Package com.github.basking2.sdsai.itrex.iterators

Class FutureIterator<T>

java.lang.Object

com.github.basking2.sdsai.itrex.iterators.FutureIterator<T>

All Implemented Interfaces:

Iterator<Future<T>>

public class FutureIterator<T>
extends Object
implements Iterator<Future<T>>

A class that wraps an iterator such that calls to next() result in a Future being returned. The wrapped iterator must be thread-safe.

Constructor Summary

Constructors

Constructor	Description
FutureIterator(Iterator<T> iterator, Executor executor)	Create a new FutureIterator.

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()	Return true if there are more elements in the source iterator.
Future<T>	next()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Constructor Details

FutureIterator

public FutureIterator(Iterator<T> iterator,
 Executor executor)

Create a new FutureIterator.

Parameters:

iterator - A thread-safe iterator.

executor - The executor Futures will be completed in.

Method Details

hasNext

public boolean hasNext()

Return true if there are more elements in the source iterator. This call is not reliable as a call to Iterator.next() may be happening as this call returns.

Specified by:

hasNext in interface Iterator<T>

Returns:

true if, at the moment Iterator.hasNext() is called on the wrapped iterator, it returns true. False otherwise.

next

public Future<T> next()

Specified by:

next in interface Iterator<T>