org.apache.flink.runtime.util

Class SingleElementIterator<E>

java.lang.Object

org.apache.flink.runtime.util.SingleElementIterator<E>

Type Parameters:

E - The generic type of the iterator.

All Implemented Interfaces:

Iterable<E>, Iterator<E>

public final class SingleElementIterator<E>
extends Object
implements Iterator<E>, Iterable<E>

An Iterator that contains only a single element. The element can be reset such that the iterator can be used multiple times. Initially, the iterator is empty until an element is set via set(Object).

Constructor Summary

Constructors

Constructor and Description
SingleElementIterator()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	hasNext()
Iterator<E>	iterator()
E	next()
void	remove()
void	set(E current) Resets the element.

Methods inherited from class java.lang.Object

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

Constructor Detail

SingleElementIterator

public SingleElementIterator()

Method Detail

set

public void set(E current)

Resets the element. After this call, the iterator has one element available, which is the given element.

Parameters:

current - The element to make available to the iterator.

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<E>

next

public E next()

Specified by:

next in interface Iterator<E>

remove

public void remove()

Specified by:

remove in interface Iterator<E>

iterator

public Iterator<E> iterator()

Specified by:

iterator in interface Iterable<E>