data.events
Class StockChangeEvent

java.lang.Object
  |
  +--java.util.EventObject
        |
        +--data.events.StockChangeEvent

public abstract class StockChangeEvent

extends EventObject

Abstract super class of all events indicating changes in a Stock's contents.

The concrete implementations depend on the concrete implementations of the Stock interface.

Since:

v2.0

Version:

2.0 19/08/1999

Author:

Steffen Zschaler

See Also:

Serialized Form

Fields inherited from class java.util.EventObject

source

Constructor Summary

StockChangeEvent(ListenableStock lstSource, DataBasket dbBasket)
Create a new StockChangeEvent.

Method Summary

abstract int	countAffectedItems() Count the items affected by this event.
abstract Iterator	getAffectedItems() Get the items that are affected by the event.
abstract String	getAffectedKey() Get the name of the items that are affected by the event.
DataBasket	getBasket() Get the DataBasket used for the operation.

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

StockChangeEvent

public StockChangeEvent(ListenableStock lstSource,
                        DataBasket dbBasket)

Create a new StockChangeEvent.

Parameters:

lstSource - the Stock that triggers the event.

dbBasket - the basket used for the operation.

Method Detail

getAffectedKey

public abstract String getAffectedKey()

Get the name of the items that are affected by the event.

Override:

Always.

countAffectedItems

public abstract int countAffectedItems()

Count the items affected by this event.

Override:

Always.

getAffectedItems

public abstract Iterator getAffectedItems()

Get the items that are affected by the event.

Override:

Always.

getBasket

public DataBasket getBasket()

Get the DataBasket used for the operation.

Override:

Never.