Interface RunnableFuture<V>

Type Parameters:

V - The result type returned by this Future's get method

All Superinterfaces:

Future<V>, Runnable

All Known Subinterfaces:

RunnableScheduledFuture<V>

All Known Implementing Classes:

FutureTask, SwingWorker

public interface RunnableFuture<V>
extends Runnable, Future<V>

A Future that is Runnable. Successful execution of the run method causes completion of the Future and allows access to its results.

Since:

1.6

See Also:

• FutureTask
• Executor

Nested Class Summary

Nested classes/interfaces declared in interface Future

Future.State

Modifier and Type	Interface	Description
static enum	Future.State	Represents the computation state.

Method Summary

Modifier and Type	Method	Description
void	run()	Sets this Future to the result of its computation unless it has been cancelled (or has already been invoked, in which case effects are undefined).

Methods declared in interface Future

cancel, exceptionNow, get, get, isCancelled, isDone, resultNow, state

Modifier and Type	Method	Description
boolean	cancel(boolean mayInterruptIfRunning)	Attempts to cancel execution of this task.
default Throwable	exceptionNow()	Returns the exception thrown by the task, without waiting.
V	get()	Waits if necessary for the computation to complete, and then retrieves its result.
V	get(long timeout, TimeUnit unit)	Waits if necessary for at most the given time for the computation to complete, and then retrieves its result, if available.
boolean	isCancelled()	Returns true if this task was cancelled before it completed normally.
boolean	isDone()	Returns true if this task completed.
default V	resultNow()	Returns the computed result, without waiting.
default Future.State	state()	Returns the computation state.

Method Details

run

void run()

Sets this Future to the result of its computation unless it has been cancelled (or has already been invoked, in which case effects are undefined).

Specified by:

run in interface Runnable