Package org.eclipse.jetty.util

Class FuturePromise<C>

java.lang.Object

org.eclipse.jetty.util.FuturePromise<C>

All Implemented Interfaces:

Future<C>, Promise<C>

public class FuturePromise<C>
extends Object
implements Future<C>, Promise<C>

Nested Class Summary

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

Future.State

Nested classes/interfaces inherited from interface org.eclipse.jetty.util.Promise

Promise.Adapter<U>, Promise.Completable<S>, Promise.Wrapper<W>

Field Summary

Fields

Modifier and Type	Field	Description
private Throwable	_cause
private final AtomicBoolean	_done
private final CountDownLatch	_latch
private C	_result
private static Throwable	COMPLETED

Constructor Summary

Constructors

Constructor	Description
FuturePromise()
FuturePromise(C result)
FuturePromise(C ctx, Throwable failed)

Method Summary

Modifier and Type	Method	Description
boolean	cancel(boolean mayInterruptIfRunning)
void	failed(Throwable cause)	Callback invoked when the operation fails.
C	get()
C	get(long timeout, TimeUnit unit)
boolean	isCancelled()
boolean	isDone()
static void	rethrow(ExecutionException e)
void	succeeded(C result)	Callback invoked when the operation completes.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.concurrent.Future

exceptionNow, resultNow, state

Field Details

COMPLETED

private static Throwable COMPLETED

_done

private final AtomicBoolean _done

_latch

private final CountDownLatch _latch

_cause

private Throwable _cause

_result

private C _result

Constructor Details

FuturePromise

public FuturePromise()

FuturePromise

public FuturePromise(C result)

FuturePromise

public FuturePromise(C ctx,
 Throwable failed)

Method Details

succeeded

public void succeeded(C result)

Description copied from interface: Promise

Callback invoked when the operation completes.

Specified by:

succeeded in interface Promise<C>

Parameters:

result - the context

See Also:

• Promise.failed(Throwable)

failed

public void failed(Throwable cause)

Description copied from interface: Promise

Callback invoked when the operation fails.

Specified by:

failed in interface Promise<C>

Parameters:

cause - the reason for the operation failure

cancel

public boolean cancel(boolean mayInterruptIfRunning)

Specified by:

cancel in interface Future<C>

isCancelled

public boolean isCancelled()

Specified by:

isCancelled in interface Future<C>

isDone

public boolean isDone()

Specified by:

isDone in interface Future<C>

get

public C get()
      throws InterruptedException,
ExecutionException

Specified by:

get in interface Future<C>

Throws:

InterruptedException

ExecutionException

get

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

Specified by:

get in interface Future<C>

Throws:

InterruptedException

ExecutionException

TimeoutException

rethrow

public static void rethrow(ExecutionException e)
                    throws IOException

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object