org.springframework.util.concurrent

Class ListenableFutureTask<T>

java.lang.Object

java.util.concurrent.FutureTask<T>

org.springframework.util.concurrent.ListenableFutureTask<T>

Type Parameters:

T - the result type returned by this Future's get method

All Implemented Interfaces:

Runnable, Future<T>, RunnableFuture<T>, ListenableFuture<T>

public class ListenableFutureTask<T>
extends FutureTask<T>
implements ListenableFuture<T>

Extension of FutureTask that implements ListenableFuture.

Since:

4.0

Author:

Arjen Poutsma

Constructor Summary

Constructors

Constructor and Description
ListenableFutureTask(Callable<T> callable) Create a new ListenableFutureTask that will, upon running, execute the given Callable.
ListenableFutureTask(Runnable runnable, T result) Create a ListenableFutureTask that will, upon running, execute the given Runnable, and arrange that FutureTask.get() will return the given result on successful completion.

Method Summary

Modifier and Type	Method and Description
void	addCallback(ListenableFutureCallback<? super T> callback) Register the given ListenableFutureCallback.
void	addCallback(SuccessCallback<? super T> successCallback, FailureCallback failureCallback) Java 8 lambda-friendly alternative with success and failure callbacks.
CompletableFuture<T>	completable() Expose this ListenableFuture as a JDK CompletableFuture.
protected void	done()

Methods inherited from class java.util.concurrent.FutureTask

cancel, get, get, isCancelled, isDone, run, runAndReset, set, setException

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.concurrent.Future

cancel, get, get, isCancelled, isDone

Constructor Detail

ListenableFutureTask

public ListenableFutureTask(Callable<T> callable)

Create a new ListenableFutureTask that will, upon running, execute the given Callable.

Parameters:

callable - the callable task

ListenableFutureTask

public ListenableFutureTask(Runnable runnable,
                            @Nullable
                            T result)

Create a ListenableFutureTask that will, upon running, execute the given Runnable, and arrange that FutureTask.get() will return the given result on successful completion.

Parameters:

runnable - the runnable task

result - the result to return on successful completion

Method Detail

addCallback

public void addCallback(ListenableFutureCallback<? super T> callback)

Description copied from interface: ListenableFuture

Register the given ListenableFutureCallback.

Specified by:

addCallback in interface ListenableFuture<T>

Parameters:

callback - the callback to register

addCallback

public void addCallback(SuccessCallback<? super T> successCallback,
                        FailureCallback failureCallback)

Description copied from interface: ListenableFuture

Java 8 lambda-friendly alternative with success and failure callbacks.

Specified by:

addCallback in interface ListenableFuture<T>

Parameters:

successCallback - the success callback

failureCallback - the failure callback

completable

public CompletableFuture<T> completable()

Description copied from interface: ListenableFuture

Expose this ListenableFuture as a JDK CompletableFuture.

Specified by:

completable in interface ListenableFuture<T>

done

protected void done()

Overrides:

done in class FutureTask<T>