de.rwth.utils
Class AbstractTreeIterator

java.lang.Object
  |
  +--de.rwth.utils.AbstractTreeIterator

All Implemented Interfaces:

java.util.Iterator, java.util.ListIterator, TreeIterator

public abstract class AbstractTreeIterator

extends java.lang.Object

implements TreeIterator

Describe class AbstractTreeIterator here.

Version:

$Id: AbstractTreeIterator.java,v 1.2 2002/09/17 06:53:53 mohnen Exp $

Author:

Markus Mohnen

Field Summary

protected Position

position

Constructor Summary

AbstractTreeIterator()
Describe constructor here.

Method Summary

void	add(java.lang.Object o) Describe add method here.
java.lang.Object	current() Describe current method here.
int	currentIndex() Describe currentIndex method here.
abstract java.lang.Object	externalView(java.lang.Object o) Describe externalView method here.
boolean	hasCurrent() Describe hasCurrent method here.
boolean	hasLeft() Describe hasLeft method here.
boolean	hasNext() Describe hasNext method here.
boolean	hasPrevious() Describe hasPrevious method here.
boolean	hasRight() Describe hasRight method here.
java.lang.Object	left() Describe left method here.
int	leftIndex() Describe leftIndex method here.
java.lang.Object	next() Describe next method here.
int	nextIndex() Describe nextIndex method here.
Position	position() Describe position method here.
java.lang.Object	previous() Describe previous method here.
int	previousIndex() Describe previousIndex method here.
abstract java.lang.Object	produceLeft() Describe produceLeft method here.
abstract java.lang.Object	produceNext() Describe produceNext method here.
abstract java.lang.Object	produceRight() Describe produceRight method here.
void	remove() Describe remove method here.
java.lang.Object	right() Describe right method here.
int	rightIndex() Describe rightIndex method here.
void	set(java.lang.Object o) Describe set method here.

Methods inherited from class java.lang.Object

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

Field Detail

position

protected Position position

Constructor Detail

AbstractTreeIterator

public AbstractTreeIterator()

Describe constructor here.

Method Detail

set

public void set(java.lang.Object o)

Describe set method here.

Specified by:

set in interface java.util.ListIterator

Parameters:

o - a value of type Object

remove

public void remove()

Describe remove method here.

Specified by:

remove in interface java.util.ListIterator

add

public void add(java.lang.Object o)

Describe add method here.

Specified by:

add in interface java.util.ListIterator

Parameters:

o - a value of type Object

hasCurrent

public boolean hasCurrent()

Describe hasCurrent method here.

Specified by:

hasCurrent in interface TreeIterator

Returns:

a value of type boolean

current

public java.lang.Object current()
                         throws java.util.NoSuchElementException

Describe current method here.

Specified by:

current in interface TreeIterator

Returns:

a value of type Object

Throws:

java.util.NoSuchElementException - if an error occurs

currentIndex

public int currentIndex()

Describe currentIndex method here.

Specified by:

currentIndex in interface TreeIterator

Returns:

a value of type int

hasLeft

public boolean hasLeft()

Describe hasLeft method here.

Specified by:

hasLeft in interface TreeIterator

Returns:

a value of type boolean

hasRight

public boolean hasRight()

Describe hasRight method here.

Specified by:

hasRight in interface TreeIterator

Returns:

a value of type boolean

leftIndex

public int leftIndex()

Describe leftIndex method here.

Specified by:

leftIndex in interface TreeIterator

Returns:

a value of type int

rightIndex

public int rightIndex()

Describe rightIndex method here.

Specified by:

rightIndex in interface TreeIterator

Returns:

a value of type int

left

public java.lang.Object left()
                      throws java.util.NoSuchElementException

Describe left method here.

Specified by:

left in interface TreeIterator

Returns:

a value of type Object

Throws:

java.util.NoSuchElementException - if an error occurs

right

public java.lang.Object right()
                       throws java.util.NoSuchElementException

Describe right method here.

Specified by:

right in interface TreeIterator

Returns:

a value of type Object

Throws:

java.util.NoSuchElementException - if an error occurs

hasNext

public boolean hasNext()

Describe hasNext method here.

Specified by:

hasNext in interface java.util.ListIterator

Returns:

a value of type boolean

hasPrevious

public boolean hasPrevious()

Describe hasPrevious method here.

Specified by:

hasPrevious in interface java.util.ListIterator

Returns:

a value of type boolean

next

public java.lang.Object next()
                      throws java.util.NoSuchElementException

Describe next method here.

Specified by:

next in interface java.util.ListIterator

Returns:

a value of type Object

Throws:

java.util.NoSuchElementException - if an error occurs

previous

public java.lang.Object previous()
                          throws java.util.NoSuchElementException

Describe previous method here.

Specified by:

previous in interface java.util.ListIterator

Returns:

a value of type Object

Throws:

java.util.NoSuchElementException - if an error occurs

nextIndex

public int nextIndex()

Describe nextIndex method here.

Specified by:

nextIndex in interface java.util.ListIterator

Returns:

a value of type int

previousIndex

public int previousIndex()

Describe previousIndex method here.

Specified by:

previousIndex in interface java.util.ListIterator

Returns:

a value of type int

position

public Position position()

Describe position method here.

Specified by:

position in interface TreeIterator

Returns:

a value of type Position

produceNext

public abstract java.lang.Object produceNext()

Describe produceNext method here.

Returns:

a value of type Object

produceLeft

public abstract java.lang.Object produceLeft()

Describe produceLeft method here.

Returns:

a value of type Object

produceRight

public abstract java.lang.Object produceRight()

Describe produceRight method here.

Returns:

a value of type Object

externalView

public abstract java.lang.Object externalView(java.lang.Object o)

Describe externalView method here.

Parameters:

o - a value of type Object

Returns:

a value of type Object