OGR
ogrmutexeddatasource.h
1 /******************************************************************************
2  * $Id: ogrmutexeddatasource.h 10e54d45fee8229428eb8ab22949aa46eb9da150 2018-05-06 11:07:25 +0200 Even Rouault $
3  *
4  * Project: OpenGIS Simple Features Reference Implementation
5  * Purpose: Defines OGRLMutexedDataSource class
6  * Author: Even Rouault, even dot rouault at mines dash paris dot org
7  *
8  ******************************************************************************
9  * Copyright (c) 2013, Even Rouault <even dot rouault at mines-paris dot org>
10  *
11  * Permission is hereby granted, free of charge, to any person obtaining a
12  * copy of this software and associated documentation files (the "Software"),
13  * to deal in the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15  * and/or sell copies of the Software, and to permit persons to whom the
16  * Software is furnished to do so, subject to the following conditions:
17  *
18  * The above copyright notice and this permission notice shall be included
19  * in all copies or substantial portions of the Software.
20  *
21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27  * DEALINGS IN THE SOFTWARE.
28  ****************************************************************************/
29 
30 #ifndef OGRMUTEXEDDATASOURCELAYER_H_INCLUDED
31 #define OGRMUTEXEDDATASOURCELAYER_H_INCLUDED
32 
33 #ifndef DOXYGEN_SKIP
34 
35 #include "ogrsf_frmts.h"
36 #include "cpl_multiproc.h"
37 #include "ogrmutexedlayer.h"
38 #include <map>
39 
47 class CPL_DLL OGRMutexedDataSource : public OGRDataSource
48 {
49  CPL_DISALLOW_COPY_ASSIGN(OGRMutexedDataSource)
50 
51  protected:
52  OGRDataSource *m_poBaseDataSource;
53  int m_bHasOwnership;
54  CPLMutex *m_hGlobalMutex;
55  int m_bWrapLayersInMutexedLayer;
56  std::map<OGRLayer*, OGRMutexedLayer* > m_oMapLayers{};
57  std::map<OGRMutexedLayer*, OGRLayer* > m_oReverseMapLayers{};
58 
59  OGRLayer* WrapLayerIfNecessary(OGRLayer* poLayer);
60 
61  public:
62 
63  /* The construction of the object isn't protected by the mutex */
64  OGRMutexedDataSource(OGRDataSource* poBaseDataSource,
65  int bTakeOwnership,
66  CPLMutex* hMutexIn,
67  int bWrapLayersInMutexedLayer);
68 
69  /* The destruction of the object isn't protected by the mutex */
70  virtual ~OGRMutexedDataSource();
71 
72  OGRDataSource* GetBaseDataSource() { return m_poBaseDataSource; }
73 
74  virtual const char *GetName() override;
75 
76  virtual int GetLayerCount() override ;
77  virtual OGRLayer *GetLayer(int) override;
78  virtual OGRLayer *GetLayerByName(const char *) override;
79  virtual OGRErr DeleteLayer(int) override;
80 
81  virtual int TestCapability( const char * ) override;
82 
83  virtual OGRLayer *ICreateLayer( const char *pszName,
84  OGRSpatialReference *poSpatialRef = nullptr,
86  char ** papszOptions = nullptr ) override;
87  virtual OGRLayer *CopyLayer( OGRLayer *poSrcLayer,
88  const char *pszNewName,
89  char **papszOptions = nullptr ) override;
90 
91  virtual OGRStyleTable *GetStyleTable() override;
92  virtual void SetStyleTableDirectly( OGRStyleTable *poStyleTable ) override;
93 
94  virtual void SetStyleTable(OGRStyleTable *poStyleTable) override;
95 
96  virtual OGRLayer * ExecuteSQL( const char *pszStatement,
97  OGRGeometry *poSpatialFilter,
98  const char *pszDialect ) override;
99  virtual void ReleaseResultSet( OGRLayer * poResultsSet ) override;
100 
101  virtual void FlushCache() override;
102 
103  virtual OGRErr StartTransaction(int bForce=FALSE) override;
104  virtual OGRErr CommitTransaction() override;
105  virtual OGRErr RollbackTransaction() override;
106 
107  virtual char **GetMetadata( const char * pszDomain = "" ) override;
108  virtual CPLErr SetMetadata( char ** papszMetadata,
109  const char * pszDomain = "" ) override;
110  virtual const char *GetMetadataItem( const char * pszName,
111  const char * pszDomain = "" ) override;
112  virtual CPLErr SetMetadataItem( const char * pszName,
113  const char * pszValue,
114  const char * pszDomain = "" ) override;
115 };
116 
117 #endif /* #ifndef DOXYGEN_SKIP */
118 
119 #endif // OGRMUTEXEDDATASOURCELAYER_H_INCLUDED
Definition: ogrsf_frmts.h:317
Definition: ogr_core.h:319
OGRwkbGeometryType
Definition: ogr_core.h:317
Definition: ogr_geometry.h:286
Definition: ogr_spatialref.h:156
Definition: ogrsf_frmts.h:70
Definition: ogr_featurestyle.h:84
int OGRErr
Definition: ogr_core.h:290
CPLErr
Definition: cpl_error.h:52
#define CPL_DISALLOW_COPY_ASSIGN(ClassName)
Definition: cpl_port.h:997

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