Package org.apache.tinkerpop.gremlin.process.traversal.step.util.event

Class Event.ElementLabelChangedEvent

java.lang.Object

org.apache.tinkerpop.gremlin.process.traversal.step.util.event.Event.ElementLabelChangedEvent

All Implemented Interfaces:

Event

Enclosing interface:

Event

public static class Event.ElementLabelChangedEvent
extends Object
implements Event

An event that represents a label change on an element (vertex or edge). Fired when labels are added or removed via addLabel()/dropLabel()/dropLabels() steps.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.tinkerpop.gremlin.process.traversal.step.util.event.Event

Event.EdgeAddedEvent, Event.EdgePropertyChangedEvent, Event.EdgePropertyRemovedEvent, Event.EdgeRemovedEvent, Event.ElementLabelChangedEvent, Event.ElementPropertyChangedEvent, Event.ElementPropertyEvent, Event.VertexAddedEvent, Event.VertexPropertyChangedEvent, Event.VertexPropertyPropertyChangedEvent, Event.VertexPropertyPropertyRemovedEvent, Event.VertexPropertyRemovedEvent, Event.VertexRemovedEvent

Constructor Summary

Constructors

Constructor	Description
ElementLabelChangedEvent(Element element, Set<String> oldLabels, Set<String> newLabels)

Method Summary

Modifier and Type	Method	Description
void	fireEvent(Iterator<MutationListener> eventListeners)	An Event publishes its action to all the event MutationListener objects.
Element	getElement()
Set<String>	getNewLabels()
Set<String>	getOldLabels()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ElementLabelChangedEvent

public ElementLabelChangedEvent(Element element,
 Set<String> oldLabels,
 Set<String> newLabels)

Method Details

getElement

public Element getElement()

getOldLabels

public Set<String> getOldLabels()

getNewLabels

public Set<String> getNewLabels()

fireEvent

public void fireEvent(Iterator<MutationListener> eventListeners)

Description copied from interface: Event

An Event publishes its action to all the event MutationListener objects.

Specified by:

fireEvent in interface Event