org.omnaest.utils.structure.iterator
Class ListIteratorIndexBased<E>

java.lang.Object
  org.omnaest.utils.structure.iterator.ListIteratorIndexBased<E>

All Implemented Interfaces:

Iterator<E>, ListIterator<E>

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

Abstract ListIterator implementation which translates the navigation and actions to index position based operations

Author:

Omnaest

Nested Class Summary

static interface	ListIteratorIndexBased.ListIteratorIndexBasedSource<E>
static class	ListIteratorIndexBased.ListToListIteratorSourceAdapter<E> Adapter for any List implementation to act as a ListIteratorIndexBased.ListIteratorIndexBasedSource

Field Summary

protected boolean	directionForward
protected int	indexPosition
protected int	indexPositionNext
protected int	indexPositionPrevious
protected boolean	isIndexPositionValid
protected ListIteratorIndexBased.ListIteratorIndexBasedSource<E>	listIteratorIndexBasedSource

Constructor Summary

ListIteratorIndexBased(List<E> list)

ListIteratorIndexBased(ListIteratorIndexBased.ListIteratorIndexBasedSource<E> listIteratorSource)

Method Summary

void	add(E element)
protected void	calculateIndexPositionContext() Calculates the indexPositionPrevious , the indexPositionNext and the isIndexPositionValid
boolean	hasNext()
boolean	hasPrevious()
protected boolean	isValidIndexPosition(int indexPosition)
E	next()
int	nextIndex()
E	previous()
int	previousIndex()
void	remove()
void	set(E element)

Methods inherited from class java.lang.Object

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

Field Detail

indexPosition

protected int indexPosition

indexPositionNext

protected int indexPositionNext

indexPositionPrevious

protected int indexPositionPrevious

isIndexPositionValid

protected boolean isIndexPositionValid

directionForward

protected boolean directionForward

listIteratorIndexBasedSource

protected ListIteratorIndexBased.ListIteratorIndexBasedSource<E> listIteratorIndexBasedSource

Constructor Detail

ListIteratorIndexBased

public ListIteratorIndexBased(ListIteratorIndexBased.ListIteratorIndexBasedSource<E> listIteratorSource)

Parameters:

listIteratorSource -

See Also:

ListIteratorIndexBased.ListIteratorIndexBasedSource

ListIteratorIndexBased

public ListIteratorIndexBased(List<E> list)

Parameters:

list -

Method Detail

calculateIndexPositionContext

protected void calculateIndexPositionContext()

Calculates the indexPositionPrevious , the indexPositionNext and the isIndexPositionValid

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<E>

Specified by:

hasNext in interface ListIterator<E>

isValidIndexPosition

protected boolean isValidIndexPosition(int indexPosition)

Parameters:

indexPosition -

Returns:

next

public E next()

Specified by:

next in interface Iterator<E>

Specified by:

next in interface ListIterator<E>

remove

public void remove()

Specified by:

remove in interface Iterator<E>

Specified by:

remove in interface ListIterator<E>

hasPrevious

public boolean hasPrevious()

Specified by:

hasPrevious in interface ListIterator<E>

previous

public E previous()

Specified by:

previous in interface ListIterator<E>

nextIndex

public int nextIndex()

Specified by:

nextIndex in interface ListIterator<E>

previousIndex

public int previousIndex()

Specified by:

previousIndex in interface ListIterator<E>

set

public void set(E element)

Specified by:

set in interface ListIterator<E>

add

public void add(E element)

Specified by:

add in interface ListIterator<E>