QGIS API Documentation
3.26.3-Buenos Aires (65e4edfdad)
src
core
qgscacheindex.h
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/***************************************************************************
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qgscacheindex.h
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--------------------------------------
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Date : 13.2.2013
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Copyright : (C) 2013 Matthias Kuhn
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Email : matthias at opengis dot ch
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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 QGSCACHEINDEX_H
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#define QGSCACHEINDEX_H
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#include "qgis_core.h"
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#include "
qgsfeatureid.h
"
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class
QgsFeatureRequest
;
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class
QgsFeatureIterator
;
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class
CORE_EXPORT
QgsAbstractCacheIndex
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{
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public
:
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QgsAbstractCacheIndex
() =
default
;
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virtual
~
QgsAbstractCacheIndex
() =
default
;
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virtual
void
flushFeature(
QgsFeatureId
fid ) = 0;
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virtual
void
flush() = 0;
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virtual
void
requestCompleted(
const
QgsFeatureRequest
&featureRequest,
const
QgsFeatureIds
&fids );
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virtual
bool
getCacheIterator(
QgsFeatureIterator
&featureIterator,
const
QgsFeatureRequest
&featureRequest ) = 0;
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};
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#endif // QGSCACHEINDEX_H
qgsfeatureid.h
QgsFeatureRequest
This class wraps a request for features to a vector layer (or directly its vector data provider).
Definition:
qgsfeaturerequest.h:83
QgsFeatureIds
QSet< QgsFeatureId > QgsFeatureIds
Definition:
qgsfeatureid.h:37
QgsAbstractCacheIndex
Abstract base class for cache indices.
Definition:
qgscacheindex.h:31
QgsFeatureIterator
Wrapper for iterator of features from vector data provider or vector layer.
Definition:
qgsfeatureiterator.h:289
QgsFeatureId
qint64 QgsFeatureId
64 bit feature ids negative numbers are used for uncommitted/newly added features
Definition:
qgsfeatureid.h:28
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