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// abstract feature iterator implementations are not part of public API
class QgsVectorLayerFeatureIterator : QgsAbstractFeatureIterator
{
%TypeHeaderCode
#include <qgsvectorlayerfeatureiterator.h>
%End
public:
~QgsVectorLayerFeatureIterator();
//! reset the iterator to the starting position
virtual bool rewind();
//! end of iterating: free the resources / lock
virtual bool close();
protected:
//! fetch next feature, return true on success
virtual bool fetchFeature( QgsFeature& feature );
//! Overrides default method as we only need to filter features in the edit buffer
//! while for others filtering is left to the provider implementation.
virtual bool nextFeatureFilterExpression( QgsFeature &f );
//! Setup the simplification of geometries to fetch using the specified simplify method
virtual bool prepareSimplification( const QgsSimplifyMethod& simplifyMethod );
//! @note not available in Python bindings
//void rewindEditBuffer();
//! @note not available in Python bindings
//void prepareJoins();
//! @note not available in Python bindings
//void prepareExpressions();
//! @note not available in Python bindings
//bool fetchNextAddedFeature( QgsFeature& f );
//! @note not available in Python bindings
//bool fetchNextChangedGeomFeature( QgsFeature& f );
//! @note not available in Python bindings
//bool fetchNextChangedAttributeFeature( QgsFeature& f );
//! @note not available in Python bindings
//void useAddedFeature( const QgsFeature& src, QgsFeature& f );
//! @note not available in Python bindings
//void useChangedAttributeFeature( QgsFeatureId fid, const QgsGeometry& geom, QgsFeature& f );
//! @note not available in Python bindings
//bool nextFeatureFid( QgsFeature& f );
//! @note not available in Python bindings
//void addJoinedAttributes( QgsFeature &f );
/**
* Adds attributes that don't source from the provider but are added inside QGIS
* Includes
* - Joined fields
* - Expression fields
*
* @param f The feature will be modified
* @note not available in Python bindings
*/
//void addVirtualAttributes( QgsFeature &f );
/** Update feature with uncommited attribute updates.
* @note not available in Python bindings
*/
//void updateChangedAttributes( QgsFeature& f );
/** Update feature with uncommited geometry updates.
* @note not available in Python bindings
*/
//void updateFeatureGeometry( QgsFeature& f );
private:
QgsVectorLayerFeatureIterator( const QgsVectorLayerFeatureIterator &rhs );
};
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