soprano

queryresultiteratorbackend.h

00001 /*
00002  * This file is part of Soprano Project.
00003  *
00004  * Copyright (C) 2006 Daniele Galdi <daniele.galdi@gmail.com>
00005  * Copyright (C) 2007-2008 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
soprano

queryresultiteratorbackend.h

soprano

KDE Support
