org.apache.xalan.lib.sql
Class ObjectArray

java.lang.Object
  org.apache.xalan.lib.sql.ObjectArray

public class ObjectArray

extends Object

Provide a simple Array storage mechinsim where native Arrays will be use as the basic storage mechinism but the Arrays will be stored as blocks. The size of the Array blocks is determine during object construction. This is intended to be a simple storage mechinsim where the storage only can grow. Array elements can not be removed, only added to.

Nested Class Summary

(package private) class

ObjectArray._ObjectArray

Field Summary

private Vector	m_Arrays The container of all the sub arrays
private ObjectArray._ObjectArray	m_currentArray An index that porvides the Vector entry for the current Array that is being appended to.
private int	m_minArraySize
private int	m_nextSlot The next offset in the current Array to append a new object

Constructor Summary

ObjectArray()

ObjectArray(int minArraySize)

Method Summary

int	append(Object o)
Object	getAt(int idx)
private void	init(int size)
static void	main(String[] args)
void	setAt(int idx, Object obj)

Methods inherited from class java.lang.Object

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

Field Detail

m_minArraySize

private int m_minArraySize

m_Arrays

private Vector m_Arrays

The container of all the sub arrays

m_currentArray

private ObjectArray._ObjectArray m_currentArray

An index that porvides the Vector entry for the current Array that is being appended to.

m_nextSlot

private int m_nextSlot

The next offset in the current Array to append a new object

Constructor Detail

ObjectArray

public ObjectArray()

ObjectArray

public ObjectArray(int minArraySize)

Parameters:

minArraySize - The size of the Arrays stored in the Vector

Method Detail

init

private void init(int size)

Parameters:

size -

Returns:

getAt

public Object getAt(int idx)

Parameters:

idx - Index of the Object in the Array

Returns:

setAt

public void setAt(int idx,
                  Object obj)

Parameters:

idx - Index of the Object in the Array

obj - , The value to set in the Array

Returns:

append

public int append(Object o)

Parameters:

o - Object to be appended to the Array

Returns:

main

public static void main(String[] args)

Parameters:

args -

Returns: