runtime/nepomuk/services/queryservice/searchcore.h

   1 /*
   2    This file is part of the Nepomuk KDE project.
   3    Copyright (C) 2007 Sebastian Trueg <trueg@kde.org>
   4
   5    This library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public
   7    License version 2 as published by the Free Software Foundation.
   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 Library General Public License
  15    along with this library; see the file COPYING.LIB.  If not, write to
  16    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17    Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifndef _NEPOMUK_SEARCH_CORE_H_
  21 #define _NEPOMUK_SEARCH_CORE_H_
  22
  23 #include <QtCore/QObject>
  24 #include <QtCore/QUrl>
  25 #include <QtCore/QHash>
  26
  27 #include <nepomuk/nepomuk_export.h>
  28
  29 #include "result.h"
  30
  31 namespace Nepomuk {
  32     namespace Search {
  33
  34         class Query;
  35
  36         /**
  37          * Please consider using QueryServiceClient instead.
  38          */
  39         class NEPOMUK_EXPORT SearchCore : public QObject
  40         {
  41             Q_OBJECT
  42
  43         public:
  44             SearchCore( QObject* parent = 0 );
  45             ~SearchCore();
  46
  47             double cutOffScore() const;
  48
  49             QList<Result> lastResults() const;
  50
  51             QList<Result> blockingQuery( const Query& query );
  52
  53             bool isActive() const;
  54
  55         public Q_SLOTS:
  56             void query( const Query& query );
  57
  58             void cancel();
  59
  60             /**
  61              * Default: 0.25
  62              */
  63             void setCutOffScore( double score );
  64
  65         Q_SIGNALS:
  66             void newResult( const Nepomuk::Search::Result& );
  67             void scoreChanged( const Nepomuk::Search::Result& );
  68             void finished();
  69
  70         private Q_SLOTS:
  71             void slotNewResult( const Nepomuk::Search::Result& );
  72             void slotFinished();
  73
  74         private:
  75             class Private;
  76             Private* const d;
  77         };
  78     }
  79 }
  80
  81 #endif