Package org.jgrapes.core.events

Class Attached

java.lang.Object

org.jgrapes.core.internal.EventBase<Void>

org.jgrapes.core.Event<Void>

org.jgrapes.core.events.Attached

All Implemented Interfaces:

Future<Void>, Associator, Eligible

public class Attached
extends Event<Void>

Signals the addition of a component (or subtree) to the component tree.

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.concurrent.Future

Future.State

Field Summary

Fields inherited from class org.jgrapes.core.internal.EventBase

completed, completionEvents, invokedFor

Constructor Summary

Constructors

Constructor	Description
Attached(ComponentType node, ComponentType parent)	Creates a new event.

Method Summary

Modifier and Type	Method	Description
ComponentType	node()	Return the node that has been attached.
ComponentType	parent()	Return the parent component.
String	toString()

Methods inherited from class org.jgrapes.core.Event

addCompletionEvent, associated, cancel, channels, channels, completionEvents, currentResults, defaultCriterion, forChannels, get, get, handled, handlingError, isCancelled, isDone, isEligibleFor, isStopped, processedBy, results, results, resumeHandling, setAssociated, setChannels, setRequiresResult, setResult, stop, suspendHandling, suspendHandling, tieTo

Methods inherited from class org.jgrapes.core.internal.EventBase

disableTracking, enqueued, firstResultAssigned, isTracked, onCompletion

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jgrapes.core.Associator

associated, associated, associated, associatedGet

Methods inherited from interface java.util.concurrent.Future

exceptionNow, resultNow, state

Constructor Details

Attached

public Attached(ComponentType node,
 ComponentType parent)

Creates a new event.

The event is fired on both the node’s and the parent’s channel. If the channels are equal, the event is sent only once. If either component doesn’t have a channel, the event is sent on the broadcast channel.

Parameters:

node - the component being attached

parent - the component that the node is attached to

Method Details

node

public ComponentType node()

Return the node that has been attached.

Returns:

the node

parent

public ComponentType parent()

Return the parent component.

When the root node is added to the component tree, the parent is null.

Returns:

the parent or null

toString

public String toString()

Overrides:

toString in class Event<Void>