Class: QgsCachedFeatureIterator¶

Delivers features from the cache.

Class Hierarchy¶

Internal feature iterator to be implemented within data providers.

class qgis.core.QgsCachedFeatureIterator[source]¶

__init__(vlCache: QgsVectorLayerCache | None, featureRequest: QgsFeatureRequest)

This constructor creates a feature iterator, that delivers all cached features. No request is made to the backend.

Parameters:

abstract close(self) → bool[source]¶

Close this iterator. No further features will be available.

abstract fetchFeature(self, f: QgsFeature) → bool[source]¶

Implementation for fetching a feature.

virtual nextFeatureFilterFids(self, f: QgsFeature) → bool[source]¶

We have a local special iterator for FilterFids, no need to run the generic.

abstract rewind(self) → bool[source]¶

Rewind to the beginning of the iterator