org.eclipse.persistence.jpa.jpql.util.iterator
Class NullListIterator

java.lang.Object
  org.eclipse.persistence.jpa.jpql.util.iterator.NullListIterator

All Implemented Interfaces:

java.lang.Iterable<java.lang.Object>, java.util.Iterator<java.lang.Object>, java.util.ListIterator<java.lang.Object>, IterableIterator<java.lang.Object>, IterableListIterator<java.lang.Object>

public final class NullListIterator
extends java.lang.Object
implements IterableListIterator<java.lang.Object>

A null instance of an IterableListIterator.

Version:

2.4

Since:

2.4

Method Summary

void	add(java.lang.Object item)
boolean	hasNext()
boolean	hasPrevious()
static <T> IterableListIterator<T>	instance() Returns the singleton instance this NullListIterator.
java.util.ListIterator<java.lang.Object>	iterator()
java.lang.Object	next()
int	nextIndex()
java.lang.Object	previous()
int	previousIndex()
void	remove()
void	set(java.lang.Object item)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

instance

public static <T> IterableListIterator<T> instance()

Returns the singleton instance this NullListIterator.

Returns:

The singleton instance this NullListIterator

add

public void add(java.lang.Object item)

Specified by:

add in interface java.util.ListIterator<java.lang.Object>

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<java.lang.Object>

Specified by:

hasNext in interface java.util.ListIterator<java.lang.Object>

hasPrevious

public boolean hasPrevious()

Specified by:

hasPrevious in interface java.util.ListIterator<java.lang.Object>

iterator

public java.util.ListIterator<java.lang.Object> iterator()

Specified by:

iterator in interface java.lang.Iterable<java.lang.Object>

Specified by:

iterator in interface IterableListIterator<java.lang.Object>

next

public java.lang.Object next()

Specified by:

next in interface java.util.Iterator<java.lang.Object>

Specified by:

next in interface java.util.ListIterator<java.lang.Object>

nextIndex

public int nextIndex()

Specified by:

nextIndex in interface java.util.ListIterator<java.lang.Object>

previous

public java.lang.Object previous()

Specified by:

previous in interface java.util.ListIterator<java.lang.Object>

previousIndex

public int previousIndex()

Specified by:

previousIndex in interface java.util.ListIterator<java.lang.Object>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<java.lang.Object>

Specified by:

remove in interface java.util.ListIterator<java.lang.Object>

set

public void set(java.lang.Object item)

Specified by:

set in interface java.util.ListIterator<java.lang.Object>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object