org.ujoframework.listener
Class UjoPropertyChangeSupport

java.lang.Object
  org.ujoframework.listener.UjoPropertyChangeSupport

public class UjoPropertyChangeSupport
extends java.lang.Object

A Property Change Support for the UJO objects.

Since:

ujo-tool

Author:

Pavel Ponec

Constructor Summary

UjoPropertyChangeSupport(Ujo source)
Constructor

UjoPropertyChangeSupport(Ujo source, java.lang.Boolean before)
Constructor

Method Summary

boolean	addPropertyChangeListener(UjoProperty property, java.lang.Boolean before, UjoPropertyChangeListener listener) Add listener
void	firePropertyChange(UjoProperty property, java.lang.Object oldValue, java.lang.Object newValue, boolean beforeChange) Fire event for the property
java.lang.Boolean	getBefore() Returns a type of support.
boolean	removePropertyChangeListener(UjoProperty property, java.lang.Boolean before, UjoPropertyChangeListener listener) Remove listener

Methods inherited from class java.lang.Object

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

Constructor Detail

UjoPropertyChangeSupport

public UjoPropertyChangeSupport(Ujo source)

Constructor

UjoPropertyChangeSupport

public UjoPropertyChangeSupport(Ujo source,
                                java.lang.Boolean before)

Constructor

Parameters:

source - The source object.

before - The parameter can create a restriction for a listener type

• TRUE - allows to register the listeners before writting value only
• FALSE - allows to register the listeners after awritting value only
• NULL - allows to register both type of listeners

Method Detail

addPropertyChangeListener

public boolean addPropertyChangeListener(UjoProperty property,
                                         java.lang.Boolean before,
                                         UjoPropertyChangeListener listener)

Add listener

removePropertyChangeListener

public boolean removePropertyChangeListener(UjoProperty property,
                                            java.lang.Boolean before,
                                            UjoPropertyChangeListener listener)

Remove listener

firePropertyChange

public void firePropertyChange(UjoProperty property,
                               java.lang.Object oldValue,
                               java.lang.Object newValue,
                               boolean beforeChange)

Fire event for the property

getBefore

public java.lang.Boolean getBefore()

Returns a type of support.

Returns:

TRUE means before support, FALSE means after support, NULL means a both action support.