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 org.eclipse.jetty.util.Promise

Promise.Completable<S>, Promise.Invocable<R>, Promise.Task<T>, Promise.Wrapper<W>

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 method to invoke when the operation fails.
C	get()
C	get(long timeout, TimeUnit unit)
C	getOrThrow()	Return the result if completed successfully or in the case of failure, throw the Exception/Error, or an ExecutionException wrapping the cause if it is neither an Exception or Error.
boolean	isCancelled()
boolean	isDone()
static void	rethrow(ExecutionException e)
void	succeeded(C result)	Callback method to invoke when the operation succeeds.
String	toString()

Methods inherited from class java.lang.Object

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

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 method to invoke when the operation succeeds.

Specified by:

succeeded in interface Promise<C>

Parameters:

result - the operation result

See Also:

• Promise.failed(Throwable)

failed

public void failed(Throwable cause)

Description copied from interface: Promise

Callback method to invoke when the operation fails.

Specified by:

failed in interface Promise<C>

Parameters:

cause - 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

getOrThrow

public C getOrThrow()
             throws Exception

Return the result if completed successfully or in the case of failure, throw the Exception/Error, or an ExecutionException wrapping the cause if it is neither an Exception or Error.

Returns:

the computed result

Throws:

Exception - if the cause is an Exception or Error, otherwise an ExecutionException wrapping the cause

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