itemvisitor.h

在Linux下做的QuadTree的程序

/**********************************************************************
 * $Id: ItemVisitor.h 1820 2006-09-06 16:54:23Z mloskot $
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.refractions.net
 *
 * Copyright (C) 2006 Refractions Research Inc.
 * Copyright (C) 2001-2002 Vivid Solutions Inc.
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU Lesser General Public Licence as published
 * by the Free Software Foundation. 
 * See the COPYING file for more information.
 *
 **********************************************************************/

#ifndef GEOS_INDEX_ITEMVISITOR_H
#define GEOS_INDEX_ITEMVISITOR_H

namespace geos {
namespace index {

/** \brief
 * A visitor for items in an index.
 *
 * Last port: index/ItemVisitor.java rev. 1.2 (JTS-1.7)
 */
class ItemVisitor {
public:
	virtual void visitItem(void *)=0;

	virtual ~ItemVisitor() {}
};

} // namespace geos.index
} // namespace geos

#endif // GEOS_INDEX_ITEMVISITOR_H