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File: [Pegasus] / pegasus / src / Pegasus / Repository / SQLiteStore.h
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Revision: 1.7, Tue May 7 05:57:44 2013 UTC (11 years, 2 months ago) by rohini.deshpande Branch: MAIN CVS Tags: preBug9676, postBug9676, TASK-TASK_PEP362_RestfulService_branch-root, TASK-TASK_PEP362_RestfulService_branch-merged_out_from_trunk, TASK-TASK_PEP362_RestfulService_branch-merged_in_to_trunk, TASK-TASK_PEP362_RestfulService_branch-merged_in_from_branch, TASK-TASK_PEP362_RestfulService_branch-branch, TASK-PEP362_RestfulService-root, TASK-PEP362_RestfulService-merged_out_to_branch, TASK-PEP362_RestfulService-merged_out_from_trunk, TASK-PEP362_RestfulService-merged_in_to_trunk, TASK-PEP362_RestfulService-merged_in_from_branch, TASK-PEP362_RestfulService-branch, TASK-PEP317_pullop-merged_out_from_trunk, TASK-PEP317_pullop-merged_in_to_trunk, RELEASE_2_14_1, RELEASE_2_14_0-RC2, RELEASE_2_14_0-RC1, RELEASE_2_14_0, RELEASE_2_14-root, RELEASE_2_14-branch, RELEASE_2_13_0-RC2, RELEASE_2_13_0-RC1, RELEASE_2_13_0-FC, RELEASE_2_13_0, RELEASE_2_13-root, RELEASE_2_13-branch, HEAD, CIMRS_WORK_20130824 Changes since 1.6: +3 -0 lines BUG#: 9414 TITLE: enhance repupgrade to support interop namespace DESCRIPTION: Enhanced repupgrade to support interop namespace |
//%LICENSE//////////////////////////////////////////////////////////////// // // Licensed to The Open Group (TOG) under one or more contributor license // agreements. Refer to the OpenPegasusNOTICE.txt file distributed with // this work for additional information regarding copyright ownership. // Each contributor licenses this file to you under the OpenPegasus Open // Source License; you may not use this file except in compliance with the // License. // // 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_SQLiteStore_h #define Pegasus_SQLiteStore_h #include <Pegasus/Common/Config.h> #include <Pegasus/Common/CommonUTF.h> #include <Pegasus/Common/Mutex.h> #include <Pegasus/Repository/PersistentStore.h> #include <Pegasus/Repository/AssocClassCache.h> #include <Pegasus/Repository/Linkage.h> #include <sqlite3.h> PEGASUS_NAMESPACE_BEGIN /** The DbConnectionManager caches database handles for reuse. It has a fixed maximum cache size (currently 4) and uses an LRU algorithm to determine which entry to evict when a new handle is returned to the cache. Note that multiple handles may be cached for a single namespace (database file). */ class DbConnectionManager { public: DbConnectionManager(const String& repositoryRoot) : _repositoryRoot(repositoryRoot) { } ~DbConnectionManager(); /** Gets a database connection handle for the specified namespace. It may return a handle removed from its cache or a newly opened one. The caller is responsible for cleaning up the dynamic resources for the database connection or returning it to the cache. */ sqlite3* getDbConnection(const CIMNamespaceName& nameSpace); /** Add a database connection handle to the cache. If the cache is full, the least recently used handle is evicted. */ void cacheDbConnection( const CIMNamespaceName& nameSpace, sqlite3* db); /** Converts a namespace name to the database file path which contains the namespace data. */ String getDbPath(const CIMNamespaceName& nameSpace); /** Opens a database handle for the specified file path. This handle is not cached. */ static sqlite3* openDb(const char* fileName); private: class CacheEntry { public: CacheEntry(const CIMNamespaceName& nameSpace_, sqlite3* db_) : nameSpace(nameSpace_), db(db_) { } // Note: The default copy constructor and assignment operator are used. // The caller is responsible for ensuring proper pointer management. CIMNamespaceName nameSpace; sqlite3* db; }; Array<CacheEntry> _cache; Mutex _cacheLock; String _repositoryRoot; }; class PEGASUS_REPOSITORY_LINKAGE SQLiteStore : public PersistentStore { public: static Boolean isExistingRepository(const String& repositoryRoot); SQLiteStore( const String& repositoryRoot, ObjectStreamer* streamer); ~SQLiteStore(); Boolean storeCompleteClassDefinitions() { return false; } Array<NamespaceDefinition> enumerateNameSpaces(); void createNameSpace( const CIMNamespaceName& nameSpace, Boolean shareable, Boolean updatesAllowed, const String& parentNameSpace, const String& remoteInfo); void modifyNameSpace( const CIMNamespaceName& nameSpace, Boolean shareable, Boolean updatesAllowed); void modifyNameSpaceName( const CIMNamespaceName& nameSpace, const CIMNamespaceName& newNameSpaceName); void deleteNameSpace(const CIMNamespaceName& nameSpace); Boolean isNameSpaceEmpty(const CIMNamespaceName& nameSpace); Array<CIMQualifierDecl> enumerateQualifiers( const CIMNamespaceName& nameSpace); /** Gets a qualifier declaration for a specified qualifier name in a specified namespace. Returns an uninitialized object if the qualifier is not found. */ CIMQualifierDecl getQualifier( const CIMNamespaceName& nameSpace, const CIMName& qualifierName); void setQualifier( const CIMNamespaceName& nameSpace, const CIMQualifierDecl& qualifierDecl); void deleteQualifier( const CIMNamespaceName& nameSpace, const CIMName& qualifierName); Array<Pair<String, String> > enumerateClassNames( const CIMNamespaceName& nameSpace); CIMClass getClass( const CIMNamespaceName& nameSpace, const CIMName& className, const CIMName& superClassName); void createClass( const CIMNamespaceName& nameSpace, const CIMClass& newClass, const Array<ClassAssociation>& classAssocEntries); void modifyClass( const CIMNamespaceName& nameSpace, const CIMClass& modifiedClass, const CIMName& oldSuperClassName, Boolean isAssociation, const Array<ClassAssociation>& classAssocEntries); void deleteClass( const CIMNamespaceName& nameSpace, const CIMName& className, const CIMName& superClassName, Boolean isAssociation, const Array<CIMNamespaceName>& dependentNameSpaceNames); Array<CIMObjectPath> enumerateInstanceNamesForClass( const CIMNamespaceName& nameSpace, const CIMName& className); Array<CIMInstance> enumerateInstancesForClass( const CIMNamespaceName& nameSpace, const CIMName& className); CIMInstance getInstance( const CIMNamespaceName& nameSpace, const CIMObjectPath& instanceName); void createInstance( const CIMNamespaceName& nameSpace, const CIMObjectPath& instanceName, const CIMInstance& cimInstance, const Array<InstanceAssociation>& instAssocEntries); void modifyInstance( const CIMNamespaceName& nameSpace, const CIMObjectPath& instanceName, const CIMInstance& cimInstance); void deleteInstance( const CIMNamespaceName& nameSpace, const CIMObjectPath& instanceName); Boolean instanceExists( const CIMNamespaceName& nameSpace, const CIMObjectPath& instanceName); void getClassAssociatorNames( const CIMNamespaceName& nameSpace, const Array<CIMName>& classList, const Array<CIMName>& assocClassList, const Array<CIMName>& resultClassList, const String& role, const String& resultRole, Array<String>& associatorNames); void getClassReferenceNames( const CIMNamespaceName& nameSpace, const Array<CIMName>& classList, const Array<CIMName>& resultClassList, const String& role, Array<String>& referenceNames); void getInstanceAssociatorNames( const CIMNamespaceName& nameSpace, const CIMObjectPath& instanceName, const Array<CIMName>& assocClassList, const Array<CIMName>& resultClassList, const String& role, const String& resultRole, Array<String>& associatorNames); void getInstanceReferenceNames( const CIMNamespaceName& nameSpace, const CIMObjectPath& instanceName, const Array<CIMName>& resultClassList, const String& role, Array<String>& referenceNames); private: void _execDbStatement( sqlite3* db, const char* sqlStatement); void _initSchema(sqlite3* db); void _beginTransaction(sqlite3* db); void _commitTransaction(sqlite3* db); String _getNormalizedName(const CIMName& className) { String cn = className.getString(); cn.toLower(); return cn; } void _initAssocClassCache( const CIMNamespaceName& nameSpace, AssocClassCache* cache); void _addClassAssociationEntries( sqlite3* db, const CIMNamespaceName& nameSpace, const Array<ClassAssociation>& classAssocEntries); void _removeClassAssociationEntries( sqlite3* db, const CIMNamespaceName& nameSpace, const CIMName& assocClassName); void _addInstanceAssociationEntries( sqlite3* db, const CIMNamespaceName& nameSpace, const Array<InstanceAssociation>& instanceAssocEntries); void _removeInstanceAssociationEntries( sqlite3* db, const CIMNamespaceName& nameSpace, const CIMObjectPath& assocInstanceName); String _repositoryRoot; DbConnectionManager _dbcm; ObjectStreamer* _streamer; AssocClassCacheManager _assocClassCacheManager; }; PEGASUS_NAMESPACE_END #endif /* Pegasus_SQLiteStore_h */
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