GDAL
ogrlayerdecorator.h
1 /******************************************************************************
2  * $Id$
3  *
4  * Project: OpenGIS Simple Features Reference Implementation
5  * Purpose: Defines OGRLayerDecorator class
6  * Author: Even Rouault, even dot rouault at spatialys.com
7  *
8  ******************************************************************************
9  * Copyright (c) 2012-2013, Even Rouault <even dot rouault at spatialys.com>
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
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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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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
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28  ****************************************************************************/
29 
30 #ifndef OGRLAYERDECORATOR_H_INCLUDED
31 #define OGRLAYERDECORATOR_H_INCLUDED
32 
33 #ifndef DOXYGEN_SKIP
34 
35 #include "ogrsf_frmts.h"
36 
37 class CPL_DLL OGRLayerDecorator : public OGRLayer
38 {
39  CPL_DISALLOW_COPY_ASSIGN(OGRLayerDecorator)
40 
41  protected:
42  OGRLayer *m_poDecoratedLayer;
43  int m_bHasOwnership;
44 
45  public:
46  OGRLayerDecorator(OGRLayer *poDecoratedLayer, int bTakeOwnership);
47  virtual ~OGRLayerDecorator();
48 
49  virtual OGRGeometry *GetSpatialFilter() override;
50  virtual void SetSpatialFilter(OGRGeometry *) override;
51  virtual void SetSpatialFilterRect(double dfMinX, double dfMinY,
52  double dfMaxX, double dfMaxY) override;
53  virtual void SetSpatialFilter(int iGeomField, OGRGeometry *) override;
54  virtual void SetSpatialFilterRect(int iGeomField, double dfMinX,
55  double dfMinY, double dfMaxX,
56  double dfMaxY) override;
57 
58  virtual OGRErr SetAttributeFilter(const char *) override;
59 
60  virtual void ResetReading() override;
61  virtual OGRFeature *GetNextFeature() override;
62  virtual OGRErr SetNextByIndex(GIntBig nIndex) override;
63  virtual OGRFeature *GetFeature(GIntBig nFID) override;
64  virtual OGRErr ISetFeature(OGRFeature *poFeature) override;
65  virtual OGRErr ICreateFeature(OGRFeature *poFeature) override;
66  virtual OGRErr IUpsertFeature(OGRFeature *poFeature) override;
67  virtual OGRErr DeleteFeature(GIntBig nFID) override;
68  OGRErr IUpdateFeature(OGRFeature *poFeature, int nUpdatedFieldsCount,
69  const int *panUpdatedFieldsIdx,
70  int nUpdatedGeomFieldsCount,
71  const int *panUpdatedGeomFieldsIdx,
72  bool bUpdateStyleString) override;
73 
74  virtual GDALDataset *GetDataset() override;
75  virtual bool GetArrowStream(struct ArrowArrayStream *out_stream,
76  CSLConstList papszOptions = nullptr) override;
77 
78  virtual const char *GetName() override;
79  virtual OGRwkbGeometryType GetGeomType() override;
80  virtual OGRFeatureDefn *GetLayerDefn() override;
81 
82  virtual OGRSpatialReference *GetSpatialRef() override;
83 
84  virtual GIntBig GetFeatureCount(int bForce = TRUE) override;
85  virtual OGRErr GetExtent(int iGeomField, OGREnvelope *psExtent,
86  int bForce = TRUE) override;
87  virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE) override;
88 
89  virtual int TestCapability(const char *) override;
90 
91  virtual OGRErr CreateField(const OGRFieldDefn *poField,
92  int bApproxOK = TRUE) override;
93  virtual OGRErr DeleteField(int iField) override;
94  virtual OGRErr ReorderFields(int *panMap) override;
95  virtual OGRErr AlterFieldDefn(int iField, OGRFieldDefn *poNewFieldDefn,
96  int nFlags) override;
97  virtual OGRErr
98  AlterGeomFieldDefn(int iGeomField,
99  const OGRGeomFieldDefn *poNewGeomFieldDefn,
100  int nFlags) override;
101 
102  virtual OGRErr CreateGeomField(const OGRGeomFieldDefn *poField,
103  int bApproxOK = TRUE) override;
104 
105  virtual OGRErr SyncToDisk() override;
106 
107  virtual OGRStyleTable *GetStyleTable() override;
108  virtual void SetStyleTableDirectly(OGRStyleTable *poStyleTable) override;
109 
110  virtual void SetStyleTable(OGRStyleTable *poStyleTable) override;
111 
112  virtual OGRErr StartTransaction() override;
113  virtual OGRErr CommitTransaction() override;
114  virtual OGRErr RollbackTransaction() override;
115 
116  virtual const char *GetFIDColumn() override;
117  virtual const char *GetGeometryColumn() override;
118 
119  virtual OGRErr SetIgnoredFields(CSLConstList papszFields) override;
120 
121  virtual char **GetMetadata(const char *pszDomain = "") override;
122  virtual CPLErr SetMetadata(char **papszMetadata,
123  const char *pszDomain = "") override;
124  virtual const char *GetMetadataItem(const char *pszName,
125  const char *pszDomain = "") override;
126  virtual CPLErr SetMetadataItem(const char *pszName, const char *pszValue,
127  const char *pszDomain = "") override;
128  virtual OGRErr Rename(const char *pszNewName) override;
129 
130  OGRLayer *GetBaseLayer() const
131  {
132  return m_poDecoratedLayer;
133  }
134 };
135 
136 #endif /* #ifndef DOXYGEN_SKIP */
137 
138 #endif // OGRLAYERDECORATOR_H_INCLUDED
A set of associated raster bands, usually from one file.
Definition: gdal_priv.h:503
virtual CPLErr SetMetadataItem(const char *pszName, const char *pszValue, const char *pszDomain="")
Set single metadata item.
Definition: gdalmajorobject.cpp:385
virtual CPLErr SetMetadata(char **papszMetadata, const char *pszDomain="")
Set metadata.
Definition: gdalmajorobject.cpp:290
virtual char ** GetMetadata(const char *pszDomain="")
Fetch metadata.
Definition: gdalmajorobject.cpp:247
virtual const char * GetMetadataItem(const char *pszName, const char *pszDomain="")
Fetch single metadata item.
Definition: gdalmajorobject.cpp:341
Simple container for a bounding region (rectangle)
Definition: ogr_core.h:61
Definition of a feature class or feature layer.
Definition: ogr_feature.h:517
A simple feature, including geometry and attributes.
Definition: ogr_feature.h:893
Definition of an attribute of an OGRFeatureDefn.
Definition: ogr_feature.h:111
Definition of a geometry field of an OGRFeatureDefn.
Definition: ogr_feature.h:346
Abstract base class for all geometry classes.
Definition: ogr_geometry.h:377
This class represents a layer of simple features, with access methods.
Definition: ogrsf_frmts.h:74
virtual void SetSpatialFilter(OGRGeometry *)
Set a new spatial filter.
Definition: ogrlayer.cpp:1487
virtual OGRErr DeleteFeature(GIntBig nFID)
Delete feature from layer.
Definition: ogrlayer.cpp:1998
virtual void SetStyleTableDirectly(OGRStyleTable *poStyleTable)
Set layer style table.
Definition: ogrlayer.cpp:2115
virtual OGRErr StartTransaction()
For datasources which support transactions, StartTransaction creates a transaction.
Definition: ogrlayer.cpp:1240
virtual const char * GetName()
Return the layer name.
Definition: ogrlayer.cpp:2178
virtual GIntBig GetFeatureCount(int bForce=TRUE)
Fetch the feature count in this layer.
Definition: ogrlayer.cpp:173
virtual void SetStyleTable(OGRStyleTable *poStyleTable)
Set layer style table.
Definition: ogrlayer.cpp:2126
virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce=TRUE)
Fetch the extent of this layer.
Definition: ogrlayer.cpp:211
virtual OGRErr IUpdateFeature(OGRFeature *poFeature, int nUpdatedFieldsCount, const int *panUpdatedFieldsIdx, int nUpdatedGeomFieldsCount, const int *panUpdatedGeomFieldsIdx, bool bUpdateStyleString)
Update (part of) an existing feature.
Definition: ogrlayer.cpp:901
virtual OGRErr IUpsertFeature(OGRFeature *poFeature)
Rewrite/replace an existing feature or create a new feature within a layer.
Definition: ogrlayer.cpp:833
virtual bool GetArrowStream(struct ArrowArrayStream *out_stream, CSLConstList papszOptions=nullptr)
Get a Arrow C stream.
Definition: ogrlayerarrow.cpp:2452
virtual OGRErr ICreateFeature(OGRFeature *poFeature)
Create and write a new feature within a layer.
Definition: ogrlayer.cpp:793
virtual OGRFeature * GetNextFeature()=0
Fetch the next available feature from this layer.
virtual OGRErr AlterGeomFieldDefn(int iGeomField, const OGRGeomFieldDefn *poNewGeomFieldDefn, int nFlagsIn)
Alter the definition of an existing geometry field on a layer.
Definition: ogrlayer.cpp:1169
virtual GDALDataset * GetDataset()
Return the dataset associated with this layer.
Definition: ogrlayer.cpp:5792
virtual OGRErr ISetFeature(OGRFeature *poFeature)
Rewrite/replace an existing feature.
Definition: ogrlayer.cpp:753
virtual OGRErr CreateField(const OGRFieldDefn *poField, int bApproxOK=TRUE)
Create a new field on a layer.
Definition: ogrlayer.cpp:958
virtual OGRErr CommitTransaction()
For datasources which support transactions, CommitTransaction commits a transaction.
Definition: ogrlayer.cpp:1267
virtual OGRSpatialReference * GetSpatialRef()
Fetch the spatial reference system for this layer.
Definition: ogrlayer.cpp:1369
virtual OGRFeatureDefn * GetLayerDefn()=0
Fetch the schema information for this layer.
virtual OGRwkbGeometryType GetGeomType()
Return the layer geometry type.
Definition: ogrlayer.cpp:2205
virtual OGRErr CreateGeomField(const OGRGeomFieldDefn *poField, int bApproxOK=TRUE)
Create a new geometry field on a layer.
Definition: ogrlayer.cpp:1204
virtual void ResetReading()=0
Reset feature reading to start on the first feature.
virtual OGRErr DeleteField(int iField)
Delete an existing field on a layer.
Definition: ogrlayer.cpp:993
virtual OGRErr SetIgnoredFields(CSLConstList papszFields)
Set which fields can be omitted when retrieving features from the layer.
Definition: ogrlayer.cpp:2242
virtual OGRErr RollbackTransaction()
For datasources which support transactions, RollbackTransaction will roll back a datasource to its st...
Definition: ogrlayer.cpp:1294
virtual OGRErr SetNextByIndex(GIntBig nIndex)
Move read cursor to the nIndex'th feature in the current resultset.
Definition: ogrlayer.cpp:598
virtual OGRStyleTable * GetStyleTable()
Returns layer style table.
Definition: ogrlayer.cpp:2106
virtual OGRErr SetAttributeFilter(const char *)
Set a new attribute query.
Definition: ogrlayer.cpp:436
virtual void SetSpatialFilterRect(double dfMinX, double dfMinY, double dfMaxX, double dfMaxY)
Set a new rectangular spatial filter.
Definition: ogrlayer.cpp:1563
virtual OGRFeature * GetFeature(GIntBig nFID)
Fetch a feature by its identifier.
Definition: ogrlayer.cpp:544
virtual OGRGeometry * GetSpatialFilter()
This method returns the current spatial filter for this layer.
Definition: ogrlayer.cpp:1418
virtual OGRErr Rename(const char *pszNewName)
Rename layer.
Definition: ogrlayer.cpp:2326
virtual OGRErr SyncToDisk()
Flush pending changes to disk.
Definition: ogrlayer.cpp:1971
virtual OGRErr ReorderFields(int *panMap)
Reorder all the fields of a layer.
Definition: ogrlayer.cpp:1025
virtual int TestCapability(const char *)=0
Test if this layer supported the named capability.
virtual const char * GetFIDColumn()
This method returns the name of the underlying database column being used as the FID column,...
Definition: ogrlayer.cpp:2049
virtual OGRErr AlterFieldDefn(int iField, OGRFieldDefn *poNewFieldDefn, int nFlagsIn)
Alter the definition of an existing field on a layer.
Definition: ogrlayer.cpp:1132
virtual const char * GetGeometryColumn()
This method returns the name of the underlying database column being used as the geometry column,...
Definition: ogrlayer.cpp:2076
This class represents an OpenGIS Spatial Reference System, and contains methods for converting betwee...
Definition: ogr_spatialref.h:169
This class represents a style table.
Definition: ogr_featurestyle.h:86
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:1042
char ** CSLConstList
Type of a constant null-terminated list of nul terminated strings.
Definition: cpl_port.h:1183
long long GIntBig
Large signed integer type (generally 64-bit integer type).
Definition: cpl_port.h:215
OGRwkbGeometryType
List of well known binary geometry types.
Definition: ogr_core.h:416
int OGRErr
Type for a OGR error.
Definition: ogr_core.h:387
Classes related to registration of format support, and opening datasets.