OGR
ogreditablelayer.h
1 /******************************************************************************
2  * $Id: ogreditablelayer.h 33714 2016-03-13 05:42:13Z goatbar $
3  *
4  * Project: OpenGIS Simple Features Reference Implementation
5  * Purpose: Defines OGREditableLayer class
6  * Author: Even Rouault <even.rouault at spatialys.com>
7  *
8  ******************************************************************************
9  * Copyright (c) 2015, Even Rouault <even.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
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 OGREDITABLELAYER_H_INCLUDED
31 #define OGREDITABLELAYER_H_INCLUDED
32 
33 #include "ogrlayerdecorator.h"
34 #include <set>
35 
37 {
38  public:
40 
41  virtual OGRErr EditableSyncToDisk(OGRLayer* poEditableLayer,
42  OGRLayer** ppoDecoratedLayer) = 0;
43 };
44 
45 class CPL_DLL OGREditableLayer : public OGRLayerDecorator
46 {
47  protected:
48 
49  IOGREditableLayerSynchronizer *m_poSynchronizer;
50  bool m_bTakeOwnershipSynchronizer;
51  OGRFeatureDefn *m_poEditableFeatureDefn;
52  GIntBig m_nNextFID;
53  std::set<GIntBig> m_oSetCreated;
54  std::set<GIntBig> m_oSetEdited;
55  std::set<GIntBig> m_oSetDeleted;
56  std::set<GIntBig>::iterator m_oIter;
57  std::set<CPLString> m_oSetDeletedFields;
58  OGRLayer *m_poMemLayer;
59  bool m_bStructureModified;
60  bool m_bSupportsCreateGeomField;
61  bool m_bSupportsCurveGeometries;
62 
63  OGRFeature *Translate(OGRFeatureDefn* poTargetDefn,
64  OGRFeature* poSrcFeature,
65  bool bCanStealSrcFeature,
66  bool bHideDeletedFields);
67  void DetectNextFID();
68  int GetSrcGeomFieldIndex(int iGeomField);
69 
70  public:
71 
72  OGREditableLayer(OGRLayer* poDecoratedLayer,
73  bool bTakeOwnershipDecoratedLayer,
74  IOGREditableLayerSynchronizer* poSynchronizer,
75  bool bTakeOwnershipSynchronizer);
76  virtual ~OGREditableLayer();
77 
78  void SetNextFID(GIntBig nNextFID);
79  void SetSupportsCreateGeomField(bool SupportsCreateGeomField);
80  void SetSupportsCurveGeometries(bool bSupportsCurveGeometries);
81 
82  virtual OGRGeometry *GetSpatialFilter();
83  virtual void SetSpatialFilter( OGRGeometry * );
84  virtual void SetSpatialFilterRect( double dfMinX, double dfMinY,
85  double dfMaxX, double dfMaxY );
86  virtual void SetSpatialFilter( int iGeomField, OGRGeometry * );
87  virtual void SetSpatialFilterRect( int iGeomField, double dfMinX, double dfMinY,
88  double dfMaxX, double dfMaxY );
89 
90  virtual OGRErr SetAttributeFilter( const char * );
91 
92  virtual void ResetReading();
93  virtual OGRFeature *GetNextFeature();
94  virtual OGRErr SetNextByIndex( GIntBig nIndex );
95  virtual OGRFeature *GetFeature( GIntBig nFID );
96  virtual OGRErr ISetFeature( OGRFeature *poFeature );
97  virtual OGRErr ICreateFeature( OGRFeature *poFeature );
98  virtual OGRErr DeleteFeature( GIntBig nFID );
99 
101  virtual OGRFeatureDefn *GetLayerDefn();
102 
104 
105  virtual GIntBig GetFeatureCount( int bForce = TRUE );
106  virtual OGRErr GetExtent(int iGeomField, OGREnvelope *psExtent, int bForce = TRUE);
107  virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE);
108 
109  virtual int TestCapability( const char * );
110 
111  virtual OGRErr CreateField( OGRFieldDefn *poField,
112  int bApproxOK = TRUE );
113  virtual OGRErr DeleteField( int iField );
114  virtual OGRErr ReorderFields( int* panMap );
115  virtual OGRErr AlterFieldDefn( int iField, OGRFieldDefn* poNewFieldDefn, int nFlags );
116 
117  virtual OGRErr CreateGeomField( OGRGeomFieldDefn *poField,
118  int bApproxOK = TRUE );
119 
120  virtual OGRErr SyncToDisk();
121 
122  virtual OGRErr StartTransaction();
123  virtual OGRErr CommitTransaction();
124  virtual OGRErr RollbackTransaction();
125 
126  virtual const char *GetGeometryColumn();
127 };
128 
129 #endif // OGREDITABLELAYER_H_INCLUDED
virtual void SetSpatialFilterRect(double dfMinX, double dfMinY, double dfMaxX, double dfMaxY)
Set a new rectangular spatial filter.
Definition: ogrlayerdecorator.cpp:68
Definition: ogreditablelayer.h:45
virtual void ResetReading()
Reset feature reading to start on the first feature.
Definition: ogrlayerdecorator.cpp:88
virtual OGRErr SetNextByIndex(GIntBig nIndex)
Move read cursor to the nIndex&#39;th feature in the current resultset.
Definition: ogrlayerdecorator.cpp:100
virtual OGRErr DeleteFeature(GIntBig nFID)
Delete feature from layer.
Definition: ogrlayerdecorator.cpp:124
virtual OGRErr GetExtent(int iGeomField, OGREnvelope *psExtent, int bForce=TRUE)
Fetch the extent of this layer, on the specified geometry field.
Definition: ogrlayerdecorator.cpp:166
virtual int TestCapability(const char *)
Test if this layer supported the named capability.
Definition: ogrlayerdecorator.cpp:172
Definition: ogr_feature.h:143
virtual OGRSpatialReference * GetSpatialRef()
Fetch the spatial reference system for this layer.
Definition: ogrlayerdecorator.cpp:148
virtual OGRErr CreateField(OGRFieldDefn *poField, int bApproxOK=TRUE)
Create a new field on a layer.
Definition: ogrlayerdecorator.cpp:178
virtual OGRErr CreateGeomField(OGRGeomFieldDefn *poField, int bApproxOK=TRUE)
Create a new geometry field on a layer.
Definition: ogrlayerdecorator.cpp:203
Definition: ogrlayerdecorator.h:35
virtual OGRFeature * GetFeature(GIntBig nFID)
Fetch a feature by its identifier.
Definition: ogrlayerdecorator.cpp:106
Definition: ogr_feature.h:206
Definition: ogreditablelayer.h:36
Definition: ogr_feature.h:62
virtual OGRErr DeleteField(int iField)
Delete an existing field on a layer.
Definition: ogrlayerdecorator.cpp:185
virtual OGRFeatureDefn * GetLayerDefn()
Fetch the schema information for this layer.
Definition: ogrlayerdecorator.cpp:142
OGRwkbGeometryType
Definition: ogr_core.h:333
Definition: ogr_geometry.h:104
virtual OGRErr AlterFieldDefn(int iField, OGRFieldDefn *poNewFieldDefn, int nFlags)
Alter the definition of an existing field on a layer.
Definition: ogrlayerdecorator.cpp:197
virtual GIntBig GetFeatureCount(int bForce=TRUE)
Fetch the feature count in this layer.
Definition: ogrlayerdecorator.cpp:154
virtual const char * GetGeometryColumn()
This method returns the name of the underlying database column being used as the geometry column...
Definition: ogrlayerdecorator.cpp:258
virtual OGRErr ReorderFields(int *panMap)
Reorder all the fields of a layer.
Definition: ogrlayerdecorator.cpp:191
Definition: ogr_spatialref.h:129
virtual OGRFeature * GetNextFeature()
Fetch the next available feature from this layer.
Definition: ogrlayerdecorator.cpp:94
Definition: ogr_core.h:48
virtual OGRErr ICreateFeature(OGRFeature *poFeature)
Create and write a new feature within a layer.
Definition: ogrlayerdecorator.cpp:118
Definition: ogrsf_frmts.h:66
Definition: ogr_feature.h:274
virtual OGRwkbGeometryType GetGeomType()
Return the layer geometry type.
Definition: ogrlayerdecorator.cpp:136
virtual OGRErr SetAttributeFilter(const char *)
Set a new attribute query.
Definition: ogrlayerdecorator.cpp:82
virtual OGRGeometry * GetSpatialFilter()
This method returns the current spatial filter for this layer.
Definition: ogrlayerdecorator.cpp:50
virtual OGRErr ISetFeature(OGRFeature *poFeature)
Rewrite an existing feature.
Definition: ogrlayerdecorator.cpp:112
virtual OGRErr SyncToDisk()
Flush pending changes to disk.
Definition: ogrlayerdecorator.cpp:210
virtual void SetSpatialFilter(OGRGeometry *)
Set a new spatial filter.
Definition: ogrlayerdecorator.cpp:56

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