Interface DeferredEnumerableSource<T>

Type Parameters:

T - the element type of the source

All Superinterfaces:

EnumerableSource<T>

public interface DeferredEnumerableSource<T>
extends EnumerableSource<T>

Represents an unknown length, deferred iterable source which can be moved forward synchronously and obtain the current item via a simple call once it reports said iterable elements are ready to be consumed.

No hasNext and next duplication. C# IEnumerator is way better in this regard.

Since:

4.0.0

See Also:

• IndexableSource

Method Summary

Modifier and Type	Method	Description
CompletionStage<Boolean>	enumerableReady()	Returns true if the source is ready to be consumed via its EnumerableSource.nextSync() and EnumerableSource.current() methods.

Methods inherited from interface EnumerableSource

current, nextSync

Modifier and Type	Method	Description
T	current()	Returns the current item if EnumerableSource.nextSync() returned true the previous call.
boolean	nextSync()	Synchronously obtains the next item or returns false if no more items.

Method Details

enumerableReady

CompletionStage<Boolean> enumerableReady()

Returns true if the source is ready to be consumed via its EnumerableSource.nextSync() and EnumerableSource.current() methods.

Returns:

the completion stage that indicates an empty false or a non-empty true enumerable source is now available