org.apache.commons.collections.iterators
Class EmptyMapIterator

java.lang.Object
  org.apache.commons.collections.iterators.EmptyMapIterator

All Implemented Interfaces:

Iterator, MapIterator, ResettableIterator

public class EmptyMapIterator
extends Object
implements MapIterator, ResettableIterator

Provides an implementation of an empty map iterator.

Since:

Commons Collections 3.1

Version:

$Revision: 1.1.1.1 $ $Date: 2005/05/23 04:34:50 $

Author:

Matt Hall, John Watkinson, Stephen Colebourne

Field Summary

static MapIterator

INSTANCE Singleton instance of the iterator.

Constructor Summary

protected

EmptyMapIterator() Constructor.

Method Summary

void	add(E obj)
E	getKey()
E	getValue()
boolean	hasNext()
boolean	hasPrevious()
E	next()
int	nextIndex()
E	previous()
int	previousIndex()
void	remove()
void	reset()
void	set(E obj)
E	setValue(E value)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.commons.collections.MapIterator

getKey, getValue, hasNext, next, remove, setValue

Methods inherited from interface org.apache.commons.collections.ResettableIterator

reset

Field Detail

INSTANCE

public static final MapIterator INSTANCE

Singleton instance of the iterator.

Since:

Commons Collections 3.1

Constructor Detail

EmptyMapIterator

protected EmptyMapIterator()

Constructor.

Method Detail

hasNext

public boolean hasNext()

next

public E next()

hasPrevious

public boolean hasPrevious()

previous

public E previous()

nextIndex

public int nextIndex()

previousIndex

public int previousIndex()

add

public void add(E obj)

set

public void set(E obj)

remove

public void remove()

getKey

public E getKey()

getValue

public E getValue()

setValue

public E setValue(E value)

reset

public void reset()