com.mmm.cms.homehealth.vut

Class EmptyIterator

java.lang.Object

com.mmm.cms.homehealth.vut.EmptyIterator

All Implemented Interfaces:

java.util.Iterator, java.util.ListIterator

public class EmptyIterator
extends java.lang.Object
implements java.util.Iterator, java.util.ListIterator

Provides an empty iterator when an iterator is required but checking for a null iterator is impractical

Author:

Tim Gallagher, 3M Clinical & Economic Research for CMS Home Health

Field Summary

Fields

Modifier and Type	Field and Description
static EmptyIterator	INSTANCE

Constructor Summary

Constructors

Constructor and Description
EmptyIterator()

Method Summary

Methods

Modifier and Type	Method and Description
void	add(java.lang.Object e)
boolean	hasNext()
boolean	hasPrevious()
java.lang.Object	next()
int	nextIndex()
java.lang.Object	previous()
int	previousIndex()
void	remove()
void	set(java.lang.Object e)

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final EmptyIterator INSTANCE

Constructor Detail

EmptyIterator

public EmptyIterator()

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator

Specified by:

hasNext in interface java.util.ListIterator

next

public java.lang.Object next()

Specified by:

next in interface java.util.Iterator

Specified by:

next in interface java.util.ListIterator

remove

public void remove()

Specified by:

remove in interface java.util.Iterator

Specified by:

remove in interface java.util.ListIterator

hasPrevious

public boolean hasPrevious()

Specified by:

hasPrevious in interface java.util.ListIterator

previous

public java.lang.Object previous()

Specified by:

previous in interface java.util.ListIterator

nextIndex

public int nextIndex()

Specified by:

nextIndex in interface java.util.ListIterator

previousIndex

public int previousIndex()

Specified by:

previousIndex in interface java.util.ListIterator

set

public void set(java.lang.Object e)

Specified by:

set in interface java.util.ListIterator

add

public void add(java.lang.Object e)

Specified by:

add in interface java.util.ListIterator