net.ontopia.utils
Class IteratorIterator<T>

java.lang.Object
  net.ontopia.utils.IteratorIterator<T>

All Implemented Interfaces:

java.util.Iterator<T>

public class IteratorIterator<T>
extends java.lang.Object
implements java.util.Iterator<T>

INTERNAL: An iterator that works as a facade for multiple iterators. The iterator represents the sum of all the iterators.

Field Summary

protected java.util.Iterator<java.util.Iterator<T>>	colls_iter
protected java.util.Iterator<T>	iter

Constructor Summary

IteratorIterator(java.util.Collection<java.util.Collection<T>> colls_or_iters)

IteratorIterator(java.util.Iterator<java.util.Iterator<T>> colls_or_iters)

Method Summary

protected java.util.Iterator<T>	getNextIterator()
boolean	hasNext()
T	next()
void	remove()

Methods inherited from class java.lang.Object

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

Field Detail

colls_iter

protected java.util.Iterator<java.util.Iterator<T>> colls_iter

iter

protected java.util.Iterator<T> iter

Constructor Detail

IteratorIterator

public IteratorIterator(java.util.Collection<java.util.Collection<T>> colls_or_iters)

Parameters:

colls_or_iters - a collection of collections or iterators.

IteratorIterator

public IteratorIterator(java.util.Iterator<java.util.Iterator<T>> colls_or_iters)

Method Detail

getNextIterator

protected java.util.Iterator<T> getNextIterator()

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<T>

next

public T next()

Specified by:

next in interface java.util.Iterator<T>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<T>