edu.cmu.cs.coral.icf.plan_based.planners.pip
Class ConcatenatedIterator

java.lang.Object
  |
  +--edu.cmu.cs.coral.icf.plan_based.planners.pip.ConcatenatedIterator

public class ConcatenatedIterator

extends java.lang.Object

implements java.util.Iterator

Represents an iterator that concatenates several other iterators together.

Since:

ICF 0.0

Version:

$Id$

Field Summary

private java.util.Iterator	curIterator
private java.util.Iterator	iterators

Constructor Summary

ConcatenatedIterator(java.util.Iterator iterators)
Construct a new iterator that strings together the iterators specified.

Method Summary

boolean	hasNext() Checks if there is a next element from this iterator.
java.lang.Object	next() Gets the next element from this iterator.
void	remove() Removes this element from the iterator's backing store.

Methods inherited from class java.lang.Object

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

Field Detail

curIterator

private java.util.Iterator curIterator

iterators

private java.util.Iterator iterators

Constructor Detail

ConcatenatedIterator

public ConcatenatedIterator(java.util.Iterator iterators)

Construct a new iterator that strings together the iterators specified.

Parameters:

iterators - an iterator over iterators to string together

Since:

ICF 0.0

Method Detail

hasNext

public boolean hasNext()

Checks if there is a next element from this iterator.

Specified by:

hasNext in interface java.util.Iterator

Returns:

true if and only if this iterator has another element

Since:

ICF 0.0

next

public java.lang.Object next()

Gets the next element from this iterator.

Specified by:

next in interface java.util.Iterator

Returns:

the next element of this iterator

Since:

ICF 0.0

remove

public void remove()

Removes this element from the iterator's backing store.

Specified by:

remove in interface java.util.Iterator

Throws:

java.lang.UnsupportedOperationException - always

Since:

ICF 0.0