Soprano  2.7.4
/srv/build/STABLE_8/pkgs/soprano/BUILD/soprano-2.7.4/soprano/util/mutexmodel.h
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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