00001 /********************************************************************** 00002 * $Id: ItemVisitor.h 2556 2009-06-06 22:22:28Z strk $ 00003 * 00004 * GEOS - Geometry Engine Open Source 00005 * http://geos.refractions.net 00006 * 00007 * Copyright (C) 2006 Refractions Research Inc. 00008 * Copyright (C) 2001-2002 Vivid Solutions Inc. 00009 * 00010 * This is free software; you can redistribute and/or modify it under 00011 * the terms of the GNU Lesser General Public Licence as published 00012 * by the Free Software Foundation. 00013 * See the COPYING file for more information. 00014 * 00015 **********************************************************************/ 00016 00017 #ifndef GEOS_INDEX_ITEMVISITOR_H 00018 #define GEOS_INDEX_ITEMVISITOR_H 00019 00020 #include <geos/export.h> 00021 00022 namespace geos { 00023 namespace index { 00024 00030 class GEOS_DLL ItemVisitor { 00031 public: 00032 virtual void visitItem(void *)=0; 00033 00034 virtual ~ItemVisitor() {} 00035 }; 00036 00037 } // namespace geos.index 00038 } // namespace geos 00039 00040 #endif // GEOS_INDEX_ITEMVISITOR_H 00041