org.apache.flink.runtime.util

类 SingleElementIterator<E>

java.lang.Object

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

类型参数:

E - The generic type of the iterator.

所有已实现的接口:

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).

构造器概要

构造器

构造器和说明
SingleElementIterator()

方法概要

限定符和类型	方法和说明
boolean	hasNext()
Iterator<E>	iterator()
E	next()
void	remove()
void	set(E current) Resets the element.

从类继承的方法 java.lang.Object

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

从接口继承的方法 java.util.Iterator

forEachRemaining

从接口继承的方法 java.lang.Iterable

forEach, spliterator

构造器详细资料

SingleElementIterator

public SingleElementIterator()

方法详细资料

set

public void set(E current)

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

参数:

current - The element to make available to the iterator.

hasNext

public boolean hasNext()

指定者:

hasNext 在接口中 Iterator<E>

next

public E next()

指定者:

next 在接口中 Iterator<E>

remove

public void remove()

指定者:

remove 在接口中 Iterator<E>

iterator

public Iterator<E> iterator()

指定者:

iterator 在接口中 Iterable<E>