net.uncontended.precipice.concurrent

Class ResilientFuture<T>

java.lang.Object

net.uncontended.precipice.concurrent.ResilientFuture<T>

Type Parameters:

T - the result returned by the action

All Implemented Interfaces:

java.util.concurrent.Future

public class ResilientFuture<T>
extends java.lang.Object
implements java.util.concurrent.Future

A class wrapping the result of an action that will be completed at some point in the future.

Field Summary

Fields

Modifier and Type	Field and Description
ResilientPromise<T>	promise

Constructor Summary

Constructors

Constructor and Description
ResilientFuture(ResilientPromise<T> promise)

Method Summary

Modifier and Type	Method and Description
boolean	cancel(boolean mayInterruptIfRunning) This will always throw UnsupportedOperationException.
T	get()
T	get(long timeout, java.util.concurrent.TimeUnit unit)
Status	getStatus() Returns the Status of the future.
boolean	isCancelled() This will always return false since cancelling is not supported.
boolean	isDone()

Methods inherited from class java.lang.Object

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

Field Detail

promise

public final ResilientPromise<T> promise

Constructor Detail

ResilientFuture

public ResilientFuture(ResilientPromise<T> promise)

Method Detail

get

public T get()
      throws java.lang.InterruptedException,
             java.util.concurrent.ExecutionException

Specified by:

get in interface java.util.concurrent.Future

Throws:

java.lang.InterruptedException

java.util.concurrent.ExecutionException

get

public T get(long timeout,
             java.util.concurrent.TimeUnit unit)
      throws java.lang.InterruptedException,
             java.util.concurrent.ExecutionException,
             java.util.concurrent.TimeoutException

Specified by:

get in interface java.util.concurrent.Future

Throws:

java.lang.InterruptedException

java.util.concurrent.ExecutionException

java.util.concurrent.TimeoutException

isDone

public boolean isDone()

Specified by:

isDone in interface java.util.concurrent.Future

cancel

public boolean cancel(boolean mayInterruptIfRunning)

This will always throw UnsupportedOperationException. Cancelling is not supported.

Specified by:

cancel in interface java.util.concurrent.Future

Parameters:

mayInterruptIfRunning - flag

Returns:

boolean

Throws:

java.lang.UnsupportedOperationException

isCancelled

public boolean isCancelled()

This will always return false since cancelling is not supported.

Specified by:

isCancelled in interface java.util.concurrent.Future

Returns:

boolean indicating if future is cancelled.

getStatus

public Status getStatus()

Returns the Status of the future.

Returns:

status of the future