Package org.apache.commons.collections.iterators

Class EmptyMapIterator

java.lang.Object

org.apache.commons.collections.iterators.EmptyMapIterator

All Implemented Interfaces:

java.util.Iterator, MapIterator, ResettableIterator

public class EmptyMapIterator
extends java.lang.Object
implements MapIterator, ResettableIterator

Provides an implementation of an empty map iterator.

Since:

Commons Collections 3.1

Version:

$Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $

Author:

Stephen Colebourne

Field Summary

Fields

Modifier and Type	Field	Description
static MapIterator	INSTANCE	Singleton instance of the iterator.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	EmptyMapIterator()	Constructor.

Method Summary

Modifier and Type	Method	Description
void	add(java.lang.Object obj)
java.lang.Object	getKey()
java.lang.Object	getValue()
boolean	hasNext()
boolean	hasPrevious()
java.lang.Object	next()
int	nextIndex()
java.lang.Object	previous()
int	previousIndex()
void	remove()
void	reset()
void	set(java.lang.Object obj)
java.lang.Object	setValue(java.lang.Object value)

Methods inherited from interface java.util.Iterator

forEachRemaining

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

getKey, getValue, hasNext, next, remove, setValue

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.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 java.lang.Object next()

hasPrevious

public boolean hasPrevious()

previous

public java.lang.Object previous()

nextIndex

public int nextIndex()

previousIndex

public int previousIndex()

add

public void add(java.lang.Object obj)

set

public void set(java.lang.Object obj)

remove

public void remove()

getKey

public java.lang.Object getKey()

getValue

public java.lang.Object getValue()

setValue

public java.lang.Object setValue(java.lang.Object value)

reset

public void reset()