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

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00001 /*
00002  * This file is part of Soprano Project.
00003  *
00004  * Copyright (C) 2006 Daniele Galdi <daniele.galdi@gmail.com>
00005  * Copyright (C) 2007 Sebastian Trueg <trueg@kde.org>
00006  *
00007  * This library is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Library General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2 of the License, or (at your option) any later version.
00011  *
00012  * This library is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Library General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Library General Public License
00018  * along with this library; see the file COPYING.LIB.  If not, write to
00019  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00020  * Boston, MA 02110-1301, USA.
00021  */
00022 
00023 #ifndef SOPRANO_STATEMENT_ITERATOR_H
00024 #define SOPRANO_STATEMENT_ITERATOR_H
00025 
00026 #include "iterator.h"
00027 #include "statement.h"
00028 #include "soprano_export.h"
00029 
00030 #include <QtCore/QList>
00031 
00032 
00033 namespace Soprano {
00034 
00035     class Node;
00036     class NodeIterator;
00037     class Statement;
00038     class StatementIteratorBackend;
00039 
00075     class SOPRANO_EXPORT StatementIterator : public Iterator<Statement>
00076     {
00077     public:
00081         StatementIterator();
00082 
00087         StatementIterator( IteratorBackend<Statement> *sti );
00088 
00089         StatementIterator( const StatementIterator &sti );
00090 
00091         virtual ~StatementIterator();
00092 
00093         StatementIterator& operator=( const StatementIterator& );
00094 
00104         QList<Statement> allStatements() { return allElements(); }
00105 
00115         NodeIterator iterateSubjects() const;
00116 
00126         NodeIterator iteratePredicates() const;
00127 
00137         NodeIterator iterateObjects() const;
00138 
00148         NodeIterator iterateContexts() const;
00149     };
00150 }
00151 
00152 #endif // SOPRANO_STATEMENT_ITERATOR_H
00153 

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