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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 *
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,
85 OGRwkbGeometryType eGType = wkbUnknown,
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
OGRDataSource
LEGACY class.
Definition: ogrsf_frmts.h:317
GDALDataset::DeleteLayer
virtual OGRErr DeleteLayer(int iLayer)
Delete the indicated layer from the datasource.
Definition: gdaldataset.cpp:4623
GDALDataset::GetLayer
virtual OGRLayer * GetLayer(int iLayer)
Fetch a layer by index.
Definition: gdaldataset.cpp:6073
GDALDataset::SetStyleTable
virtual void SetStyleTable(OGRStyleTable *poStyleTable)
Set dataset style table.
Definition: gdaldataset.cpp:6011
GDALDataset::FlushCache
virtual void FlushCache(void)
Flush all write cached data to disk.
Definition: gdaldataset.cpp:396
GDALDataset::CommitTransaction
virtual OGRErr CommitTransaction()
For datasources which support transactions, CommitTransaction commits a transaction.
Definition: gdaldataset.cpp:6601
wkbUnknown
unknown type, non-standard
Definition: ogr_core.h:319
GDALDataset::GetMetadata
void char ** GetMetadata(const char *pszDomain="") override
Fetch metadata.
Definition: gdaldataset.cpp:3484
GDALDataset::CopyLayer
virtual OGRLayer * CopyLayer(OGRLayer *poSrcLayer, const char *pszNewName, char **papszOptions=nullptr)
Duplicate an existing layer.
Definition: gdaldataset.cpp:4259
GDALDataset::ReleaseResultSet
virtual void ReleaseResultSet(OGRLayer *poResultsSet)
Release results of ExecuteSQL().
Definition: gdaldataset.cpp:5943
GDALDataset::GetStyleTable
virtual OGRStyleTable * GetStyleTable()
Returns dataset style table.
Definition: gdaldataset.cpp:5965
OGRwkbGeometryType
OGRwkbGeometryType
List of well known binary geometry types.
Definition: ogr_core.h:317
OGRGeometry
Abstract base class for all geometry classes.
Definition: ogr_geometry.h:286
GDALDataset::ExecuteSQL
virtual OGRLayer * ExecuteSQL(const char *pszStatement, OGRGeometry *poSpatialFilter, const char *pszDialect)
Execute an SQL statement against the data store.
Definition: gdaldataset.cpp:5433
ogrsf_frmts.h
Classes related to registration of format support, and opening datasets.
GDALDataset::GetLayerByName
virtual OGRLayer * GetLayerByName(const char *)
Fetch a layer by name.
Definition: gdaldataset.cpp:4652
OGRSpatialReference
This class represents an OpenGIS Spatial Reference System, and contains methods for converting betwee...
Definition: ogr_spatialref.h:147
GDALDataset::SetStyleTableDirectly
virtual void SetStyleTableDirectly(OGRStyleTable *poStyleTable)
Set dataset style table.
Definition: gdaldataset.cpp:5985
GDALDataset::RollbackTransaction
virtual OGRErr RollbackTransaction()
For datasources which support transactions, RollbackTransaction will roll back a datasource to its st...
Definition: gdaldataset.cpp:6653
GDALDataset::SetMetadataItem
CPLErr SetMetadataItem(const char *pszName, const char *pszValue, const char *pszDomain) override
Set single metadata item.
OGRLayer
This class represents a layer of simple features, with access methods.
Definition: ogrsf_frmts.h:70
OGRStyleTable
This class represents a style table.
Definition: ogr_featurestyle.h:84
GDALDataset::GetLayerCount
virtual int GetLayerCount()
Get the number of layers in this dataset.
Definition: gdaldataset.cpp:6046
GDALDataset::ICreateLayer
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
GDALDataset::SetMetadata
CPLErr SetMetadata(char **papszMetadata, const char *pszDomain) override
Set metadata.
OGRErr
int OGRErr
Simple container for a bounding region.
Definition: ogr_core.h:290
GDALDataset::GetMetadataItem
const char * GetMetadataItem(const char *pszName, const char *pszDomain) override
Fetch single metadata item.
GDALDataset::TestCapability
virtual int TestCapability(const char *)
Test if capability is available.
Definition: gdaldataset.cpp:6406
GDALDataset::StartTransaction
virtual OGRErr StartTransaction(int bForce=FALSE)
For datasources which support transactions, StartTransaction creates a `transaction.
Definition: gdaldataset.cpp:6511
CPLErr
CPLErr
Error category.
Definition: cpl_error.h:52
CPL_DISALLOW_COPY_ASSIGN
#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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