Package org.openhab.core.util

Class SameThreadExecutorService.ImpostorScheduledFuture<T>

java.lang.Object

org.openhab.core.util.SameThreadExecutorService.ImpostorScheduledFuture<T>

Type Parameters:

T - the return type.

All Implemented Interfaces:

Comparable<Delayed>, Delayed, Future<T>, ScheduledFuture<T>

Enclosing class:

SameThreadExecutorService

protected static class SameThreadExecutorService.ImpostorScheduledFuture<T>
extends Object
implements ScheduledFuture<T>

A ScheduledFuture that wraps a Future and always reports zero delay.

Author:

Ravi Nadahar - Initial contribution

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.concurrent.Future

Future.State

Field Summary

Fields

Modifier and Type	Field	Description
protected final Future<T>	delegate	The wrapped Future

Constructor Summary

Constructors

Constructor	Description
ImpostorScheduledFuture(Future<T> future)	Creates a new instance that wraps the specified Future.

Method Summary

Modifier and Type	Method	Description
boolean	cancel(boolean mayInterruptIfRunning)
int	compareTo(@Nullable Delayed other)
T	get()
T	get(long timeout, @Nullable TimeUnit unit)
long	getDelay(@Nullable TimeUnit unit)
boolean	isCancelled()
boolean	isDone()

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

exceptionNow, resultNow, state

Field Details

delegate

protected final Future<T> delegate

The wrapped Future

Constructor Details

ImpostorScheduledFuture

public ImpostorScheduledFuture(Future<T> future)

Creates a new instance that wraps the specified Future.

Parameters:

future - the Future to wrap.

Method Details

getDelay

public long getDelay(@Nullable TimeUnit unit)

Specified by:

getDelay in interface Delayed

compareTo

public int compareTo(@Nullable Delayed other)

Specified by:

compareTo in interface Comparable<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,
 @Nullable TimeUnit unit)
      throws InterruptedException,
ExecutionException,
TimeoutException

Specified by:

get in interface Future<T>

Throws:

InterruptedException

ExecutionException

TimeoutException