-
-
Notifications
You must be signed in to change notification settings - Fork 3k
/
qgsalgorithmaddincrementalfield.h
69 lines (52 loc) · 2.49 KB
/
qgsalgorithmaddincrementalfield.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
/***************************************************************************
qgsalgorithmaddincrementalfield.h
---------------------------------
begin : April 2017
copyright : (C) 2017 by Nyall Dawson
email : nyall dot dawson at gmail dot com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSALGORITHMADDINCREMENTALFIELD_H
#define QGSALGORITHMADDINCREMENTALFIELD_H
#define SIP_NO_FILE
#include "qgis.h"
#include "qgsprocessingalgorithm.h"
///@cond PRIVATE
/**
* Native add incremental field algorithm.
*/
class QgsAddIncrementalFieldAlgorithm : public QgsProcessingFeatureBasedAlgorithm
{
public:
QgsAddIncrementalFieldAlgorithm() = default;
QString name() const override;
QString displayName() const override;
virtual QStringList tags() const override;
QString group() const override;
QString shortHelpString() const override;
QList<int> inputLayerTypes() const override;
QgsAddIncrementalFieldAlgorithm *createInstance() const override SIP_FACTORY;
protected:
void initParameters( const QVariantMap &configuration = QVariantMap() ) override;
QString outputName() const override;
QgsFields outputFields( const QgsFields &inputFields ) const override;
bool prepareAlgorithm( const QVariantMap ¶meters, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
QgsFeature processFeature( const QgsFeature &feature, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
private:
long long mStartValue = 0;
long long mValue = 0;
QString mFieldName;
QHash< QgsAttributes, long long > mGroupedValues;
mutable QgsFields mFields;
QStringList mGroupedFieldNames;
QgsAttributeList mGroupedFields;
};
///@endcond PRIVATE
#endif // QGSNATIVEALGORITHMS_H