com.ds.fw.types.collections
Class FwReverseIterator

java.lang.Object
  |
  +--com.ds.fw.types.collections.FwReverseIterator

All Implemented Interfaces:

java.util.Iterator

public class FwReverseIterator

extends java.lang.Object

implements java.util.Iterator

I am used to iterate through a list in reverse order. I do not implement the remove() method or any of the "fail-fast" functionality of the standard ArrayList.iterator().

Field Summary

int	_index The current index of the _list.
java.util.List	_list A List object handle, initialized through the creation process.

Constructor Summary

FwReverseIterator(java.util.List v)
Initializes the class members.

Method Summary

boolean	hasNext() Checks if the beginning of the list is reached.
java.lang.Object	next() Returns the next element in the list.
void	remove() Not implemented.

Methods inherited from class java.lang.Object

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

Field Detail

_list

public java.util.List _list

A List object handle, initialized through the creation process.

_index

public int _index

The current index of the _list.

Constructor Detail

FwReverseIterator

public FwReverseIterator(java.util.List v)

Initializes the class members.

Parameters:

v - a List object

Method Detail

hasNext

public boolean hasNext()

Checks if the beginning of the list is reached.

Specified by:

hasNext in interface java.util.Iterator

Returns:

if there is next element

next

public java.lang.Object next()

Returns the next element in the list. If the begin of the list is reached the NoSuchElementException is thrown.

Specified by:

next in interface java.util.Iterator

Returns:

the next element in the list.

remove

public void remove()

Not implemented. This method throws a UnsupportedOperationException.

Specified by:

remove in interface java.util.Iterator