runtime/nepomuk/ontologyloader.h

   1 /* This file is part of the KDE Project
   2    Copyright (c) 2007 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_SERVER_ONTOLOGY_LOADER_H_
  20 #define _NEPOMUK_SERVER_ONTOLOGY_LOADER_H_
  21
  22 #include <QtCore/QObject>
  23 #include <QtCore/QUrl>
  24
  25 namespace Soprano {
  26     class Model;
  27 }
  28
  29
  30 namespace Nepomuk {
  31     class OntologyLoader : public QObject
  32     {
  33         Q_OBJECT
  34
  35     public:
  36         OntologyLoader( Soprano::Model* model, QObject* parent = 0 );
  37         ~OntologyLoader();
  38
  39     public Q_SLOTS:
  40         /**
  41          * Update all installed ontologies and install dir watches
  42          * to monitor newly installed and changed ontologies.
  43          *
  44          * This should also be called for initialization
  45          */
  46         void update();
  47
  48         // FIXME: add methods (exported on DBus) like:
  49         // void addOntology( ... )
  50         // void addInstanceBase( ... )
  51         // void removeData( ... );
  52
  53     private:
  54         bool updateOntology( const QString& desktopFile );
  55         bool removeOntology( const QUrl& ns );
  56
  57         bool ensureDataLayout( Soprano::Model* tmpModel, const QUrl& ns );
  58         void createMetadata( Soprano::Model* tmpModel, const QUrl& ns );
  59
  60         class Private;
  61         Private* const d;
  62     };
  63 }
  64
  65 #endif