runtime/nepomuk/strigibackend/sopranoindexmanager.cpp

   1 /*
   2    Copyright (C) 2007-2008 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 General Public License as
   6    published by the Free Software Foundation; either version 2 of
   7    the License, or (at your option) any later version.
   8
   9    This library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this library; see the file COPYING.  If not, write to
  16    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17    Boston, MA 02110-1301, USA.
  18  */
  19
  20 #include "sopranoindexmanager.h"
  21 #include "sopranoindexwriter.h"
  22 #include "sopranoindexreader.h"
  23
  24 #include <strigi/strigiconfig.h>
  25
  26 #include <Soprano/Client/DBusClient>
  27 #include <Soprano/Index/IndexFilterModel>
  28 #include <Soprano/Index/CLuceneIndex>
  29 #include <Soprano/Util/MutexModel>
  30 #include <Soprano/Client/DBusModel>
  31 #include <Soprano/Client/LocalSocketClient>
  32
  33 #include <QtCore/QDir>
  34 #include <QtCore/QDebug>
  35 #include <QtCore/QString>
  36
  37 #include <Nepomuk/ResourceManager>
  38
  39
  40 class Strigi::Soprano::IndexManager::Private
  41 {
  42 public:
  43     Private()
  44         : writer( 0 ),
  45           reader( 0 ) {
  46     }
  47
  48     IndexWriter* writer;
  49     IndexReader* reader;
  50 };
  51
  52
  53 extern "C" {
  54 // we do not use REGISTER_STRIGI_INDEXMANAGER as we do have to perform some additional checks
  55 STRIGI_EXPORT Strigi::IndexManager* createIndexManager( const char* )
  56 {
  57     if( Nepomuk::ResourceManager::instance()->init() == 0 ) {
  58         return new Strigi::Soprano::IndexManager();
  59     }
  60     else {
  61         return 0;
  62     }
  63 }
  64
  65 STRIGI_EXPORT void deleteIndexManager( Strigi::IndexManager* m )
  66 {
  67     delete m;
  68 }
  69 }
  70
  71 Strigi::Soprano::IndexManager::IndexManager()
  72 {
  73     d = new Private;
  74 }
  75
  76
  77 Strigi::Soprano::IndexManager::~IndexManager()
  78 {
  79     qDebug() << "Cleaning up SopranoIndexManager";
  80     delete d->reader;
  81     delete d->writer;
  82     delete d;
  83 }
  84
  85
  86 Strigi::IndexReader* Strigi::Soprano::IndexManager::indexReader()
  87 {
  88     if ( !d->reader ) {
  89         qDebug() << "(Soprano::IndexManager) creating IndexReader";
  90         d->reader = new Strigi::Soprano::IndexReader( Nepomuk::ResourceManager::instance()->mainModel() );
  91     }
  92
  93     return d->reader;
  94 }
  95
  96
  97 Strigi::IndexWriter* Strigi::Soprano::IndexManager::indexWriter()
  98 {
  99     if ( !d->writer ) {
 100         qDebug() << "(Soprano::IndexManager) creating IndexWriter";
 101         d->writer = new Strigi::Soprano::IndexWriter( Nepomuk::ResourceManager::instance()->mainModel() );
 102     }
 103
 104     return d->writer;
 105 }