Soprano  2.9.4
signalcachemodel.h
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1 /*
2  * This file is part of Soprano Project.
3  *
4  * Copyright (C) 2007 Sebastian Trueg <trueg@kde.org>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public License
17  * along with this library; see the file COPYING.LIB. If not, write to
18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  */
21 
22 #ifndef _SOPRANO_SIGNALCACHE_MODEL_H_
23 #define _SOPRANO_SIGNALCACHE_MODEL_H_
24 
25 #include "filtermodel.h"
26 #include "soprano_export.h"
27 
28 class QTimerEvent;
29 
30 namespace Soprano {
31  namespace Util {
53  {
54  Q_OBJECT
55 
56  public:
63  SignalCacheModel( Model* parent = 0 );
64 
68  virtual ~SignalCacheModel();
69 
74  int cacheTime() const;
75 
76  public Q_SLOTS:
82  void setCacheTime( int msec );
83 
84  protected:
88  virtual void parentStatementsAdded();
89 
93  virtual void parentStatementsRemoved();
94 
95  void timerEvent( QTimerEvent* event );
96 
97  private:
98  class Private;
99  Private* const d;
100  };
101  }
102 }
103 
104 #endif
A FilterModel is a virtual model that wraps another Model.
Definition: filtermodel.h:48
#define SOPRANO_EXPORT
A Model is the central class in Soprano. It is a queryable collection of RDF quadruples,...
Definition: model.h:94
Caches multiple signals into one to avoid slowdown when adding or removing many statements.