GDAL
ogrmutexeddatasource.h
1 /******************************************************************************
2  * $Id$
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  *
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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
LEGACY class.
Definition: ogrsf_frmts.h:317
virtual OGRErr DeleteLayer(int iLayer)
Delete the indicated layer from the datasource.
Definition: gdaldataset.cpp:4623
virtual OGRLayer * GetLayer(int iLayer)
Fetch a layer by index.
Definition: gdaldataset.cpp:6073
virtual void SetStyleTable(OGRStyleTable *poStyleTable)
Set dataset style table.
Definition: gdaldataset.cpp:6011
virtual void FlushCache(void)
Flush all write cached data to disk.
Definition: gdaldataset.cpp:396
virtual OGRErr CommitTransaction()
For datasources which support transactions, CommitTransaction commits a transaction.
Definition: gdaldataset.cpp:6601
unknown type, non-standard
Definition: ogr_core.h:319
void char ** GetMetadata(const char *pszDomain="") override
Fetch metadata.
Definition: gdaldataset.cpp:3484
virtual OGRLayer * CopyLayer(OGRLayer *poSrcLayer, const char *pszNewName, char **papszOptions=nullptr)
Duplicate an existing layer.
Definition: gdaldataset.cpp:4259
virtual void ReleaseResultSet(OGRLayer *poResultsSet)
Release results of ExecuteSQL().
Definition: gdaldataset.cpp:5943
virtual OGRStyleTable * GetStyleTable()
Returns dataset style table.
Definition: gdaldataset.cpp:5965
OGRwkbGeometryType
List of well known binary geometry types.
Definition: ogr_core.h:317
Abstract base class for all geometry classes.
Definition: ogr_geometry.h:286
virtual OGRLayer * ExecuteSQL(const char *pszStatement, OGRGeometry *poSpatialFilter, const char *pszDialect)
Execute an SQL statement against the data store.
Definition: gdaldataset.cpp:5433
Classes related to registration of format support, and opening datasets.
virtual OGRLayer * GetLayerByName(const char *)
Fetch a layer by name.
Definition: gdaldataset.cpp:4652
This class represents an OpenGIS Spatial Reference System, and contains methods for converting betwee...
Definition: ogr_spatialref.h:147
virtual void SetStyleTableDirectly(OGRStyleTable *poStyleTable)
Set dataset style table.
Definition: gdaldataset.cpp:5985
virtual OGRErr RollbackTransaction()
For datasources which support transactions, RollbackTransaction will roll back a datasource to its st...
Definition: gdaldataset.cpp:6653
CPLErr SetMetadataItem(const char *pszName, const char *pszValue, const char *pszDomain) override
Set single metadata item.
This class represents a layer of simple features, with access methods.
Definition: ogrsf_frmts.h:70
This class represents a style table.
Definition: ogr_featurestyle.h:84
virtual int GetLayerCount()
Get the number of layers in this dataset.
Definition: gdaldataset.cpp:6046
virtual OGRLayer * ICreateLayer(const char *pszName, OGRSpatialReference *poSpatialRef=nullptr, OGRwkbGeometryType eGType=wkbUnknown, char **papszOptions=nullptr)
This method attempts to create a new layer on the dataset with the indicated name, coordinate system, geometry type.
Definition: gdaldataset.cpp:4218
CPLErr SetMetadata(char **papszMetadata, const char *pszDomain) override
Set metadata.
int OGRErr
Simple container for a bounding region.
Definition: ogr_core.h:290
const char * GetMetadataItem(const char *pszName, const char *pszDomain) override
Fetch single metadata item.
virtual int TestCapability(const char *)
Test if capability is available.
Definition: gdaldataset.cpp:6406
virtual OGRErr StartTransaction(int bForce=FALSE)
For datasources which support transactions, StartTransaction creates a `transaction.
Definition: gdaldataset.cpp:6511
CPLErr
Error category.
Definition: cpl_error.h:52
#define CPL_DISALLOW_COPY_ASSIGN(ClassName)
Helper to remove the copy and assignment constructors so that the compiler will not generate the defa...
Definition: cpl_port.h:989

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