org.to2mbn.jmccc.mcdownloader.download.concurrent

Class AsyncFuture<V>

java.lang.Object

org.to2mbn.jmccc.mcdownloader.download.concurrent.AsyncFuture<V>

All Implemented Interfaces:

Future<V>, Callback<V>, Cancelable

public class AsyncFuture<V>
extends Object
implements Future<V>, Callback<V>, Cancelable

Constructor Summary

Constructors

Constructor and Description
AsyncFuture()
AsyncFuture(Cancelable cancelable)

Method Summary

Modifier and Type	Method and Description
boolean	cancel(boolean mayInterruptIfRunning) Cancels the pending task.
void	cancelled() Calls when the operation has been cancelled.
void	done(V result) Calls when the operation completed successfully.
void	failed(Throwable e) Calls when the operation failed.
V	get()
V	get(long timeout, TimeUnit unit)
Callback<V>	getCallback()
boolean	isCancelled()
boolean	isDone()
boolean	isExceptional()
void	setCallback(Callback<V> callback)

Methods inherited from class java.lang.Object

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

Constructor Detail

AsyncFuture

public AsyncFuture()

AsyncFuture

public AsyncFuture(Cancelable cancelable)

Method Detail

getCallback

public Callback<V> getCallback()

setCallback

public void setCallback(Callback<V> callback)

cancel

public boolean cancel(boolean mayInterruptIfRunning)

Description copied from interface: Cancelable

Cancels the pending task.

Specified by:

cancel in interface Future<V>

Specified by:

cancel in interface Cancelable

Parameters:

mayInterruptIfRunning - if the thread executing this task should be interrupted; otherwise, in-progress tasks are allowed to complete

Returns:

false if the task cannot be cancelled

isCancelled

public boolean isCancelled()

Specified by:

isCancelled in interface Future<V>

isDone

public boolean isDone()

Specified by:

isDone in interface Future<V>

isExceptional

public boolean isExceptional()

get

public V get()
      throws InterruptedException,
             ExecutionException

Specified by:

get in interface Future<V>

Throws:

InterruptedException

ExecutionException

get

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

Specified by:

get in interface Future<V>

Throws:

InterruptedException

ExecutionException

TimeoutException

done

public void done(V result)

Description copied from interface: Callback

Calls when the operation completed successfully.

Specified by:

done in interface Callback<V>

Parameters:

result - the result of the async operation

failed

public void failed(Throwable e)

Description copied from interface: Callback

Calls when the operation failed.

Specified by:

failed in interface Callback<V>

Parameters:

e - the thrown exception

cancelled

public void cancelled()

Description copied from interface: Callback

Calls when the operation has been cancelled.

Specified by:

cancelled in interface Callback<V>