org.apache.flink.runtime.state

Class DoneFuture<T>

java.lang.Object

org.apache.flink.runtime.state.DoneFuture<T>

Type Parameters:

T - The type of object in this Future.

All Implemented Interfaces:

Runnable, Future<T>, RunnableFuture<T>

public class DoneFuture<T>
extends Object
implements RunnableFuture<T>

A Future that is always done and will just yield the object that was given at creation time.

Constructor Summary

Constructors

Constructor and Description
DoneFuture(T payload)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	cancel(boolean mayInterruptIfRunning)
T	get()
T	get(long timeout, TimeUnit unit)
boolean	isCancelled()
boolean	isDone()
static <T> DoneFuture<T>	nullValue()
void	run()

Methods inherited from class java.lang.Object

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

Constructor Detail

DoneFuture

public DoneFuture(T payload)

Method Detail

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

run

public void run()

Specified by:

run in interface Runnable

Specified by:

run in interface RunnableFuture<T>

nullValue

public static <T> DoneFuture<T> nullValue()