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/builddir/build/BUILD/soprano-2.5.2/soprano/filtermodel.h

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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_FILTER_MODEL_H_
00023 #define _SOPRANO_FILTER_MODEL_H_
00024 
00025 #include "model.h"
00026 #include "soprano_export.h"
00027 
00028 
00029 namespace Soprano {
00048     class SOPRANO_EXPORT FilterModel : public Model
00049     {
00050         Q_OBJECT
00051 
00052     public:
00056         virtual ~FilterModel();
00057 
00059 
00063         virtual void setParentModel( Model* model );
00064 
00069         virtual Model* parentModel() const;
00071 
00073 
00076         virtual Error::ErrorCode addStatement( const Statement &statement );
00077 
00081         Error::ErrorCode addStatement( const Node& subject, const Node& predicate, const Node& object, const Node& context = Node() );
00083 
00085 
00088         virtual Error::ErrorCode removeStatement( const Statement &statement );
00089 
00093         Error::ErrorCode removeStatement( const Node& subject, const Node& predicate, const Node& object, const Node& context = Node() );
00094 
00098         virtual Error::ErrorCode removeAllStatements( const Statement &statement );
00099 
00103         Error::ErrorCode removeAllStatements( const Node& subject, const Node& predicate, const Node& object, const Node& context = Node() );
00105 
00107 
00110         virtual StatementIterator listStatements( const Statement &partial ) const;
00111 
00115         StatementIterator listStatements( const Node& subject, const Node& predicate, const Node& object, const Node& context = Node() ) const;
00116 
00120         virtual NodeIterator listContexts() const;
00121 
00125 //    virtual QueryResultIterator executeQuery( const Query::Query& query ) const;
00126 
00130         virtual QueryResultIterator executeQuery( const QString& query, Query::QueryLanguage language, const QString& userQueryLanguage = QString() ) const;
00132 
00134 
00137         virtual bool containsStatement( const Statement &statement ) const;
00138 
00142         bool containsStatement( const Node& subject, const Node& predicate, const Node& object, const Node& context = Node() ) const;
00143 
00147         virtual bool containsAnyStatement( const Statement &statement ) const;
00148 
00152         bool containsAnyStatement( const Node& subject, const Node& predicate, const Node& object, const Node& context = Node() ) const;
00154 
00156 
00159         virtual bool isEmpty() const;
00160 
00164         virtual int statementCount() const;
00166 
00168 
00171         virtual Error::ErrorCode write( QTextStream &os ) const;
00173 
00175 
00178         virtual Node createBlankNode();
00180 
00181         using Model::addStatement;
00182         using Model::removeStatement;
00183         using Model::removeAllStatements;
00184         using Model::listStatements;
00185         using Model::containsStatement;
00186         using Model::containsAnyStatement;
00187 
00188     protected:
00192         FilterModel();
00193 
00199         FilterModel( Model* parent );
00200 
00206         virtual void parentStatementsAdded();
00207 
00213         virtual void parentStatementsRemoved();
00214 
00220         virtual void parentStatementAdded( const Statement& );
00221 
00227         virtual void parentStatementRemoved( const Statement& );
00228 
00229     private Q_SLOTS:
00234         void slotStatementsAdded();
00235 
00240         void slotStatementsRemoved();
00241 
00246         void slotStatementAdded( const Soprano::Statement& );
00247 
00252         void slotStatementRemoved( const Soprano::Statement& );
00253 
00254     private:
00255         class Private;
00256         Private* const d;
00257     };
00258 }
00259 
00260 #endif

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