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src
server
qgsdimensionfilter.h
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/***************************************************************************
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qgsdimensionfilter.h
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-------------------
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begin : September 2021
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copyright : (C) 2021 Matthias Kuhn
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email : matthias@opengis.ch
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSDIMENSIONFILTER_H
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#define QGSDIMENSIONFILTER_H
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#include "qgis_server.h"
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#include "
qgsfeaturefilterprovider.h
"
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#include <QHash>
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#define SIP_NO_FILE
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class
SERVER_EXPORT
QgsDimensionFilter
:
public
QgsFeatureFilterProvider
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{
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public
:
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QgsDimensionFilter
(
const
QHash<const QgsVectorLayer *, QStringList> dimensionFilter );
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bool
isFilterThreadSafe
()
const override
{
return
false
; }
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using
QgsFeatureFilterProvider::filterFeatures
;
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void
filterFeatures
(
const
QgsVectorLayer
*layer,
QgsFeatureRequest
&filterFeatures )
const override
;
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QStringList
layerAttributes
(
const
QgsVectorLayer
*layer,
const
QStringList &attributes )
const override
;
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QgsDimensionFilter
*
clone
()
const override
;
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private
:
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QHash<const QgsVectorLayer *, QStringList> mDimensionFilter;
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};
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#endif
// QGSDIMENSIONFILTER_H
QgsDimensionFilter
A server filter to apply a dimension filter to a request.
Definition
qgsdimensionfilter.h:36
QgsDimensionFilter::QgsDimensionFilter
QgsDimensionFilter(const QHash< const QgsVectorLayer *, QStringList > dimensionFilter)
Creates a new dimension filter object with a list of filters to be applied to vector layers.
Definition
qgsdimensionfilter.cpp:22
QgsDimensionFilter::isFilterThreadSafe
bool isFilterThreadSafe() const override
Returns true if the filterFeature function is thread safe, which will lead to reliance on layer ID in...
Definition
qgsdimensionfilter.h:44
QgsFeatureFilterProvider::layerAttributes
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.
QgsFeatureFilterProvider::filterFeatures
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...
Definition
qgsfeaturefilterprovider.h:67
QgsFeatureFilterProvider::QgsFeatureFilterProvider
QgsFeatureFilterProvider()=default
QgsFeatureFilterProvider::clone
virtual QgsFeatureFilterProvider * clone() const =0
Create a clone of the feature filter provider.
QgsFeatureRequest
Wraps a request for features to a vector layer (or directly its vector data provider).
Definition
qgsfeaturerequest.h:85
QgsVectorLayer
Represents a vector layer which manages a vector based dataset.
Definition
qgsvectorlayer.h:414
qgsfeaturefilterprovider.h
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