Soprano
2.7.6
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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) 2007-2010 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_QUERY_RESULT_H 00024 #define SOPRANO_QUERY_RESULT_H 00025 00026 #include "iteratorbackend.h" 00027 #include "bindingset.h" 00028 00029 #include <QtCore/QStringList> 00030 00031 00032 namespace Soprano { 00033 00034 class Node; 00035 class Statement; 00036 00046 class SOPRANO_EXPORT QueryResultIteratorBackend : public IteratorBackend<BindingSet> 00047 { 00048 public: 00049 virtual ~QueryResultIteratorBackend(); 00050 00057 virtual bool next() = 0; 00058 00065 virtual BindingSet current() const; 00066 00070 virtual Statement currentStatement() const = 0; 00071 00075 virtual Node binding( const QString& name ) const = 0; 00076 00080 virtual Node binding( int offset ) const = 0; 00081 00085 virtual int bindingCount() const = 0; 00086 00090 virtual QStringList bindingNames() const = 0; 00091 00095 virtual bool isGraph() const = 0; 00096 00100 virtual bool isBinding() const = 0; 00101 00105 virtual bool isBool() const = 0; 00106 00110 virtual bool boolValue() const = 0; 00111 00112 protected: 00113 QueryResultIteratorBackend(); 00114 }; 00115 } 00116 00117 #endif // SOPRANO_QUERY_RESULT_H 00118