org.mdiutil.util

Class SingletonListIterator<E>

java.lang.Object

org.mdiutil.util.SingletonListIterator<E>

Type Parameters:

E - the type of elements in the list

All Implemented Interfaces:

Iterator<E>, ListIterator<E>

public class SingletonListIterator<E>
extends Object
implements ListIterator<E>

This class represents a ListIterator that iterate on SingletonLists.

Constructor Summary

Constructors

Constructor and Description
SingletonListIterator(SingletonList<E> list) Constructor.

Method Summary

Modifier and Type	Method and Description
void	add(E o) Set the unique element in the list.
boolean	hasNext() Return true if the iterator has just been created (the next() method has not been called).
boolean	hasPrevious() Return false.
E	next() Return the only element in the list if the iterator has just been created (the next() method has not been called), or a NoSuchElementException else.
int	nextIndex() Return 0 if the iterator has just been created (the next() method has not been called), or 1 else.
E	previous() Return a NoSuchElementException.
int	previousIndex() Return -1.
void	remove() Remove the unique element in the list.
void	set(E o) Replace the unique element in the list by the object.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

SingletonListIterator

public SingletonListIterator(SingletonList<E> list)

Constructor.

Parameters:

list - the SingletonList

Method Detail

hasNext

public boolean hasNext()

Return true if the iterator has just been created (the next() method has not been called).

Specified by:

hasNext in interface Iterator<E>

Specified by:

hasNext in interface ListIterator<E>

Returns:

true if the iterator has just been created (the next() method has not been called)

next

public E next()

Return the only element in the list if the iterator has just been created (the next() method has not been called), or a NoSuchElementException else.

Specified by:

next in interface Iterator<E>

Specified by:

next in interface ListIterator<E>

Returns:

the only element in the list

hasPrevious

public boolean hasPrevious()

Return false.

Specified by:

hasPrevious in interface ListIterator<E>

previous

public E previous()

Return a NoSuchElementException.

Specified by:

previous in interface ListIterator<E>

nextIndex

public int nextIndex()

Return 0 if the iterator has just been created (the next() method has not been called), or 1 else.

Specified by:

nextIndex in interface ListIterator<E>

Returns:

-1

previousIndex

public int previousIndex()

Return -1.

Specified by:

previousIndex in interface ListIterator<E>

Returns:

-1

remove

public void remove()

Remove the unique element in the list. Will return an IllegalStateException if the list is not empty.

Specified by:

remove in interface Iterator<E>

Specified by:

remove in interface ListIterator<E>

set

public void set(E o)

Replace the unique element in the list by the object. Will return an IllegalStateException if the list is not empty.

Specified by:

set in interface ListIterator<E>

Parameters:

o - the object

add

public void add(E o)

Set the unique element in the list. Will return an IllegalStateException if the list is not empty.

Specified by:

add in interface ListIterator<E>

Parameters:

o - the object