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

Class NullIterator

java.lang.Object

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

All Implemented Interfaces:

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

public final class NullIterator
extends java.lang.Object
implements IterableIterator<java.lang.Object>

A null instance of an IterableIterator.

Since:

2.4

Version:

2.4

Method Summary

Methods

Modifier and Type	Method and Description
boolean	hasNext()
static <T> IterableIterator<T>	instance() Returns the singleton instance this NullIterator.
java.util.Iterator<java.lang.Object>	iterator()
java.lang.Object	next()
void	remove()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

instance

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

Returns the singleton instance this NullIterator.

Returns:

The singleton instance this NullIterator

hasNext

public boolean hasNext()

Specified by:

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

iterator

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

Specified by:

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

next

public java.lang.Object next()

Specified by:

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

remove

public void remove()

Specified by:

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

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object