QGIS API Documentation  2.17.0-Master (0497e4a)
Public Member Functions | Protected Attributes | Friends | List of all members
QgsVectorLayerFeatureSource Class Reference

Partial snapshot of vector layer's state (only the members necessary for access to features) More...

#include <qgsvectorlayerfeatureiterator.h>

Inheritance diagram for QgsVectorLayerFeatureSource:
Inheritance graph
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Public Member Functions

 QgsVectorLayerFeatureSource (QgsVectorLayer *layer)
 
 ~QgsVectorLayerFeatureSource ()
 
virtual QgsFeatureIterator getFeatures (const QgsFeatureRequest &request) override
 Get an iterator for features matching the specified request. More...
 
- Public Member Functions inherited from QgsAbstractFeatureSource
virtual ~QgsAbstractFeatureSource ()
 

Protected Attributes

QList< QgsFieldmAddedAttributes
 
QgsFeatureMap mAddedFeatures
 
QgsChangedAttributesMap mChangedAttributeValues
 
QgsGeometryMap mChangedGeometries
 
long mCrsId
 
QgsAttributeList mDeletedAttributeIds
 
QgsFeatureIds mDeletedFeatureIds
 
QgsExpressionFieldBuffermExpressionFieldBuffer
 
QgsFields mFields
 
bool mHasEditBuffer
 
QgsVectorLayerJoinBuffermJoinBuffer
 
QgsAbstractFeatureSourcemProviderFeatureSource
 
- Protected Attributes inherited from QgsAbstractFeatureSource
QSet< QgsAbstractFeatureIterator *> mActiveIterators
 

Friends

class QgsVectorLayerFeatureIterator
 

Additional Inherited Members

- Protected Member Functions inherited from QgsAbstractFeatureSource
void iteratorClosed (QgsAbstractFeatureIterator *it)
 
void iteratorOpened (QgsAbstractFeatureIterator *it)
 

Detailed Description

Partial snapshot of vector layer's state (only the members necessary for access to features)

Note
not available in Python bindings

Definition at line 37 of file qgsvectorlayerfeatureiterator.h.

Constructor & Destructor Documentation

§ QgsVectorLayerFeatureSource()

QgsVectorLayerFeatureSource::QgsVectorLayerFeatureSource ( QgsVectorLayer layer)
explicit

Definition at line 29 of file qgsvectorlayerfeatureiterator.cpp.

§ ~QgsVectorLayerFeatureSource()

QgsVectorLayerFeatureSource::~QgsVectorLayerFeatureSource ( )

Definition at line 81 of file qgsvectorlayerfeatureiterator.cpp.

Member Function Documentation

§ getFeatures()

QgsFeatureIterator QgsVectorLayerFeatureSource::getFeatures ( const QgsFeatureRequest request)
overridevirtual

Get an iterator for features matching the specified request.

Parameters
requestThe request
Returns
A feature iterator

Implements QgsAbstractFeatureSource.

Definition at line 88 of file qgsvectorlayerfeatureiterator.cpp.

Friends And Related Function Documentation

§ QgsVectorLayerFeatureIterator

friend class QgsVectorLayerFeatureIterator
friend

Definition at line 45 of file qgsvectorlayerfeatureiterator.h.

Member Data Documentation

§ mAddedAttributes

QList<QgsField> QgsVectorLayerFeatureSource::mAddedAttributes
protected

Definition at line 65 of file qgsvectorlayerfeatureiterator.h.

§ mAddedFeatures

QgsFeatureMap QgsVectorLayerFeatureSource::mAddedFeatures
protected

Definition at line 62 of file qgsvectorlayerfeatureiterator.h.

§ mChangedAttributeValues

QgsChangedAttributesMap QgsVectorLayerFeatureSource::mChangedAttributeValues
protected

Definition at line 66 of file qgsvectorlayerfeatureiterator.h.

§ mChangedGeometries

QgsGeometryMap QgsVectorLayerFeatureSource::mChangedGeometries
protected

Definition at line 63 of file qgsvectorlayerfeatureiterator.h.

§ mCrsId

long QgsVectorLayerFeatureSource::mCrsId
protected

Definition at line 69 of file qgsvectorlayerfeatureiterator.h.

§ mDeletedAttributeIds

QgsAttributeList QgsVectorLayerFeatureSource::mDeletedAttributeIds
protected

Definition at line 67 of file qgsvectorlayerfeatureiterator.h.

§ mDeletedFeatureIds

QgsFeatureIds QgsVectorLayerFeatureSource::mDeletedFeatureIds
protected

Definition at line 64 of file qgsvectorlayerfeatureiterator.h.

§ mExpressionFieldBuffer

QgsExpressionFieldBuffer* QgsVectorLayerFeatureSource::mExpressionFieldBuffer
protected

Definition at line 53 of file qgsvectorlayerfeatureiterator.h.

§ mFields

QgsFields QgsVectorLayerFeatureSource::mFields
protected

Definition at line 55 of file qgsvectorlayerfeatureiterator.h.

§ mHasEditBuffer

bool QgsVectorLayerFeatureSource::mHasEditBuffer
protected

Definition at line 57 of file qgsvectorlayerfeatureiterator.h.

§ mJoinBuffer

QgsVectorLayerJoinBuffer* QgsVectorLayerFeatureSource::mJoinBuffer
protected

Definition at line 51 of file qgsvectorlayerfeatureiterator.h.

§ mProviderFeatureSource

QgsAbstractFeatureSource* QgsVectorLayerFeatureSource::mProviderFeatureSource
protected

Definition at line 49 of file qgsvectorlayerfeatureiterator.h.


The documentation for this class was generated from the following files: