net.sf.mmm.util.collection.base

Class EmptyIterator

java.lang.Object

net.sf.mmm.util.collection.base.EmptyIterator

All Implemented Interfaces:

Iterator<Object>

public class EmptyIterator
extends Object
implements Iterator<Object>

This is an implementation of the Iterator interface that is always empty. It will never have any next element.

Since:

1.0.0

Author:

Joerg Hohwiller (hohwille at users.sourceforge.net)

Field Summary

Fields

Modifier and Type	Field and Description
private static EmptyIterator	INSTANCE

Constructor Summary

Constructors

Constructor and Description
EmptyIterator() The constructor.

Method Summary

Modifier and Type	Method and Description
static <E> Iterator<E>	getInstance() This method gets the singleton instance of this empty iterator.
boolean	hasNext()
Object	next()
void	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.Iterator

forEachRemaining

Field Detail

INSTANCE

private static final EmptyIterator INSTANCE

Constructor Detail

EmptyIterator

public EmptyIterator()

The constructor.

Method Detail

getInstance

public static <E> Iterator<E> getInstance()

This method gets the singleton instance of this empty iterator.

Type Parameters:

E - is the type of the element to iterate.

Returns:

the empty iterator instance.

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<Object>

next

public Object next()

Specified by:

next in interface Iterator<Object>

remove

public void remove()

Specified by:

remove in interface Iterator<Object>