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# iutil/cache.h

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    00001 /*
    00002     Copyright (C) 2002 by Jorrit Tyberghein
    00003
    00004     This library is free software; you can redistribute it and/or
    00005     modify it under the terms of the GNU Library General Public
    00006     License as published by the Free Software Foundation; either
    00007     version 2 of the License, or (at your option) any later version.
    00008
    00009     This library 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 GNU
    00012     Library General Public License for more details.
    00013
    00014     You should have received a copy of the GNU Library General Public
    00015     License along with this library; if not, write to the Free
    00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    00017 */
    00018
    00019 #ifndef __CS_IUTIL_CACHE_H__
    00020 #define __CS_IUTIL_CACHE_H__
    00021
    00022 #include "csutil/ref.h"
    00023 #include "csutil/scf_interface.h"
    00024
    00025 struct iDataBuffer;
    00026
    00052 struct iCacheManager : public virtual iBase
    00053 {
    00054   SCF_INTERFACE(iCacheManager, 2,0,0);
    00060   virtual void SetReadOnly (bool ro) = 0;
    00061
    00065   virtual bool IsReadOnly () const = 0;
    00066
    00071   virtual void SetCurrentType (const char* type) = 0;
    00072
    00076   virtual const char* GetCurrentType () const = 0;
    00077
    00082   virtual void SetCurrentScope (const char* scope) = 0;
    00083
    00087   virtual const char* GetCurrentScope () const = 0;
    00088
    00092   virtual bool CacheData (const void* data, size_t size,
    00093         const char* type, const char* scope, uint32 id) = 0;
    00094
    00101   virtual csPtr<iDataBuffer> ReadCache (
    00102         const char* type, const char* scope, uint32 id) = 0;
    00103
    00115   virtual bool ClearCache (const char* type = 0, const char* scope = 0,
    00116         const uint32* id = 0) = 0;
    00117
    00122   virtual void Flush () = 0;
    00123 };
    00124
    00125 #endif // __CS_IUTIL_CACHE_H__
    00126