edu.isi.pegasus.planner.namespace
Class Namespace.EmptyIterator

java.lang.Object
  edu.isi.pegasus.planner.namespace.Namespace.EmptyIterator

All Implemented Interfaces:

Iterator

Enclosing class:

Namespace

protected class Namespace.EmptyIterator
extends Object
implements Iterator

An empty iterator that allows me to traverse in case of null objects.

Constructor Summary

protected

Namespace.EmptyIterator()

Method Summary

boolean	hasNext() Always returns false, as an empty iterator.
Object	next() Returns a null as we are iterating over nothing.
void	remove() Returns a false, as no removal

Methods inherited from class java.lang.Object

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

Constructor Detail

Namespace.EmptyIterator

protected Namespace.EmptyIterator()

Method Detail

hasNext

public boolean hasNext()

Always returns false, as an empty iterator.

Specified by:

hasNext in interface Iterator

Returns:

false

next

public Object next()

Returns a null as we are iterating over nothing.

Specified by:

next in interface Iterator

Returns:

null

remove

public void remove()

Returns a false, as no removal

Specified by:

remove in interface Iterator