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nulcache.h

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00001 /*
00002     Copyright (C) 2002 by Frank Richter
00003 
00004     This program is free software; you can redistribute it and/or modify
00005     it under the terms of the GNU General Public License as published by
00006     the Free Software Foundation; either version 2 of the License, or
00007     (at your option) any later version.
00008 
00009     This program is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012     GNU General Public License for more details.
00013 
00014     You should have received a copy of the GNU General Public License
00015     along with this program; if not, write to the Free Software
00016     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_UTIL_NULCACHE_H__
00020 #define __CS_UTIL_NULCACHE_H__
00021 
00025 #include "iutil/cache.h"
00026 
00030 class csNullCacheManager : public iCacheManager
00031 {
00032 private:
00033 public:
00037   csNullCacheManager ();
00038 
00039   virtual ~csNullCacheManager ();
00040 
00041   SCF_DECLARE_IBASE;
00042 
00046   virtual void SetCurrentType (const char* type);
00050   virtual const char* GetCurrentType () const { return NULL; }
00054   virtual void SetCurrentScope (const char* scope);
00058   virtual const char* GetCurrentScope () const { return NULL; }
00062   virtual bool CacheData (void* data, uint32 size,
00063         const char* type, const char* scope, uint32 id);
00067   virtual csPtr<iDataBuffer> ReadCache (const char* type, const char* scope,
00068         uint32 id);
00072   virtual bool ClearCache (const char* type = NULL, const char* scope = NULL,
00073         const uint32* id = NULL);
00074 };
00075 
00076 #endif // __CS_UTIL_NULCACHE_H__
00077 

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