Class CompositeIterator<E extends @Nullable Object>

java.lang.Object

org.springframework.util.CompositeIterator<E>

Type Parameters:

E - the element type

All Implemented Interfaces:

Iterator<E>

public class CompositeIterator<E extends @Nullable Object>
extends Object
implements 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, Yanming Zhou

Constructor Summary

Constructors

Constructor	Description
CompositeIterator()

Method Summary

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

Methods inherited from class Object

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

Methods inherited from interface Iterator

forEachRemaining

Constructor Details

CompositeIterator

public CompositeIterator()

Method Details

add

public void add(Iterator<E> iterator)

Add given iterator to this composite.

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<E extends @Nullable Object>

next

public E next()

Specified by:

next in interface Iterator<E extends @Nullable Object>

remove

public void remove()

Specified by:

remove in interface Iterator<E extends @Nullable Object>