de.bensoft.acis.core

Class ContextStack

java.lang.Object

de.bensoft.acis.core.ContextStack

public class ContextStack
extends java.lang.Object

Class for managing the context elements.
They are sorted by age from youngest to oldest.

Constructor Summary

Constructors

Constructor and Description
ContextStack(int maxSize) The constructor.
ContextStack(int maxSize, ContextStackItem[] items) The constructor.

Method Summary

Modifier and Type	Method and Description
(package private) void	addItem(ContextStackItem item) Adds an item to the stack.
ContextStackItem[]	getItems() Returns the items.
(package private) int	getMaximumSize() Returns the maximum size.
(package private) void	removeItem(int index) Removes an item at the specified position.
(package private) void	updateItem(int index, ContextStackItem newItem) Updates an item at the specified position.

Methods inherited from class java.lang.Object

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

Constructor Detail

ContextStack

ContextStack(int maxSize)

The constructor.

Parameters:

maxSize - The maximum size.

ContextStack

ContextStack(int maxSize,
             ContextStackItem[] items)

The constructor.

Parameters:

maxSize - The maximum size.

items - Items to be added.

Method Detail

getItems

public ContextStackItem[] getItems()

Returns the items.

Returns:

The item array sorted from youngest to oldest.

removeItem

void removeItem(int index)

Removes an item at the specified position.

Parameters:

index - The position of the item to be removed.

updateItem

void updateItem(int index,
                ContextStackItem newItem)

Updates an item at the specified position. All items are sorted upon this.

Parameters:

index - The position of the item to be updated.

newItem - The new item.

addItem

void addItem(ContextStackItem item)

Adds an item to the stack. All items are sorted upon this.

Parameters:

item - The item to be added.

getMaximumSize

int getMaximumSize()

Returns the maximum size.

Returns:

The maximum size.