org.springframework.util.concurrent

Class CompletableToListenableFutureAdapter<T>

java.lang.Object

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

Type Parameters:

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

All Implemented Interfaces:

Future<T>, ListenableFuture<T>

Direct Known Subclasses:

MonoToListenableFutureAdapter

public class CompletableToListenableFutureAdapter<T>
extends Object
implements ListenableFuture<T>

Adapts a CompletableFuture or CompletionStage into a Spring ListenableFuture.

Since:

4.2

Author:

Sebastien Deleuze, Juergen Hoeller

Constructor Summary

Constructors

Constructor and Description
CompletableToListenableFutureAdapter(CompletableFuture<T> completableFuture) Create a new adapter for the given CompletableFuture.
CompletableToListenableFutureAdapter(CompletionStage<T> completionStage) Create a new adapter for the given CompletionStage.

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.
boolean	cancel(boolean mayInterruptIfRunning)
CompletableFuture<T>	completable() Expose this ListenableFuture as a JDK CompletableFuture.
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

CompletableToListenableFutureAdapter

public CompletableToListenableFutureAdapter(CompletionStage<T> completionStage)

Create a new adapter for the given CompletionStage.

Since:

4.3.7

CompletableToListenableFutureAdapter

public CompletableToListenableFutureAdapter(CompletableFuture<T> completableFuture)

Create a new adapter for the given CompletableFuture.

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>

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