org.cometd.oort

Interface OortObject.Listener<T>

Type Parameters:

T - the object type

All Superinterfaces:

EventListener

All Known Implementing Classes:

OortList.DeltaListener, OortMap.DeltaListener, OortObject.Listener.Adapter

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().

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	OortObject.Listener.Adapter<T> An empty implementation of OortObject.Listener.

Method Summary

Modifier and Type	Method and Description
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.
void	onUpdated(OortObject.Info<T> oldInfo, OortObject.Info<T> newInfo) Callback method invoked when the object value is updated.

Method Detail

onUpdated

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

newInfo - the OortObject.Info after the change

onRemoved

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