net.walend.collection
Class ImmutableIteratorWrapper

java.lang.Object
  |
  +--net.walend.collection.ImmutableIteratorWrapper

All Implemented Interfaces:

java.util.Iterator

public class ImmutableIteratorWrapper

extends java.lang.Object

implements java.util.Iterator

Use this class to block Iterator's remove method in Immutable classes.

Since:

20010815

Author:

David Walend

Field Summary

private java.util.Iterator

it

Constructor Summary

ImmutableIteratorWrapper(java.util.Iterator iterator)

Method Summary

boolean	hasNext()
java.lang.Object	next()
void	remove()

Methods inherited from class java.lang.Object

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

Field Detail

it

private java.util.Iterator it

Constructor Detail

ImmutableIteratorWrapper

public ImmutableIteratorWrapper(java.util.Iterator iterator)

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator

next

public java.lang.Object next()

Specified by:

next in interface java.util.Iterator

remove

public void remove()

Specified by:

remove in interface java.util.Iterator

Throws:

java.lang.UnsupportedOperationException - to keep the collection immutable.