org.cometd.oort

Interface OortObject.Listener<T>

Type Parameters:

T - the object type

All Superinterfaces:

EventListener

All Known Implementing Classes:

OortList.DeltaListener, OortMap.DeltaListener

Enclosing class:

OortObject<T>

public static interface OortObject.Listener<T>
extends EventListener

Listener for events that update the value of a OortObject.Info, either local or remote. Implementers may detect whether the value has been changed locally or remotely using OortObject.Info.isLocal().

Method Summary

Modifier and Type	Method and Description
default void	onRemoved(OortObject.Info<T> info) Callback method invoked when the object value is removed, for example because the correspondent node has been shut down or crashed.
default void	onUpdated(OortObject.Info<T> oldInfo, OortObject.Info<T> newInfo) Callback method invoked when the object value is updated.

Method Detail

onUpdated

default void onUpdated(OortObject.Info<T> oldInfo,
                       OortObject.Info<T> newInfo)

Callback method invoked when the object value is updated.

Parameters:

oldInfo - the OortObject.Info before the change, may be null

newInfo - the OortObject.Info after the change

onRemoved

default void onRemoved(OortObject.Info<T> info)

Callback method invoked when the object value is removed, for example because the correspondent node has been shut down or crashed.

Parameters:

info - the OortObject.Info before the removal