| VRS - The Virtual Rendering System |
| version 3.3 |
00001 /****************************************************************************** 00002 * VRS - The Virtual Rendering System 00003 * Copyright (C) 2000-2007 Computer Graphics Systems Group at the 00004 * Hasso-Plattner-Institute (HPI), Potsdam, Germany. 00005 * 00006 * This library is free software; you can redistribute it and/or modify it 00007 * under the terms of the GNU Lesser General Public License as published by 00008 * the Free Software Foundation; either version 2.1 of the License, or (at 00009 * your option) any later version. This library is distributed in the hope 00010 * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied 00011 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU Lesser General Public License for more details. You should have received 00013 * a copy of the GNU Lesser+ General Public License along with this library; if 00014 * not, write to the FreeSoftware Foundation, Inc., 59 Temple Place, Suite 330, 00015 * Boston, MA, 02111-1307, USA. 00016 ******************************************************************************/ 00017 00018 // $Id: $ 00019 00020 #ifndef VRS_IO_CACHEDOBJECTREADER_H 00021 #define VRS_IO_CACHEDOBJECTREADER_H 00022 00023 #include <vrs/io/objectreader.h> 00024 00025 namespace VRS { 00026 00027 class VRS_CORE_API CachedObjectReader : 00028 public ObjectReader 00029 { 00030 public: 00031 VRS_TYPEINFO(CachedObjectReader, ObjectReader); 00032 00033 virtual SO<SharedObj> read(DataResource* resource, const ID& targetType) const; 00034 00035 virtual const char* objectFormatName() const { return ""; } 00036 virtual const char* objectFileSuffix() const { return ""; } 00037 00038 virtual double priority() const { return +1000.0; } // very high priority 00039 00040 virtual bool canProduce(const ID&) const; 00041 00042 static void AddObject(const std::string& uri, SO<SharedObj> obj); 00043 static void RemoveObject(const std::string& uri); 00044 static void ClearCache(); 00045 00046 static bool IsEnabled(); 00047 static void Enable(bool yesNo); // default is: not enabled! 00048 00049 }; // class CachedObjectReader 00050 00051 } // namespace VRS 00052 00053 #endif // VRS_IO_CACHEDOBJECTREADER_H