net.infonode.util.collection.map
Class EmptyIterator

java.lang.Object
  net.infonode.util.collection.map.EmptyIterator

All Implemented Interfaces:

ConstMapIterator, MapIterator

public class EmptyIterator
extends java.lang.Object
implements MapIterator

Field Summary

static EmptyIterator

INSTANCE

Constructor Summary

private

EmptyIterator()

Method Summary

boolean	atEntry() Returns true if the iterator points to an entry in the map.
java.lang.Object	getKey() Returns the key at the current map entry.
java.lang.Object	getValue() Returns the value at the current map entry.
void	next() Advance the iterator to the next entry.
void	remove()

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final EmptyIterator INSTANCE

Constructor Detail

EmptyIterator

private EmptyIterator()

Method Detail

remove

public void remove()

Specified by:

remove in interface MapIterator

getKey

public java.lang.Object getKey()

Description copied from interface: ConstMapIterator

Returns the key at the current map entry.

Specified by:

getKey in interface ConstMapIterator

Returns:

the key at the current map entry

getValue

public java.lang.Object getValue()

Description copied from interface: ConstMapIterator

Returns the value at the current map entry.

Specified by:

getValue in interface ConstMapIterator

Returns:

the value at the current map entry

next

public void next()

Description copied from interface: ConstMapIterator

Advance the iterator to the next entry.

Specified by:

next in interface ConstMapIterator

atEntry

public boolean atEntry()

Description copied from interface: ConstMapIterator

Returns true if the iterator points to an entry in the map.

Specified by:

atEntry in interface ConstMapIterator

Returns:

true if the iterator points to an entry in the map