18#ifndef QGSFEATUREFILTERPROVIDERGROUP_H 
   19#define QGSFEATUREFILTERPROVIDERGROUP_H 
   22#include "qgis_server.h" 
A filter filter provider grouping several filter providers.
 
bool isFilterThreadSafe() const override
Returns true if the filterFeature function is thread safe, which will lead to reliance on layer ID in...
 
QgsFeatureFilterProviderGroup()=default
Constructor.
 
Abstract interface for use by classes that filter the features or attributes of a layer.
 
virtual QStringList layerAttributes(const QgsVectorLayer *layer, const QStringList &attributes) const =0
Returns the list of visible attribute names from a list of attributes names for the given layer.
 
virtual Q_DECL_DEPRECATED void filterFeatures(const QgsVectorLayer *layer, QgsFeatureRequest &featureRequest) const
Add additional filters to the feature request to further restrict the features returned by the reques...
 
virtual QgsFeatureFilterProvider * clone() const =0
Create a clone of the feature filter provider.
 
Wraps a request for features to a vector layer (or directly its vector data provider).
 
Represents a vector layer which manages a vector based dataset.