QGIS API Documentation  3.18.1-Zürich (202f1bf7e5)
qgschunkqueuejob_p.h
Go to the documentation of this file.
1 /***************************************************************************
2  qgschunkqueuejob_p.h
3  --------------------------------------
4  Date : July 2017
5  Copyright : (C) 2017 by Martin Dobias
6  Email : wonder dot sk at gmail dot com
7  ***************************************************************************
8  * *
9  * This program is free software; you can redistribute it and/or modify *
10  * it under the terms of the GNU General Public License as published by *
11  * the Free Software Foundation; either version 2 of the License, or *
12  * (at your option) any later version. *
13  * *
14  ***************************************************************************/
15 
16 #ifndef QGSCHUNKQUEUEJOB_P_H
17 #define QGSCHUNKQUEUEJOB_P_H
18 
20 
21 //
22 // W A R N I N G
23 // -------------
24 //
25 // This file is not part of the QGIS API. It exists purely as an
26 // implementation detail. This header file may change from version to
27 // version without notice, or even be removed.
28 //
29 
30 class QgsChunkNode;
31 
32 namespace Qt3DCore
33 {
34  class QEntity;
35 }
36 
37 #define SIP_NO_FILE
38 
39 #include <QObject>
40 
56 class QgsChunkQueueJob : public QObject
57 {
58  Q_OBJECT
59  public:
61  QgsChunkQueueJob( QgsChunkNode *node )
62  : mNode( node )
63  {
64  }
65 
67  QgsChunkNode *chunk() { return mNode; }
68 
77  virtual void cancel();
78 
79  signals:
81  void finished();
82 
83  protected:
84  QgsChunkNode *mNode = nullptr;
85 };
86 
94 class QgsChunkQueueJobFactory
95 {
96  public:
97  virtual ~QgsChunkQueueJobFactory() = default;
98 
100  virtual QgsChunkQueueJob *createJob( QgsChunkNode *chunk ) = 0;
101 };
102 
104 
105 #endif // QGSCHUNKQUEUEJOB_P_H