistent& Object) = 0;
/// Returns the set of serializable objects and their names, in the order they were added.
virtual const std::vector<std::pair<string_t, ipersistent*> > persistent_objects() = 0;
protected:
ipersistent_collection() {}
ipersistent_collection(const ipersistent_collection&) {}
ipersistent_collection& operator=(const ipersistent_collection&) { return *this; }
virtual ~ipersistent_collection() {}
};
} // namespace k3d
#endif // !K3DSDK_IPERSISTENT_COLLECTION_H