net.shibboleth.metadata.pipeline

Class FutureSupport

java.lang.Object

net.shibboleth.metadata.pipeline.FutureSupport

@ThreadSafe
public final class FutureSupport
extends Object

Helper class for dealing with Future values.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	FutureSupport.FutureNow<T> An implementation of Future that returns a value that is already known.

Field Summary

Fields

Modifier and Type	Field and Description
private static Logger	LOG Class logger.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	FutureSupport() Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
static <T> Collection<Item<T>>	futureItems(Future<Collection<Item<T>>> future) Resolves the future value of a Future collection value.
static <T> Future<T>	futureNow(T t) Returns a Future containing an already computed value.

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Logger LOG

Class logger.

Constructor Detail

FutureSupport

private FutureSupport()

Constructor.

Method Detail

futureNow

@Nonnull
public static <T> Future<T> futureNow(T t)

Returns a Future containing an already computed value.

Type Parameters:

T - type of value to be returned

Parameters:

t - value to be returned

Returns:

Future returning the passed value

futureItems

@Nonnull
public static <T> Collection<Item<T>> futureItems(@Nonnull
                                          Future<Collection<Item<T>>> future)
                                       throws StageProcessingException

Resolves the future value of a Future collection value.

Type Parameters:

T - type of the items in the collection

Parameters:

future - Future value to be resolved

Returns:

resolved value of the Future

Throws:

StageProcessingException - unless resolution is successful