Package com.google.common.util.concurrent

Class Callables

java.lang.Object

com.google.common.util.concurrent.Callables

@GwtCompatible(emulated=true)
public final class Callables
extends Object

Static utility methods pertaining to the Callable interface.

Since:

1.0

Author:

Isaac Shum

Method Summary

Modifier and Type	Method	Description
static <T extends @Nullable Object> AsyncCallable<T>	asAsyncCallable(Callable<T> callable, ListeningExecutorService listeningExecutorService)	Creates an AsyncCallable from a Callable.
static <T extends @Nullable Object> Callable<T>	returning(T value)	Creates a Callable which immediately returns a preset value each time it is called.

Methods inherited from class java.lang.Object

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

Method Detail

returning

public static <T extends @Nullable Object> Callable<T> returning(T value)

Creates a Callable which immediately returns a preset value each time it is called.

asAsyncCallable

@Beta
@GwtIncompatible
public static <T extends @Nullable Object> AsyncCallable<T> asAsyncCallable(Callable<T> callable,
                                                                            ListeningExecutorService listeningExecutorService)

Creates an AsyncCallable from a Callable.

The AsyncCallable returns the ListenableFuture resulting from ListeningExecutorService.submit(Callable).

Since:

20.0