org.jaxen.util
Class SingleObjectIterator

java.lang.Object
  org.jaxen.util.SingleObjectIterator

All Implemented Interfaces:

java.util.Iterator

Direct Known Subclasses:

SelfAxisIterator

public class SingleObjectIterator

extends java.lang.Object

implements java.util.Iterator

Simple utility class that wraps an iterator around one object. This is a little more efficent than creating a one-object list.

Field Summary

private java.lang.Object	object
private boolean	seen

Constructor Summary

SingleObjectIterator(java.lang.Object object)
Creates a new single object iterator.

Method Summary

boolean	hasNext() Returns true if this iterator's element has not yet been seen; false if it has.
java.lang.Object	next() Returns the single element in this iterator if it has not yet been seen.
void	remove() This operation is not supported.

Methods inherited from class java.lang.Object

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

Field Detail

object

private java.lang.Object object

seen

private boolean seen

Constructor Detail

SingleObjectIterator

public SingleObjectIterator(java.lang.Object object)

Creates a new single object iterator.

Parameters:

object - the object to iterate over

Method Detail

hasNext

public boolean hasNext()

Returns true if this iterator's element has not yet been seen; false if it has.

Specified by:

hasNext in interface java.util.Iterator

Returns:

true if this iterator has another element; false if it doesn't

See Also:

Iterator.hasNext()

next

public java.lang.Object next()

Returns the single element in this iterator if it has not yet been seen.

Specified by:

next in interface java.util.Iterator

Returns:

the next element in this iterator

Throws:

java.util.NoSuchElementException - if the element has already been seen

See Also:

Iterator.next()

remove

public void remove()

This operation is not supported.

Specified by:

remove in interface java.util.Iterator

Throws:

java.lang.UnsupportedOperationException - always