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

Class SingleElementListIterator<E>

java.lang.Object

org.eclipse.persistence.jpa.jpql.util.iterator.SingleElementListIterator<E>

All Implemented Interfaces:

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

public class SingleElementListIterator<E>
extends java.lang.Object
implements IterableListIterator<E>

A SingleElementListIterator holds a single element and returns it with the first call to next(), at which point it will return false to any subsequent call to hasNext(). Likewise, it will return false to a call to hasPrevious()< until a call to next(), at which point a call to previous() will return the single element.

Since:

2.4

Version:

2.4

Constructor Summary

Constructors

Constructor and Description
SingleElementListIterator(E element) Creates a new SingleElementListIterator that returns only the specified element.

Method Summary

Methods

Modifier and Type	Method and Description
void	add(E item)
boolean	hasNext()
boolean	hasPrevious()
java.util.ListIterator<E>	iterator()
E	next()
int	nextIndex()
E	previous()
int	previousIndex()
void	remove()
void	set(E item)
java.lang.String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

SingleElementListIterator

public SingleElementListIterator(E element)

Creates a new SingleElementListIterator that returns only the specified element.

Parameters:

element - The only element of this Iterator

Method Detail

add

public void add(E item)

Specified by:

add in interface java.util.ListIterator<E>

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<E>

Specified by:

hasNext in interface java.util.ListIterator<E>

hasPrevious

public boolean hasPrevious()

Specified by:

hasPrevious in interface java.util.ListIterator<E>

iterator

public java.util.ListIterator<E> iterator()

Specified by:

iterator in interface java.lang.Iterable<E>

Specified by:

iterator in interface IterableListIterator<E>

next

public E next()

Specified by:

next in interface java.util.Iterator<E>

Specified by:

next in interface java.util.ListIterator<E>

nextIndex

public int nextIndex()

Specified by:

nextIndex in interface java.util.ListIterator<E>

previous

public E previous()

Specified by:

previous in interface java.util.ListIterator<E>

previousIndex

public int previousIndex()

Specified by:

previousIndex in interface java.util.ListIterator<E>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<E>

Specified by:

remove in interface java.util.ListIterator<E>

set

public void set(E item)

Specified by:

set in interface java.util.ListIterator<E>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()