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ogrlayerdecorator.h
1 /******************************************************************************
2 * $Id: ogrlayerdecorator.h 32467 2015-12-26 10:54:09Z rouault $
3 *
4 * Project: OpenGIS Simple Features Reference Implementation
5 * Purpose: Defines OGRLayerDecorator class
6 * Author: Even Rouault, even dot rouault at mines dash paris dot org
7 *
8 ******************************************************************************
9 * Copyright (c) 2012-2013, 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 OGRLAYERDECORATOR_H_INCLUDED
31 #define OGRLAYERDECORATOR_H_INCLUDED
32
33 #include "ogrsf_frmts.h"
34
35 class CPL_DLL OGRLayerDecorator : public OGRLayer
36 {
37 protected:
38 OGRLayer *m_poDecoratedLayer;
39 int m_bHasOwnership;
40
41 public:
42
43 OGRLayerDecorator(OGRLayer* poDecoratedLayer,
44 int bTakeOwnership);
45 virtual ~OGRLayerDecorator();
46
47 virtual OGRGeometry *GetSpatialFilter();
48 virtual void SetSpatialFilter( OGRGeometry * );
49 virtual void SetSpatialFilterRect( double dfMinX, double dfMinY,
50 double dfMaxX, double dfMaxY );
51 virtual void SetSpatialFilter( int iGeomField, OGRGeometry * );
52 virtual void SetSpatialFilterRect( int iGeomField, double dfMinX, double dfMinY,
53 double dfMaxX, double dfMaxY );
54
55 virtual OGRErr SetAttributeFilter( const char * );
56
57 virtual void ResetReading();
58 virtual OGRFeature *GetNextFeature();
59 virtual OGRErr SetNextByIndex( GIntBig nIndex );
60 virtual OGRFeature *GetFeature( GIntBig nFID );
61 virtual OGRErr ISetFeature( OGRFeature *poFeature );
62 virtual OGRErr ICreateFeature( OGRFeature *poFeature );
63 virtual OGRErr DeleteFeature( GIntBig nFID );
64
65 virtual const char *GetName();
66 virtual OGRwkbGeometryType GetGeomType();
67 virtual OGRFeatureDefn *GetLayerDefn();
68
69 virtual OGRSpatialReference *GetSpatialRef();
70
71 virtual GIntBig GetFeatureCount( int bForce = TRUE );
72 virtual OGRErr GetExtent(int iGeomField, OGREnvelope *psExtent, int bForce = TRUE);
73 virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE);
74
75 virtual int TestCapability( const char * );
76
77 virtual OGRErr CreateField( OGRFieldDefn *poField,
78 int bApproxOK = TRUE );
79 virtual OGRErr DeleteField( int iField );
80 virtual OGRErr ReorderFields( int* panMap );
81 virtual OGRErr AlterFieldDefn( int iField, OGRFieldDefn* poNewFieldDefn, int nFlags );
82
83 virtual OGRErr CreateGeomField( OGRGeomFieldDefn *poField,
84 int bApproxOK = TRUE );
85
86 virtual OGRErr SyncToDisk();
87
88 virtual OGRStyleTable *GetStyleTable();
89 virtual void SetStyleTableDirectly( OGRStyleTable *poStyleTable );
90
91 virtual void SetStyleTable(OGRStyleTable *poStyleTable);
92
93 virtual OGRErr StartTransaction();
94 virtual OGRErr CommitTransaction();
95 virtual OGRErr RollbackTransaction();
96
97 virtual const char *GetFIDColumn();
98 virtual const char *GetGeometryColumn();
99
100 virtual OGRErr SetIgnoredFields( const char **papszFields );
101
102 virtual char **GetMetadata( const char * pszDomain = "" );
103 virtual CPLErr SetMetadata( char ** papszMetadata,
104 const char * pszDomain = "" );
105 virtual const char *GetMetadataItem( const char * pszName,
106 const char * pszDomain = "" );
107 virtual CPLErr SetMetadataItem( const char * pszName,
108 const char * pszValue,
109 const char * pszDomain = "" );
110
111 OGRLayer* GetBaseLayer() { return m_poDecoratedLayer; }
112 };
113
114 #endif // OGRLAYERDECORATOR_H_INCLUDED
OGRLayer::ISetFeature
virtual OGRErr ISetFeature(OGRFeature *poFeature) CPL_WARN_UNUSED_RESULT
Rewrite an existing feature.
Definition: ogrlayer.cpp:596
OGRLayer::SetStyleTable
virtual void SetStyleTable(OGRStyleTable *poStyleTable)
Set layer style table.
Definition: ogrlayer.cpp:1660
OGRLayer::GetFIDColumn
virtual const char * GetFIDColumn()
This method returns the name of the underlying database column being used as the FID column...
Definition: ogrlayer.cpp:1583
OGRLayer::GetLayerDefn
virtual OGRFeatureDefn * GetLayerDefn()=0
Fetch the schema information for this layer.
OGRLayer::SetAttributeFilter
virtual OGRErr SetAttributeFilter(const char *)
Set a new attribute query.
Definition: ogrlayer.cpp:340
OGRLayer::ICreateFeature
virtual OGRErr ICreateFeature(OGRFeature *poFeature) CPL_WARN_UNUSED_RESULT
Create and write a new feature within a layer.
Definition: ogrlayer.cpp:635
OGRLayer::SetSpatialFilter
virtual void SetSpatialFilter(OGRGeometry *)
Set a new spatial filter.
Definition: ogrlayer.cpp:1106
OGRLayer::SetNextByIndex
virtual OGRErr SetNextByIndex(GIntBig nIndex)
Move read cursor to the nIndex'th feature in the current resultset.
Definition: ogrlayer.cpp:498
OGRGeomFieldDefn
Definition of a geometry field of an OGRFeatureDefn.
Definition: ogr_feature.h:143
OGRLayer::SetIgnoredFields
virtual OGRErr SetIgnoredFields(const char **papszFields)
Set which fields can be omitted when retrieving features from the layer.
Definition: ogrlayer.cpp:1775
OGRLayer::GetSpatialFilter
virtual OGRGeometry * GetSpatialFilter()
This method returns the current spatial filter for this layer.
Definition: ogrlayer.cpp:1079
OGRLayer::SetStyleTableDirectly
virtual void SetStyleTableDirectly(OGRStyleTable *poStyleTable)
Set layer style table.
Definition: ogrlayer.cpp:1649
OGRLayerDecorator
Definition: ogrlayerdecorator.h:35
OGRLayer::CreateGeomField
virtual OGRErr CreateGeomField(OGRGeomFieldDefn *poField, int bApproxOK=TRUE)
Create a new geometry field on a layer.
Definition: ogrlayer.cpp:872
GDALMajorObject::GetMetadata
virtual char ** GetMetadata(const char *pszDomain="")
Fetch metadata.
Definition: gdalmajorobject.cpp:243
OGRLayer::GetName
virtual const char * GetName()
Return the layer name.
Definition: ogrlayer.cpp:1711
OGRLayer::AlterFieldDefn
virtual OGRErr AlterFieldDefn(int iField, OGRFieldDefn *poNewFieldDefn, int nFlagsIn)
Alter the definition of an existing field on a layer.
Definition: ogrlayer.cpp:838
OGRFeatureDefn
Definition of a feature class or feature layer.
Definition: ogr_feature.h:206
OGRLayer::ReorderFields
virtual OGRErr ReorderFields(int *panMap)
Reorder all the fields of a layer.
Definition: ogrlayer.cpp:731
OGRLayer::GetFeature
virtual OGRFeature * GetFeature(GIntBig nFID) CPL_WARN_UNUSED_RESULT
Fetch a feature by its identifier.
Definition: ogrlayer.cpp:446
OGRLayer::SetSpatialFilterRect
virtual void SetSpatialFilterRect(double dfMinX, double dfMinY, double dfMaxX, double dfMaxY)
Set a new rectangular spatial filter.
Definition: ogrlayer.cpp:1176
OGRFieldDefn
Definition of an attribute of an OGRFeatureDefn.
Definition: ogr_feature.h:62
OGRLayer::GetGeometryColumn
virtual const char * GetGeometryColumn()
This method returns the name of the underlying database column being used as the geometry column...
Definition: ogrlayer.cpp:1610
GDALMajorObject::GetMetadataItem
virtual const char * GetMetadataItem(const char *pszName, const char *pszDomain="")
Fetch single metadata item.
Definition: gdalmajorobject.cpp:331
OGRwkbGeometryType
OGRwkbGeometryType
List of well known binary geometry types.
Definition: ogr_core.h:333
OGRLayer::GetFeatureCount
virtual GIntBig GetFeatureCount(int bForce=TRUE)
Fetch the feature count in this layer.
Definition: ogrlayer.cpp:171
OGRGeometry
Abstract base class for all geometry classes.
Definition: ogr_geometry.h:104
ogrsf_frmts.h
Classes related to registration of format support, and opening datasets.
GDALMajorObject::SetMetadata
virtual CPLErr SetMetadata(char **papszMetadata, const char *pszDomain="")
Set metadata.
Definition: gdalmajorobject.cpp:286
OGRLayer::TestCapability
virtual int TestCapability(const char *)=0
Test if this layer supported the named capability.
OGRLayer::ResetReading
virtual void ResetReading()=0
Reset feature reading to start on the first feature.
OGRSpatialReference
This class represents an OpenGIS Spatial Reference System, and contains methods for converting betwee...
Definition: ogr_spatialref.h:129
OGREnvelope
Simple container for a bounding region.
Definition: ogr_core.h:48
OGRLayer::SyncToDisk
virtual OGRErr SyncToDisk()
Flush pending changes to disk.
Definition: ogrlayer.cpp:1508
OGRLayer
This class represents a layer of simple features, with access methods.
Definition: ogrsf_frmts.h:66
OGRLayer::GetExtent
virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce=TRUE) CPL_WARN_UNUSED_RESULT
Fetch the extent of this layer.
Definition: ogrlayer.cpp:212
OGRLayer::CreateField
virtual OGRErr CreateField(OGRFieldDefn *poField, int bApproxOK=TRUE)
Create a new field on a layer.
Definition: ogrlayer.cpp:663
OGRFeature
A simple feature, including geometry and attributes.
Definition: ogr_feature.h:274
OGRLayer::GetNextFeature
virtual OGRFeature * GetNextFeature() CPL_WARN_UNUSED_RESULT=0
Fetch the next available feature from this layer.
OGRStyleTable
This class represents a style table.
Definition: ogr_featurestyle.h:82
OGRLayer::DeleteField
virtual OGRErr DeleteField(int iField)
Delete an existing field on a layer.
Definition: ogrlayer.cpp:699
OGRLayer::GetStyleTable
virtual OGRStyleTable * GetStyleTable()
Returns layer style table.
Definition: ogrlayer.cpp:1640
OGRLayer::DeleteFeature
virtual OGRErr DeleteFeature(GIntBig nFID) CPL_WARN_UNUSED_RESULT
Delete feature from layer.
Definition: ogrlayer.cpp:1535
OGRLayer::GetSpatialRef
virtual OGRSpatialReference * GetSpatialRef()
Fetch the spatial reference system for this layer.
Definition: ogrlayer.cpp:1032
GDALMajorObject::SetMetadataItem
virtual CPLErr SetMetadataItem(const char *pszName, const char *pszValue, const char *pszDomain="")
Set single metadata item.
Definition: gdalmajorobject.cpp:374
OGRLayer::GetGeomType
virtual OGRwkbGeometryType GetGeomType()
Return the layer geometry type.
Definition: ogrlayer.cpp:1738

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