QGIS API Documentation 3.38.0-Grenoble (exported)
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#include <qgstransactiongroup.h>
Signals | |
void | commitError (const QString &msg) |
Will be emitted whenever there is a commit error. | |
Public Member Functions | |
QgsTransactionGroup (QObject *parent=nullptr) | |
Constructor for QgsTransactionGroup. | |
bool | addLayer (QgsVectorLayer *layer) |
Add a layer to this transaction group. | |
QString | connString () const |
Returns the connection string used by this transaction group. | |
bool | isEmpty () const |
Returns true if there are no layers in this transaction group. | |
QSet< QgsVectorLayer * > | layers () const |
Gets the set of layers currently managed by this transaction group. | |
bool | modified () const |
Returns true if any of the layers in this group reports a modification. | |
QString | providerKey () const |
Returns the provider key used by this transaction group. | |
Definition at line 31 of file qgstransactiongroup.h.
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explicit |
Constructor for QgsTransactionGroup.
Definition at line 26 of file qgstransactiongroup.cpp.
bool QgsTransactionGroup::addLayer | ( | QgsVectorLayer * | layer | ) |
Add a layer to this transaction group.
Will return true
if it is compatible and has been added.
Definition at line 32 of file qgstransactiongroup.cpp.
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signal |
Will be emitted whenever there is a commit error.
QString QgsTransactionGroup::connString | ( | ) | const |
Returns the connection string used by this transaction group.
Layers need be compatible when added.
Definition at line 196 of file qgstransactiongroup.cpp.
bool QgsTransactionGroup::isEmpty | ( | ) | const |
Returns true
if there are no layers in this transaction group.
Definition at line 191 of file qgstransactiongroup.cpp.
QSet< QgsVectorLayer * > QgsTransactionGroup::layers | ( | ) | const |
Gets the set of layers currently managed by this transaction group.
Definition at line 56 of file qgstransactiongroup.cpp.
bool QgsTransactionGroup::modified | ( | ) | const |
Returns true
if any of the layers in this group reports a modification.
Definition at line 61 of file qgstransactiongroup.cpp.
QString QgsTransactionGroup::providerKey | ( | ) | const |
Returns the provider key used by this transaction group.
Layers need be compatible when added.
Definition at line 186 of file qgstransactiongroup.cpp.