org.apache.commons.collections.iterators
Class SingletonIterator

java.lang.Object
  |
  +--org.apache.commons.collections.iterators.SingletonIterator
All Implemented Interfaces:
java.util.Iterator
Direct Known Subclasses:
SingletonIterator

public class SingletonIterator
extends java.lang.Object
implements java.util.Iterator

SingletonIterator is an Iterator over a single object instance.

Since:
2.0
Version:
$Revision: 1.2.2.1 $
Author:
James Strachan, Stephen Colebourne

Constructor Summary
SingletonIterator(java.lang.Object object)
          Constructs a new SingletonIterator.
 
Method Summary
 boolean hasNext()
          Is another object available from the iterator.
 java.lang.Object next()
          Get the next object from the iterator.
 void remove()
          Remove always throws UnsupportedOperationException.
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SingletonIterator

public SingletonIterator(java.lang.Object object)
Constructs a new SingletonIterator.

Parameters:
object - the single object to return from the iterator
Method Detail

hasNext

public boolean hasNext()
Is another object available from the iterator.

This returns true if the single object hasn't been returned yet.

Specified by:
hasNext in interface java.util.Iterator
Returns:
true if the single object hasn't been returned yet

next

public java.lang.Object next()
Get the next object from the iterator.

This returns the single object if it hasn't been returned yet.

Specified by:
next in interface java.util.Iterator
Returns:
the single object
Throws:
java.util.NoSuchElementException - if the single object has already been returned

remove

public void remove()
Remove always throws UnsupportedOperationException.

Specified by:
remove in interface java.util.Iterator
Throws:
java.lang.UnsupportedOperationException - always


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