00001 /* 00002 * This file is part of Soprano Project. 00003 * 00004 * Copyright (C) 2007 Sebastian Trueg <trueg@kde.org> 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Library General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2 of the License, or (at your option) any later version. 00010 * 00011 * This library is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Library General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU Library General Public License 00017 * along with this library; see the file COPYING.LIB. If not, write to 00018 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00019 * Boston, MA 02110-1301, USA. 00020 */ 00021 00022 #ifndef _SOPRANO_MUTEX_MODEL_H_ 00023 #define _SOPRANO_MUTEX_MODEL_H_ 00024 00025 #include "filtermodel.h" 00026 #include "soprano_export.h" 00027 00028 namespace Soprano { 00029 namespace Util { 00030 class MutexIteratorBase; 00031 00044 class SOPRANO_EXPORT MutexModel : public FilterModel 00045 { 00046 Q_OBJECT 00047 00048 public: 00049 enum ProtectionMode { 00056 PlainMultiThreading, 00057 00063 ReadWriteMultiThreading, 00064 00081 ReadWriteSingleThreading 00082 }; 00083 00091 MutexModel( ProtectionMode mode, Model* parent = 0 ); 00092 00096 ~MutexModel(); 00097 00098 Error::ErrorCode addStatement( const Statement &statement ); 00099 Error::ErrorCode removeStatement( const Statement &statement ); 00100 Error::ErrorCode removeAllStatements( const Statement &statement ); 00101 StatementIterator listStatements( const Statement &partial ) const; 00102 NodeIterator listContexts() const; 00103 QueryResultIterator executeQuery( const QString& query, 00104 Query::QueryLanguage language, 00105 const QString& userQueryLanguage = QString() ) const; 00106 bool containsStatement( const Statement &statement ) const; 00107 bool containsAnyStatement( const Statement &statement ) const; 00108 bool isEmpty() const; 00109 int statementCount() const; 00110 00111 private: 00112 void removeIterator( MutexIteratorBase* it ) const; 00113 00114 class Private; 00115 Private* const d; 00116 00117 friend class MutexIteratorBase; 00118 }; 00119 } 00120 } 00121 00122 #endif