00001 /**************************************************************************** 00002 ** 00003 ** Copyright (C) 2010-2011 Nokia Corporation and/or its subsidiary(-ies). 00004 ** All rights reserved. 00005 ** Contact: Nokia Corporation (ivan.frade@nokia.com) 00006 ** 00007 ** This file is part of the QtSparql module (not yet part of the Qt Toolkit). 00008 ** 00009 ** $QT_BEGIN_LICENSE:LGPL$ 00010 ** GNU Lesser General Public License Usage 00011 ** This file may be used under the terms of the GNU Lesser General Public 00012 ** License version 2.1 as published by the Free Software Foundation and 00013 ** appearing in the file LICENSE.LGPL included in the packaging of this 00014 ** file. Please review the following information to ensure the GNU Lesser 00015 ** General Public License version 2.1 requirements will be met: 00016 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 00017 ** 00018 ** In addition, as a special exception, Nokia gives you certain additional 00019 ** rights. These rights are described in the Nokia Qt LGPL Exception 00020 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 00021 ** 00022 ** GNU General Public License Usage 00023 ** Alternatively, this file may be used under the terms of the GNU General 00024 ** Public License version 3.0 as published by the Free Software Foundation 00025 ** and appearing in the file LICENSE.GPL included in the packaging of this 00026 ** file. Please review the following information to ensure the GNU General 00027 ** Public License version 3.0 requirements will be met: 00028 ** http://www.gnu.org/copyleft/gpl.html. 00029 ** 00030 ** Other Usage 00031 ** Alternatively, this file may be used in accordance with the terms and 00032 ** conditions contained in a signed written agreement between you and Nokia. 00033 ** 00034 ** If you have questions regarding the use of this file, please contact 00035 ** Nokia at ivan.frade@nokia.com. 00036 ** $QT_END_LICENSE$ 00037 ** 00038 ****************************************************************************/ 00039 00040 #ifndef QSPARQL_TRACKER_DIRECT_RESULT_P_H 00041 #define QSPARQL_TRACKER_DIRECT_RESULT_P_H 00042 00043 #include <QtSparql/qsparqlresult.h> 00044 #include <QtSparql/qsparqlquery.h> 00045 00046 #ifdef QT_PLUGIN 00047 #define Q_EXPORT_SPARQLDRIVER_TRACKER_DIRECT 00048 #else 00049 #define Q_EXPORT_SPARQLDRIVER_TRACKER_DIRECT Q_SPARQL_EXPORT 00050 #endif 00051 00052 QT_BEGIN_HEADER 00053 00054 QT_BEGIN_NAMESPACE 00055 00056 class QTrackerDirectDriverPrivate; 00057 class QTrackerDirectResultPrivate; 00058 00059 class Q_EXPORT_SPARQLDRIVER_TRACKER_DIRECT QTrackerDirectResult : public QSparqlResult 00060 { 00061 Q_OBJECT 00062 friend class QTrackerDirectResultPrivate; // for emitting signals 00063 public: 00064 explicit QTrackerDirectResult(QTrackerDirectDriverPrivate* p, 00065 const QString& query, 00066 QSparqlQuery::StatementType type); 00067 ~QTrackerDirectResult(); 00068 00069 // Implementation of the QSparqlResult interface 00070 virtual void waitForFinished(); 00071 virtual bool isFinished() const; 00072 00073 virtual QSparqlResultRow current() const; 00074 virtual QSparqlBinding binding(int i) const; 00075 virtual QVariant value(int i) const; 00076 virtual int size() const; 00077 virtual bool hasFeature(QSparqlResult::Feature feature) const; 00078 00079 private Q_SLOTS: 00080 void exec(); 00081 void startFetcher(); 00082 void driverClosing(); 00083 00084 private: 00085 bool runQuery(); 00086 void terminate(); 00087 void stopAndWait(); 00088 bool fetchNextResult(); 00089 bool fetchBoolResult(); 00090 00091 QTrackerDirectResultPrivate* d; 00092 friend class QTrackerDirectFetcherPrivate; 00093 }; 00094 00095 QT_END_NAMESPACE 00096 00097 QT_END_HEADER 00098 00099 #endif // QSPARQL_TRACKER_DIRECT_RESULT_P_H