runtime/nepomuk/services/ontologyloader/ontologyupdatejob.h

   1 /* This file is part of the KDE Project
   2    Copyright (c) 2008 Sebastian Trueg <trueg@kde.org>
   3
   4    This library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public
   6    License version 2 as published by the Free Software Foundation.
   7
   8    This library is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11    Library General Public License for more details.
  12
  13    You should have received a copy of the GNU Library General Public License
  14    along with this library; see the file COPYING.LIB.  If not, write to
  15    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  16    Boston, MA 02110-1301, USA.
  17 */
  18
  19 #ifndef _NEPOMUK_ONTOLOGY_UPDATE_JOB_H_
  20 #define _NEPOMUK_ONTOLOGY_UPDATE_JOB_H_
  21
  22 #include <KJob>
  23
  24 class QUrl;
  25 namespace Soprano {
  26     class Model;
  27     class StatementIterator;
  28 }
  29
  30 class QDateTime;
  31
  32 namespace Nepomuk {
  33     class OntologyUpdateJob : public KJob
  34     {
  35         Q_OBJECT
  36
  37     public:
  38         OntologyUpdateJob( Soprano::Model* mainModel, QObject* parent );
  39         ~OntologyUpdateJob();
  40
  41         /**
  42          * Start the job.
  43          * Connect to result() to see if updating
  44          * the ontology was successful.
  45          */
  46         void start();
  47
  48         /**
  49          * Set the ontology's base URI, aka the namespace.
  50          * If not set it will be determined from the input
  51          * data.
  52          */
  53         void setBaseUri( const QUrl& uri );
  54
  55         Soprano::Model* model() const;
  56
  57         static QDateTime ontoModificationDate( Soprano::Model* model, const QUrl& uri );
  58
  59     protected:
  60         /**
  61          * Provides the actual ontology data as statements.
  62          */
  63         virtual Soprano::StatementIterator data() = 0;
  64
  65     private:
  66         class Private;
  67         Private* const d;
  68
  69         Q_PRIVATE_SLOT( d, void _k_slotFinished() )
  70     };
  71 }
  72
  73 #endif