Interface AsyncFuture.Listener<T,A>

Type Parameters:

T - the future type

A - the attachment type

All Superinterfaces:

EventListener

All Known Implementing Classes:

AsyncFuture.AbstractListener

Enclosing interface:

AsyncFuture<T>

public static interface AsyncFuture.Listener<T,A>
extends EventListener

A listener for an asynchronous future computation result. Each listener method is passed the AsyncFuture which it was added to, as well as the attachment which was passed in to AsyncFuture.addListener(Listener, Object).

Author:

David M. Lloyd

Method Summary

Modifier and Type	Method	Description
void	handleCancelled(AsyncFuture<? extends T> future, A attachment)	Handle a cancellation result.
void	handleComplete(AsyncFuture<? extends T> future, A attachment)	Handle a successful computation result.
void	handleFailed(AsyncFuture<? extends T> future, Throwable cause, A attachment)	Handle a failure result.

Method Details

handleComplete

void handleComplete(AsyncFuture<? extends T> future,
 A attachment)

Handle a successful computation result.

Parameters:

future - the future

attachment - the attachment

handleFailed

void handleFailed(AsyncFuture<? extends T> future,
 Throwable cause,
 A attachment)

Handle a failure result.

Parameters:

future - the future

cause - the reason for the failure

attachment - the attachment

handleCancelled

void handleCancelled(AsyncFuture<? extends T> future,
 A attachment)

Handle a cancellation result.

Parameters:

future - the future

attachment - the attachment