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 00066 class SOPRANO_EXPORT StatementIterator : public Iterator<Statement> 00067 { 00068 public: 00072 StatementIterator(); 00073 00078 StatementIterator( IteratorBackend<Statement> *sti ); 00079 00080 StatementIterator( const StatementIterator &sti ); 00081 00082 virtual ~StatementIterator(); 00083 00084 StatementIterator& operator=( const StatementIterator& ); 00085 00095 QList<Statement> allStatements() { return allElements(); } 00096 00106 NodeIterator iterateSubjects() const; 00107 00117 NodeIterator iteratePredicates() const; 00118 00128 NodeIterator iterateObjects() const; 00129 00139 NodeIterator iterateContexts() const; 00140 }; 00141 } 00142 00143 #endif // SOPRANO_STATEMENT_ITERATOR_H 00144