com.gargoylesoftware.base.collections
Class NotificationListEvent

java.lang.Object
  java.util.EventObject
      com.gargoylesoftware.base.collections.NotificationListEvent

All Implemented Interfaces:

java.io.Serializable

public class NotificationListEvent
extends java.util.EventObject

An event that is fired when a NotificationList changes.

Version:

$Revision: 1.6 $

Author:

Mike Bowler

See Also:

Serialized Form

Field Summary

private int	action_
static int	CHANGE Action indicating that an item in the list was change.
private int	endIndex_
static int	INSERT Action indicating that an item was inserted into the list.
private java.util.List	newValues_
private java.util.List	oldValues_
static int	REMOVE Action indicating that an item was removed from the list.
private static long	serialVersionUID
private int	startIndex_

Fields inherited from class java.util.EventObject

source

Constructor Summary

NotificationListEvent(NotificationList source, int action, int startIndex, int endIndex, java.util.List oldValues, java.util.List newValues)
Create a new event.

Method Summary

protected void	assertNotNull(java.lang.String fieldName, java.lang.Object object) Throw an exception if the specified object is null
int	getAction() Return the action which will be one of INSERT, REMOVE, CHANGE.
int	getEndIndex() Return the end index.
java.util.List	getNewValues() Return the new values
java.util.List	getOldValues() Return the old values.
int	getStartIndex() Return the start index.

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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

INSERT

public static final int INSERT

Action indicating that an item was inserted into the list.

See Also:

Constant Field Values

REMOVE

public static final int REMOVE

Action indicating that an item was removed from the list.

See Also:

Constant Field Values

CHANGE

public static final int CHANGE

Action indicating that an item in the list was change.

See Also:

Constant Field Values

startIndex_

private final int startIndex_

endIndex_

private final int endIndex_

action_

private final int action_

oldValues_

private final java.util.List oldValues_

newValues_

private final java.util.List newValues_

Constructor Detail

NotificationListEvent

public NotificationListEvent(NotificationList source,
                             int action,
                             int startIndex,
                             int endIndex,
                             java.util.List oldValues,
                             java.util.List newValues)

Create a new event.

Parameters:

source - The NotificationList

action - The action that occured. This will be one of INSERT, REMOVE or CHANGE.

startIndex - The index of the first item that is affected.

endIndex - The index of the last item that is affected.

oldValues - The original values.

newValues - The new values.

Method Detail

getStartIndex

public int getStartIndex()

Return the start index.

Returns:

The start index.

getEndIndex

public int getEndIndex()

Return the end index.

Returns:

The end index.

getAction

public int getAction()

Return the action which will be one of INSERT, REMOVE, CHANGE.

Returns:

The action.

getNewValues

public java.util.List getNewValues()

Return the new values

Returns:

The new values.

getOldValues

public java.util.List getOldValues()

Return the old values.

Returns:

The old values.

assertNotNull

protected final void assertNotNull(java.lang.String fieldName,
                                   java.lang.Object object)

Throw an exception if the specified object is null

Parameters:

fieldName - The name of the paremeter we are checking

object - The value of the parameter we are checking