QgsAbstractFeatureSource Class Reference

Base class that can be used for any class that is capable of returning features. More...

#include <qgsfeaturerequest.h>

Inheritance diagram for QgsAbstractFeatureSource:

Public Member Functions
virtual	~QgsAbstractFeatureSource ()
virtual QgsFeatureIterator	getFeatures (const QgsFeatureRequest &request)=0
	Get an iterator for features matching the specified request. More...

Protected Member Functions
void	iteratorClosed (QgsAbstractFeatureIterator *it)
void	iteratorOpened (QgsAbstractFeatureIterator *it)

Protected Attributes
QSet< QgsAbstractFeatureIterator *>	mActiveIterators

Friends
template<typename >
class	QgsAbstractFeatureIteratorFromSource

Detailed Description

Base class that can be used for any class that is capable of returning features.

Note

added in 2.4

Definition at line 423 of file qgsfeaturerequest.h.

Constructor & Destructor Documentation

~QgsAbstractFeatureSource()

QgsAbstractFeatureSource::~QgsAbstractFeatureSource ( )

virtual

Definition at line 254 of file qgsfeaturerequest.cpp.

Member Function Documentation

getFeatures()

virtual QgsFeatureIterator QgsAbstractFeatureSource::getFeatures ( const QgsFeatureRequest &  request )

pure virtual

Get an iterator for features matching the specified request.

Parameters

request

The request

Returns

A feature iterator

Implemented in QgsVectorLayerFeatureSource.

iteratorClosed()

void QgsAbstractFeatureSource::iteratorClosed ( QgsAbstractFeatureIterator *  it )

protected

Definition at line 269 of file qgsfeaturerequest.cpp.

iteratorOpened()

void QgsAbstractFeatureSource::iteratorOpened ( QgsAbstractFeatureIterator *  it )

protected

Definition at line 264 of file qgsfeaturerequest.cpp.

Friends And Related Function Documentation

QgsAbstractFeatureIteratorFromSource

template<typename >

friend class QgsAbstractFeatureIteratorFromSource

friend

Definition at line 441 of file qgsfeaturerequest.h.

Member Data Documentation

mActiveIterators

QSet< QgsAbstractFeatureIterator* > QgsAbstractFeatureSource::mActiveIterators

protected

Definition at line 439 of file qgsfeaturerequest.h.

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

• /tmp/buildd/qgis-2.18.21+99unstable/src/core/qgsfeaturerequest.h
• /tmp/buildd/qgis-2.18.21+99unstable/src/core/qgsfeaturerequest.cpp