org.opendaylight.vtn.manager.internal.util.concurrent

Class AbstractVTNFuture<T>

java.lang.Object

org.opendaylight.vtn.manager.internal.util.concurrent.AbstractVTNFuture<T>

Type Parameters:

T - The type of the object to be returned.

All Implemented Interfaces:

com.google.common.util.concurrent.CheckedFuture<T,VTNException>, com.google.common.util.concurrent.ListenableFuture<T>, Future<T>, VTNFuture<T>

Direct Known Subclasses:

CanceledFuture, SettableVTNFuture, TxSyncFuture

public abstract class AbstractVTNFuture<T>
extends Object
implements VTNFuture<T>

An abstract implementation of VTNFuture.

Constructor Summary

Constructors

Constructor and Description
AbstractVTNFuture()

Method Summary

Modifier and Type	Method and Description
void	addListener(Runnable listener, Executor executor) Add a listener to be executed on the specified executor.
protected void	done() Execute registered listeners.
static Throwable	getCause(Throwable t) Return a throwable that indicates the actual cause of failure.
static VTNException	getException(Throwable t) Return a VTNException which represents the cause of failure.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.opendaylight.vtn.manager.internal.util.concurrent.VTNFuture

checkedGet, checkedGet

Methods inherited from interface java.util.concurrent.Future

cancel, get, get, isCancelled, isDone

Constructor Detail

AbstractVTNFuture

public AbstractVTNFuture()

Method Detail

getCause

public static final Throwable getCause(Throwable t)

Return a throwable that indicates the actual cause of failure.

Parameters:

t - A Throwable.

Returns:

A Throwable instance that indicates the actual cause of failure.

getException

public static final VTNException getException(Throwable t)

Return a VTNException which represents the cause of failure.

Parameters:

t - A Throwable.

Returns:

A VTNException which represents the given throwable.

done

protected final void done()

Execute registered listeners.

Subclass must call this method when the computation is complete.

addListener

public final void addListener(Runnable listener,
                              Executor executor)

Add a listener to be executed on the specified executor.

Specified by:

addListener in interface com.google.common.util.concurrent.ListenableFuture<T>

Parameters:

listener - A listener to run when the computation is complete.

executor - A executor to run the given listener on.