org.apache.commons.jexl.util

Class ArrayIterator

java.lang.Object

org.apache.commons.jexl.util.ArrayIterator

All Implemented Interfaces:

java.util.Iterator

public class ArrayIterator
extends java.lang.Object
implements java.util.Iterator

An Iterator wrapper for an Object[]. This will allow us to deal with all array like structures in a consistent manner.

WARNING : this class's operations are NOT synchronized. It is meant to be used in a single thread, newly created for each use in the #foreach() directive. If this is used or shared, synchronize in the next() method.

Since:

1.0

Version:

$Id: ArrayIterator.java 398329 2006-04-30 12:51:43Z dion $

Author:

Jason van Zyl, Geir Magnusson Jr.

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.Object	array The objects to iterate over.
private int	pos The current position and size in the array.
private int	size The size of the array.

Constructor Summary

Constructors

Constructor and Description
ArrayIterator(java.lang.Object arr) Creates a new iterator instance for the specified array.

Method Summary

Modifier and Type	Method and Description
boolean	hasNext() Check to see if there is another element in the array.
java.lang.Object	next() Move to next element in the array.
void	remove() No op--merely added to satify the Iterator interface.

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

Field Detail

array

private final java.lang.Object array

The objects to iterate over.

pos

private int pos

The current position and size in the array.

size

private final int size

The size of the array.

Constructor Detail

ArrayIterator

public ArrayIterator(java.lang.Object arr)

Creates a new iterator instance for the specified array.

Parameters:

arr - The array for which an iterator is desired.

Method Detail

next

public java.lang.Object next()

Move to next element in the array.

Specified by:

next in interface java.util.Iterator

Returns:

The next object in the array.

hasNext

public boolean hasNext()

Check to see if there is another element in the array.

Specified by:

hasNext in interface java.util.Iterator

Returns:

Whether there is another element.

remove

public void remove()

No op--merely added to satify the Iterator interface.

Specified by:

remove in interface java.util.Iterator