KDE 4.4 API Reference soprano
iteratorbackend.h
Go to the documentation of this file.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_ITERATOR_BACKEND_H 00024 #define SOPRANO_ITERATOR_BACKEND_H 00025 00026 #include "soprano_export.h" 00027 #include "error.h" 00028 00029 namespace Soprano { 00030 00039 template<class T> class IteratorBackend : public Error::ErrorCache 00040 { 00041 public: 00042 virtual ~IteratorBackend() {} 00043 00054 virtual bool next() = 0; 00055 00066 virtual T current() const = 0; 00067 00076 virtual void close() = 0; 00077 00078 protected: 00079 IteratorBackend() {} 00080 }; 00081 } 00082 00083 #endif
