GDAL
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
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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
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26 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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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
47class 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
virtual void SetStyleTableDirectly(OGRStyleTable *poStyleTable)
Set dataset style table.
Definition: gdaldataset.cpp:6512
virtual int GetLayerCount()
Get the number of layers in this dataset.
Definition: gdaldataset.cpp:6573
virtual OGRStyleTable * GetStyleTable()
Returns dataset style table.
Definition: gdaldataset.cpp:6492
virtual OGRErr StartTransaction(int bForce=FALSE)
For datasources which support transactions, StartTransaction creates a `transaction.
Definition: gdaldataset.cpp:7038
virtual OGRLayer * GetLayerByName(const char *)
Fetch a layer by name.
Definition: gdaldataset.cpp:5179
virtual void SetStyleTable(OGRStyleTable *poStyleTable)
Set dataset style table.
Definition: gdaldataset.cpp:6538
virtual OGRLayer * ExecuteSQL(const char *pszStatement, OGRGeometry *poSpatialFilter, const char *pszDialect)
Execute an SQL statement against the data store.
Definition: gdaldataset.cpp:5960
virtual OGRErr RollbackTransaction()
For datasources which support transactions, RollbackTransaction will roll back a datasource to its st...
Definition: gdaldataset.cpp:7180
CPLErr SetMetadata(char **papszMetadata, const char *pszDomain) override
Set metadata.
virtual OGRLayer * GetLayer(int iLayer)
Fetch a layer by index.
Definition: gdaldataset.cpp:6600
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,...
Definition: gdaldataset.cpp:4745
virtual void ReleaseResultSet(OGRLayer *poResultsSet)
Release results of ExecuteSQL().
Definition: gdaldataset.cpp:6470
CPLErr SetMetadataItem(const char *pszName, const char *pszValue, const char *pszDomain) override
Set single metadata item.
virtual void FlushCache(void)
Flush all write cached data to disk.
Definition: gdaldataset.cpp:418
void char ** GetMetadata(const char *pszDomain="") override
Fetch metadata.
Definition: gdaldataset.cpp:4011
virtual OGRErr DeleteLayer(int iLayer)
Delete the indicated layer from the datasource.
Definition: gdaldataset.cpp:5150
virtual OGRErr CommitTransaction()
For datasources which support transactions, CommitTransaction commits a transaction.
Definition: gdaldataset.cpp:7128
virtual int TestCapability(const char *)
Test if capability is available.
Definition: gdaldataset.cpp:6933
const char * GetMetadataItem(const char *pszName, const char *pszDomain) override
Fetch single metadata item.
virtual OGRLayer * CopyLayer(OGRLayer *poSrcLayer, const char *pszNewName, char **papszOptions=nullptr)
Duplicate an existing layer.
Definition: gdaldataset.cpp:4786
LEGACY class.
Definition: ogrsf_frmts.h:318
Abstract base class for all geometry classes.
Definition: ogr_geometry.h:287
This class represents a layer of simple features, with access methods.
Definition: ogrsf_frmts.h:71
This class represents an OpenGIS Spatial Reference System, and contains methods for converting betwee...
Definition: ogr_spatialref.h:157
This class represents a style table.
Definition: ogr_featurestyle.h:85
CPLErr
Error category.
Definition: cpl_error.h:53
#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:997
OGRwkbGeometryType
List of well known binary geometry types.
Definition: ogr_core.h:318
@ wkbUnknown
unknown type, non-standard
Definition: ogr_core.h:319
int OGRErr
Simple container for a bounding region.
Definition: ogr_core.h:290
Classes related to registration of format support, and opening datasets.

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