org.archive.util.iterator

Class CompositeIterator<E>

java.lang.Object

org.archive.util.iterator.CompositeIterator<E>

All Implemented Interfaces:

Iterator<E>

public class CompositeIterator<E>
extends Object
implements Iterator<E>

An iterator that's built up out of any number of other iterators.

Author:

gojomo

Field Summary

Fields

Modifier and Type	Field and Description
protected Iterator<E>	currentIterator
protected int	indexOfCurrentIterator
protected ArrayList<Iterator<E>>	iterators

Constructor Summary

Constructors

Constructor and Description
CompositeIterator() Create an empty CompositeIterator.
CompositeIterator(Iterator<E> i1, Iterator<E> i2) Convenience method for concatenating together two iterators.

Method Summary

Methods

Modifier and Type	Method and Description
void	add(Iterator<E> i) Add an iterator to the internal chain.
boolean	hasNext()
E	next()
void	remove()

Methods inherited from class java.lang.Object

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

Field Detail

iterators

protected ArrayList<Iterator<E>> iterators

currentIterator

protected Iterator<E> currentIterator

indexOfCurrentIterator

protected int indexOfCurrentIterator

Constructor Detail

CompositeIterator

public CompositeIterator()

Create an empty CompositeIterator. Internal iterators may be added later.

CompositeIterator

public CompositeIterator(Iterator<E> i1,
                 Iterator<E> i2)

Convenience method for concatenating together two iterators.

Parameters:

i1 -

i2 -

Method Detail

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>

add

public void add(Iterator<E> i)

Add an iterator to the internal chain.

Parameters:

i - an iterator to add.