org.openanzo.util
Class NullIterator<T>

java.lang.Object
  org.openanzo.util.NullIterator<T>

Type Parameters:

T - Type of object within iterator

All Implemented Interfaces:

java.util.Iterator<T>, MutableIterator<T>

public class NullIterator<T>
extends java.lang.Object
implements MutableIterator<T>

Null implementation of MutableIterator for returning an empty iterator

Author:

Lee Feigenbaum ( feigenbl@us.ibm.com )

Constructor Summary

NullIterator()

Method Summary

boolean	hasNext()
T	next()
void	remove()
void	set(T x) Replaces the last element accessed via the iterator (usually via .next()) with newVal.

Methods inherited from class java.lang.Object

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

Constructor Detail

NullIterator

public NullIterator()

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<T>

next

public T next()

Specified by:

next in interface java.util.Iterator<T>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<T>

set

public void set(T x)

Description copied from interface: MutableIterator

Replaces the last element accessed via the iterator (usually via .next()) with newVal.

Specified by:

set in interface MutableIterator<T>

Parameters:

x - The new value to replace for the previously accessed element in the iteration.