SBcacheEntry.hpp
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上传日期:2022-05-21
资源大小:1764k
文件大小:4k
源码类别:
xml/soap/webservice
开发平台:
Visual C++
- /****************License************************************************
- * Vocalocity OpenVXI
- * Copyright (C) 2004-2005 by Vocalocity, Inc. All Rights Reserved.
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- * Vocalocity, the Vocalocity logo, and VocalOS are trademarks or
- * registered trademarks of Vocalocity, Inc.
- * OpenVXI is a trademark of Scansoft, Inc. and used under license
- * by Vocalocity.
- ***********************************************************************/
- // -----1=0-------2=0-------3=0-------4=0-------5=0-------6=0-------7=0-------8
- #ifndef _SBCACHE_ENTRY_H__
- #define _SBCACHE_ENTRY_H__
- #include <time.h> // for time_t
- #include "VXIcache.h" // For VXIcacheResult, CACHE_[...]
- #include "SBcacheMisc.hpp" // For SBcacheString, SBcacheKey, SBcachePath
- // Forward declarations
- extern "C" struct VXIlogInterface;
- class SBcacheEntryDetails;
- // SBcacheEntry, cache entry
- class SBcacheEntry {
- public:
- // Constructor and destructor
- SBcacheEntry( ) : _details(NULL) { }
- SBcacheEntry (SBcacheEntryDetails *details);
- virtual ~SBcacheEntry( );
- // Create the entry
- VXIcacheResult Create(VXIlogInterface *log,
- VXIunsigned diagTagBase,
- SBcacheMutex *refCountMutex);
- // Open the entry
- VXIcacheResult Open(VXIlogInterface *log,
- const SBcacheString &moduleName,
- const SBcacheKey &key,
- const SBcachePath &path,
- VXIcacheOpenMode mode,
- VXIint32 flags,
- VXIulong maxSizeBytes,
- const VXIMap *properties,
- VXIMap *streamInfo,
- VXIcacheStream **stream);
- // Unlock the entry
- VXIcacheResult Unlock(VXIlogInterface *log);
- // Accessors
- bool IsLocked( ) const;
- bool IsExpired (time_t cutoffTime, time_t *lastAccessed) const;
- const SBcacheKey & GetKey( ) const;
- const SBcachePath & GetPath( ) const;
- VXIulong GetSizeBytes (bool haveEntryOpen = false) const;
- // Error logging
- VXIlogResult LogIOError (VXIunsigned errorID) const;
- // Copy constructor and assignment operator
- SBcacheEntry(const SBcacheEntry &entry);
- SBcacheEntry &operator=(const SBcacheEntry &entry);
- // Comparison operators, smaller is defined as a preference for
- // deleting this entry first, equality is having equal preference
- bool operator< (const SBcacheEntry &entry) const;
- bool operator> (const SBcacheEntry &entry) const;
- bool operator== (const SBcacheEntry &entry) const;
- bool operator!= (const SBcacheEntry &entry) const;
- bool Equivalent(const SBcacheEntry &other) const { return _details == other._details; }
- public:
- // Only for SBcacheStream use
- // Close
- VXIcacheResult Close (VXIlogInterface *log,
- VXIcacheOpenMode mode,
- VXIunsigned sizeBytes,
- bool invalidate);
- private:
- SBcacheEntryDetails *_details;
- };
- #endif /* include guard */