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File: [Pegasus] / pegasus / src / Pegasus / Repository / AssocClassCache.h
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Revision: 1.8, Thu Nov 20 18:50:48 2008 UTC (15 years, 7 months ago) by kumpf Branch: MAIN Changes since 1.7: +19 -7 lines BUG#: 8168 TITLE: Update SQLiteStore to use AssocClassCache DESCRIPTION: Cache class association data to improve the efficiency of referenceNames operations. |
//%2006//////////////////////////////////////////////////////////////////////// // // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation, The Open Group. // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; // EMC Corporation; VERITAS Software Corporation; The Open Group. // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.; // EMC Corporation; Symantec Corporation; The Open Group. // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to // deal in the Software without restriction, including without limitation the // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or // sell copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // //============================================================================== // //%///////////////////////////////////////////////////////////////////////////// #ifndef Pegasus_AssocClassCache_h #define Pegasus_AssocClassCache_h #include <Pegasus/Common/Config.h> #include <Pegasus/Common/String.h> #include <Pegasus/Common/CIMName.h> #include <Pegasus/Common/ArrayInternal.h> #include <Pegasus/Common/HashTable.h> #include <Pegasus/Repository/PersistentStoreData.h> #include <Pegasus/Repository/Linkage.h> PEGASUS_NAMESPACE_BEGIN class AssocClassCache; /** Maintains association class caches for all namespaces. */ class PEGASUS_REPOSITORY_LINKAGE AssocClassCacheManager { public: AssocClassCacheManager(); ~AssocClassCacheManager(); /** Retrieves the association class cache for the given namespace. */ AssocClassCache* getAssocClassCache(const String& nameSpace); private: Array<AssocClassCache*> _assocClassCacheList; }; /** Maintains a cache for all association classes in a namespace. */ class PEGASUS_REPOSITORY_LINKAGE AssocClassCache { public: AssocClassCache(const String& nameSpace); ~AssocClassCache(); const String& getNameSpace() { return _nameSpace; } /** Retrieve an entry for an association class through direct access via the from class name. */ Boolean getAssocClassEntry( const CIMName& fromClassName, Array<ClassAssociation>& entryList); /** Gets the names of the association classes which reference the specified classes. The results can be constrained by specifying a set of resulting association classes and the property name that refers to the specified class. */ Boolean getReferenceNames( const Array<CIMName>& classList, const Array<CIMName>& resultClassList, const String& role, Array<String>& referenceNames); /** Add a new entry to the association cache. */ Boolean addRecord( const CIMName& fromClassName, const ClassAssociation& assocClassEntry); /** Remove an association record from the association cache specified by the given from class name and association name. */ Boolean removeRecord( const CIMName& fromClassName, const CIMName& assocClassName); /** Remove association records from the association cache specified by the association class name. */ Boolean removeAssocClassRecords( const CIMName& assocClassName); /** Check if the cache is loaded with objects already. */ Boolean isActive(); void setActive(Boolean flag); private: String _nameSpace; Boolean _isInitialized; typedef HashTable<String, Array<ClassAssociation>, EqualNoCaseFunc, HashLowerCaseFunc > AssocClassCacheHashTableType; AssocClassCacheHashTableType _assocTable; }; PEGASUS_NAMESPACE_END #endif /* Pegasus_AssocClassCache_h */
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