GDAL
ogreditablelayer.h
1 /******************************************************************************
2  * $Id: ogreditablelayer.h 36501 2016-11-25 14:09:24Z rouault $
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 
34 #include "ogrlayerdecorator.h"
35 #include <set>
36 
37 class CPL_DLL IOGREditableLayerSynchronizer
38 {
39  public:
40  virtual ~IOGREditableLayerSynchronizer();
41 
42  virtual OGRErr EditableSyncToDisk(OGRLayer* poEditableLayer,
43  OGRLayer** ppoDecoratedLayer) = 0;
44 };
45 
46 class CPL_DLL OGREditableLayer : public OGRLayerDecorator
47 {
48  protected:
49 
50  IOGREditableLayerSynchronizer *m_poSynchronizer;
51  bool m_bTakeOwnershipSynchronizer;
52  OGRFeatureDefn *m_poEditableFeatureDefn;
53  GIntBig m_nNextFID;
54  std::set<GIntBig> m_oSetCreated;
55  std::set<GIntBig> m_oSetEdited;
56  std::set<GIntBig> m_oSetDeleted;
57  std::set<GIntBig>::iterator m_oIter;
58  std::set<CPLString> m_oSetDeletedFields;
59  OGRLayer *m_poMemLayer;
60  bool m_bStructureModified;
61  bool m_bSupportsCreateGeomField;
62  bool m_bSupportsCurveGeometries;
63 
64  OGRFeature *Translate(OGRFeatureDefn* poTargetDefn,
65  OGRFeature* poSrcFeature,
66  bool bCanStealSrcFeature,
67  bool bHideDeletedFields);
68  void DetectNextFID();
69  int GetSrcGeomFieldIndex(int iGeomField);
70 
71  public:
72 
73  OGREditableLayer(OGRLayer* poDecoratedLayer,
74  bool bTakeOwnershipDecoratedLayer,
75  IOGREditableLayerSynchronizer* poSynchronizer,
76  bool bTakeOwnershipSynchronizer);
77  virtual ~OGREditableLayer();
78 
79  void SetNextFID(GIntBig nNextFID);
80  void SetSupportsCreateGeomField(bool SupportsCreateGeomField);
81  void SetSupportsCurveGeometries(bool bSupportsCurveGeometries);
82 
83  virtual OGRGeometry *GetSpatialFilter() override;
84  virtual void SetSpatialFilter( OGRGeometry * ) override;
85  virtual void SetSpatialFilterRect( double dfMinX, double dfMinY,
86  double dfMaxX, double dfMaxY ) override;
87  virtual void SetSpatialFilter( int iGeomField, OGRGeometry * ) override;
88  virtual void SetSpatialFilterRect( int iGeomField, double dfMinX, double dfMinY,
89  double dfMaxX, double dfMaxY ) override;
90 
91  virtual OGRErr SetAttributeFilter( const char * ) override;
92 
93  virtual void ResetReading() override;
94  virtual OGRFeature *GetNextFeature() override;
95  virtual OGRErr SetNextByIndex( GIntBig nIndex ) override;
96  virtual OGRFeature *GetFeature( GIntBig nFID ) override;
97  virtual OGRErr ISetFeature( OGRFeature *poFeature ) override;
98  virtual OGRErr ICreateFeature( OGRFeature *poFeature ) override;
99  virtual OGRErr DeleteFeature( GIntBig nFID ) override;
100 
101  virtual OGRwkbGeometryType GetGeomType() override;
102  virtual OGRFeatureDefn *GetLayerDefn() override;
103 
104  virtual OGRSpatialReference *GetSpatialRef() override;
105 
106  virtual GIntBig GetFeatureCount( int bForce = TRUE ) override;
107  virtual OGRErr GetExtent(int iGeomField, OGREnvelope *psExtent, int bForce = TRUE) override;
108  virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE) override;
109 
110  virtual int TestCapability( const char * ) override;
111 
112  virtual OGRErr CreateField( OGRFieldDefn *poField,
113  int bApproxOK = TRUE ) override;
114  virtual OGRErr DeleteField( int iField ) override;
115  virtual OGRErr ReorderFields( int* panMap ) override;
116  virtual OGRErr AlterFieldDefn( int iField, OGRFieldDefn* poNewFieldDefn, int nFlags ) override;
117 
118  virtual OGRErr CreateGeomField( OGRGeomFieldDefn *poField,
119  int bApproxOK = TRUE ) override;
120 
121  virtual OGRErr SyncToDisk() override;
122 
123  virtual OGRErr StartTransaction() override;
124  virtual OGRErr CommitTransaction() override;
125  virtual OGRErr RollbackTransaction() override;
126 
127  virtual const char *GetGeometryColumn() override;
128 };
130 
131 #endif // OGREDITABLELAYER_H_INCLUDED
Definition of a geometry field of an OGRFeatureDefn.
Definition: ogr_feature.h:141
Definition of a feature class or feature layer.
Definition: ogr_feature.h:207
Definition of an attribute of an OGRFeatureDefn.
Definition: ogr_feature.h:62
OGRwkbGeometryType
List of well known binary geometry types.
Definition: ogr_core.h:312
Abstract base class for all geometry classes.
Definition: ogr_geometry.h:118
This class represents an OpenGIS Spatial Reference System, and contains methods for converting betwee...
Definition: ogr_spatialref.h:132
This class represents a layer of simple features, with access methods.
Definition: ogrsf_frmts.h:68
A simple feature, including geometry and attributes.
Definition: ogr_feature.h:279
long long GIntBig
Large signed integer type (generally 64-bit integer type).
Definition: cpl_port.h:250
int OGRErr
Simple container for a bounding region.
Definition: ogr_core.h:285

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