nz.ac.waikato.jdsl.core.ref
Class AbstractArrayIterator

java.lang.Object
  nz.ac.waikato.jdsl.core.ref.AbstractArrayIterator

Direct Known Subclasses:

ArrayLocatorIterator, ArrayPositionIterator

public abstract class AbstractArrayIterator
extends java.lang.Object

A class abstracting the common parts of ArrayPositionIterator and ArrayLocatorIterator.

Version:

JDSL 2.1.1

Author:

Luca Vismara (lv)

Field Summary

protected int	iCurrentIndex_
protected int	iLastIndex_

Constructor Summary

protected	AbstractArrayIterator(Accessor[] array) Uses the array to store the elements that this iterator traverses.
protected	AbstractArrayIterator(Accessor[] array, int num) Traverses through the array until the first num elements have been returned.

Method Summary

protected void	checkBeforeStart()
java.lang.Object	element()
boolean	hasNext()
protected Accessor	nextAccessor()
java.lang.Object	nextObject() Takes O(1) time
java.lang.Object	object() Takes O(1) time
void	reset() Takes O(1) time

Methods inherited from class java.lang.Object

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

Field Detail

iCurrentIndex_

protected int iCurrentIndex_

iLastIndex_

protected int iLastIndex_

Constructor Detail

AbstractArrayIterator

protected AbstractArrayIterator(Accessor[] array)

Uses the array to store the elements that this iterator traverses. The array is NOT copied.

Parameters:

array - The elements that this iterator should traverse.

AbstractArrayIterator

protected AbstractArrayIterator(Accessor[] array,
                                int num)
                         throws BoundaryViolationException

Traverses through the array until the first num elements have been returned. The array is NOT copied.

Throws:

BoundaryViolationException

Method Detail

hasNext

public boolean hasNext()

element

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

Throws:

java.util.NoSuchElementException

nextObject

public java.lang.Object nextObject()

Takes O(1) time

object

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

Takes O(1) time

Throws:

java.util.NoSuchElementException

reset

public void reset()

Takes O(1) time

checkBeforeStart

protected void checkBeforeStart()
                         throws java.util.NoSuchElementException

Throws:

java.util.NoSuchElementException

nextAccessor

protected Accessor nextAccessor()