00001 /* 00002 * This file is part of Soprano Project. 00003 * 00004 * Copyright (C) 2007-2008 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 00067 ReadWriteMultiThreading, 00068 00073 ReadWriteSingleThreading 00074 }; 00075 00083 MutexModel( ProtectionMode mode, Model* parent = 0 ); 00084 00088 ~MutexModel(); 00089 00090 Error::ErrorCode addStatement( const Statement &statement ); 00091 Error::ErrorCode removeStatement( const Statement &statement ); 00092 Error::ErrorCode removeAllStatements( const Statement &statement ); 00093 StatementIterator listStatements( const Statement &partial ) const; 00094 NodeIterator listContexts() const; 00095 QueryResultIterator executeQuery( const QString& query, 00096 Query::QueryLanguage language, 00097 const QString& userQueryLanguage = QString() ) const; 00098 bool containsStatement( const Statement &statement ) const; 00099 bool containsAnyStatement( const Statement &statement ) const; 00100 bool isEmpty() const; 00101 int statementCount() const; 00102 00103 using FilterModel::addStatement; 00104 using FilterModel::removeStatement; 00105 using FilterModel::removeAllStatements; 00106 using FilterModel::listStatements; 00107 using FilterModel::containsStatement; 00108 using FilterModel::containsAnyStatement; 00109 00110 private: 00111 void removeIterator( MutexIteratorBase* it ) const; 00112 00113 class Private; 00114 Private* const d; 00115 00116 friend class MutexIteratorBase; 00117 }; 00118 } 00119 } 00120 00121 #endif