edu.tum.cs.commons.collections
Class UnmodifiableListIterator<T>

java.lang.Object
  edu.tum.cs.commons.collections.UnmodifiableIterator<T>
      edu.tum.cs.commons.collections.UnmodifiableListIterator<T>

All Implemented Interfaces:

Iterator<T>, ListIterator<T>

public class UnmodifiableListIterator<T>
extends UnmodifiableIterator<T>
implements ListIterator<T>

This is a wrapper for a ListIterator prohibiting all calls which would modify its owning container. All prohibited methods throw an UnsupportedOperationException.

Version:

$Revision: 26283 $

Author:

Benjamin Hummel, $Author: juergens $

Rating:

GREEN Hash: 9BFBB340546768A49651FF141F51F985

Constructor Summary

UnmodifiableListIterator(ListIterator<T> i)
Creates a new unmodifiable list iterator from another list iterator.

Method Summary

void	add(T o) Operation is not supported.
boolean	hasPrevious()
int	nextIndex()
T	previous()
int	previousIndex()
void	set(T o) Operation is not supported.

Methods inherited from class edu.tum.cs.commons.collections.UnmodifiableIterator

hasNext, next, 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.ListIterator

hasNext, next, remove

Constructor Detail

UnmodifiableListIterator

public UnmodifiableListIterator(ListIterator<T> i)

Creates a new unmodifiable list iterator from another list iterator. All modifications to the underlying iterator will directly be visible in this wrapper.

Method Detail

hasPrevious

public boolean hasPrevious()

Specified by:

hasPrevious in interface ListIterator<T>

nextIndex

public int nextIndex()

Specified by:

nextIndex in interface ListIterator<T>

previous

public T previous()

Specified by:

previous in interface ListIterator<T>

previousIndex

public int previousIndex()

Specified by:

previousIndex in interface ListIterator<T>

add

public void add(T o)

Operation is not supported.

Specified by:

add in interface ListIterator<T>

Throws:

UnsupportedOperationException

set

public void set(T o)

Operation is not supported.

Specified by:

set in interface ListIterator<T>

Throws:

UnsupportedOperationException