org.apache.brooklyn.util.core.task

Interface ImmediateSupplier<T>

All Known Implementing Classes:

BrooklynDslDeferredSupplier, DslComponent

public interface ImmediateSupplier<T>

A class that supplies objects of a single type, without blocking for any significant length of time.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	ImmediateSupplier.ImmediateUnsupportedException Indicates that we are unable to get the value immediately, because that is not supported (e.g.

Method Summary

Modifier and Type	Method and Description
Maybe<T>	getImmediately() Gets the value promptly, or returns Maybe.absent() if the value is not yet available.

Method Detail

getImmediately

Maybe<T> getImmediately()

Gets the value promptly, or returns Maybe.absent() if the value is not yet available.

Throws:

ImmediateSupplier.ImmediateUnsupportedException - if cannot determinte the value immediately