org.gjt.rec.util
Class EmptyIterator

java.lang.Object
  |
  +--org.gjt.rec.util.EmptyIterator

All Implemented Interfaces:

Iterator

public final class EmptyIterator

extends Object

implements Iterator

An iterator with no elements. This class is a Singleton.

Author:

Neil Stockbridge

Field Summary

static String

REVISION

Method Summary

boolean	hasNext()
Object	next()
static EmptyIterator	onlyInstance() Checks to see if the only instance of this class allowed has been created and creates it if it has not.
void	remove()

Methods inherited from class java.lang.Object

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

Field Detail

REVISION

public static final String REVISION

See Also:

Constant Field Values

Method Detail

onlyInstance

public static EmptyIterator onlyInstance()

Checks to see if the only instance of this class allowed has been created and creates it if it has not.

Returns:

The only instance of this class allowed in the VM.

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator

next

public Object next()

Specified by:

next in interface Iterator

remove

public void remove()

Specified by:

remove in interface Iterator