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src
core
qgsfeaturesink.h
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/***************************************************************************
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qgsfeaturesink.h
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----------------
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begin : April 2017
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copyright : (C) 2017 by Nyall Dawson
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email : nyall dot dawson at gmail dot com
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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 QGSFEATURESINK_H
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#define QGSFEATURESINK_H
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#include "qgis_core.h"
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#include "
qgis_sip.h
"
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#include "
qgsfeature.h
"
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#include "
qgsfeatureiterator.h
"
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class
CORE_EXPORT
QgsFeatureSink
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{
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public
:
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enum
SinkFlag
SIP_ENUM_BASETYPE
( IntFlag )
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{
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RegeneratePrimaryKey = 1 << 1,
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};
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Q_DECLARE_FLAGS(
SinkFlags
,
SinkFlag
)
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enum
Flag
SIP_ENUM_BASETYPE
( IntFlag )
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{
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FastInsert = 1 << 1,
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RollBackOnErrors = 1 << 2,
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};
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Q_DECLARE_FLAGS(
Flags
,
Flag
)
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virtual ~
QgsFeatureSink
() = default;
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virtual
bool
addFeature(
QgsFeature
&feature,
QgsFeatureSink
::
Flags
flags =
QgsFeatureSink
::
Flags
() );
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virtual
bool
addFeatures(
QgsFeatureList
&features,
QgsFeatureSink
::
Flags
flags =
QgsFeatureSink
::
Flags
() ) = 0;
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virtual
bool
addFeatures(
QgsFeatureIterator
&iterator,
QgsFeatureSink
::
Flags
flags =
QgsFeatureSink
::
Flags
() );
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virtual
bool
flushBuffer() {
return
true
; }
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virtual
QString
lastError
()
const
{
return
QString(); }
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS
(
QgsFeatureSink::Flags
)
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Q_DECLARE_METATYPE
(
QgsFeatureSink
* )
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#endif
// QGSFEATURESINK_H
QgsFeatureIterator
Wrapper for iterator of features from vector data provider or vector layer.
Definition
qgsfeatureiterator.h:290
QgsFeatureSink
An interface for objects which accept features via addFeature(s) methods.
Definition
qgsfeaturesink.h:33
QgsFeatureSink::SinkFlags
QFlags< SinkFlag > SinkFlags
Definition
qgsfeaturesink.h:56
QgsFeatureSink::Flag
Flag
Flags controlling how features are added to a sink.
Definition
qgsfeaturesink.h:60
QgsFeatureSink::SinkFlag
SinkFlag
Flags that can be set on a QgsFeatureSink.
Definition
qgsfeaturesink.h:42
QgsFeatureSink::lastError
virtual QString lastError() const
Returns the most recent error encountered by the sink, e.g.
Definition
qgsfeaturesink.h:114
QgsFeatureSink::Flags
QFlags< Flag > Flags
Definition
qgsfeaturesink.h:79
QgsFeature
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
Definition
qgsfeature.h:58
qgis_sip.h
SIP_ENUM_BASETYPE
#define SIP_ENUM_BASETYPE(type)
Definition
qgis_sip.h:278
Q_DECLARE_METATYPE
Q_DECLARE_METATYPE(QgsDatabaseQueryLogEntry)
qgsfeature.h
QgsFeatureList
QList< QgsFeature > QgsFeatureList
Definition
qgsfeature.h:1264
qgsfeatureiterator.h
Q_DECLARE_OPERATORS_FOR_FLAGS
Q_DECLARE_OPERATORS_FOR_FLAGS(QgsTextRendererUtils::CurvedTextFlags)
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