org.eclipse.jetty.spdy

Class Promise<T>

java.lang.Object

org.eclipse.jetty.spdy.Promise<T>

Type Parameters:

T - the type of the result object

All Implemented Interfaces:

Future<T>, Handler<T>

public class Promise<T>
extends Object
implements Handler<T>, Future<T>

A Promise is a Future that allows a result or a failure to be set, so that the Future will be done.

Nested Class Summary

Nested classes/interfaces inherited from interface org.eclipse.jetty.spdy.api.Handler

Handler.Adapter<C>

Constructor Summary

Constructors

Constructor and Description
Promise()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	cancel(boolean mayInterruptIfRunning)
void	completed(T result) Callback invoked when the operation completes.
void	failed(T context, Throwable x) Callback invoked when the operation fails.
T	get()
T	get(long timeout, TimeUnit unit)
boolean	isCancelled()
boolean	isDone()

Methods inherited from class java.lang.Object

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

Constructor Detail

Promise

public Promise()

Method Detail

completed

public void completed(T result)

Description copied from interface: Handler

Callback invoked when the operation completes.

Specified by:

completed in interface Handler<T>

Parameters:

result - the context

See Also:

Handler.failed(Object, Throwable)

failed

public void failed(T context,
          Throwable x)

Description copied from interface: Handler

Callback invoked when the operation fails.

Specified by:

failed in interface Handler<T>

Parameters:

context - the context

x - the reason for the operation failure

cancel

public boolean cancel(boolean mayInterruptIfRunning)

Specified by:

cancel in interface Future<T>

isCancelled

public boolean isCancelled()

Specified by:

isCancelled in interface Future<T>

isDone

public boolean isDone()

Specified by:

isDone in interface Future<T>

get

public T get()
      throws InterruptedException,
             ExecutionException

Specified by:

get in interface Future<T>

Throws:

InterruptedException

ExecutionException

get

public T get(long timeout,
    TimeUnit unit)
      throws InterruptedException,
             ExecutionException,
             TimeoutException

Specified by:

get in interface Future<T>

Throws:

InterruptedException

ExecutionException

TimeoutException