org.apache.flink.util

Class UnionIterator<T>

java.lang.Object

org.apache.flink.util.UnionIterator<T>

Type Parameters:

T - The type returned by the iterator.

All Implemented Interfaces:

Iterable<T>, Iterator<T>

@Internal
public class UnionIterator<T>
extends Object
implements Iterator<T>, Iterable<T>

An iterator that concatenates a collection of iterators. The UnionIterator is a mutable, reusable type.

Constructor Summary

Constructors

Constructor and Description
UnionIterator()

Method Summary

Modifier and Type	Method and Description
void	add(Iterator<T> iterator)
void	addList(List<T> list)
void	clear()
boolean	hasNext()
Iterator<T>	iterator()
T	next()
void	remove()

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

UnionIterator

public UnionIterator()

Method Detail

clear

public void clear()

addList

public void addList(List<T> list)

add

public void add(Iterator<T> iterator)

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Iterable<T>

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<T>

next

public T next()

Specified by:

next in interface Iterator<T>

remove

public void remove()

Specified by:

remove in interface Iterator<T>