QGIS API Documentation  3.20.0-Odense (decaadbb31)
qgschunkqueuejob_p.h
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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 
57 class QgsChunkQueueJob : public QObject
58 {
59  Q_OBJECT
60  public:
62  QgsChunkQueueJob( QgsChunkNode *node )
63  : mNode( node )
64  {
65  }
66 
68  QgsChunkNode *chunk() { return mNode; }
69 
78  virtual void cancel();
79 
80  signals:
82  void finished();
83 
84  protected:
85  QgsChunkNode *mNode = nullptr;
86 };
87 
95 class QgsChunkQueueJobFactory
96 {
97  public:
98  virtual ~QgsChunkQueueJobFactory() = default;
99 
101  virtual QgsChunkQueueJob *createJob( QgsChunkNode *chunk ) = 0;
102 };
103 
105 
106 #endif // QGSCHUNKQUEUEJOB_P_H