org.springframework.util

Class CompositeIterator<E>

java.lang.Object

org.springframework.util.CompositeIterator<E>

Type Parameters:

E - the element type

All Implemented Interfaces:

java.util.Iterator<E>

public class CompositeIterator<E>
extends java.lang.Object
implements java.util.Iterator<E>

Composite iterator that combines multiple other iterators, as registered via add(Iterator).

This implementation maintains a linked set of iterators which are invoked in sequence until all iterators are exhausted.

Since:

3.0

Author:

Erwin Vervaet, Juergen Hoeller

Constructor Summary

Constructors

Constructor and Description
CompositeIterator()

Method Summary

Modifier and Type	Method and Description
void	add(java.util.Iterator<E> iterator) Add given iterator to this composite.
boolean	hasNext()
E	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

Constructor Detail

CompositeIterator

public CompositeIterator()

Method Detail

add

public void add(java.util.Iterator<E> iterator)

Add given iterator to this composite.

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<E>

next

public E next()

Specified by:

next in interface java.util.Iterator<E>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<E>