org.eclipse.persistence.jpa.jpql.model
Class PropertyChangeEvent<T>

java.lang.Object
  org.eclipse.persistence.jpa.jpql.model.PropertyChangeEvent<T>

All Implemented Interfaces:

IPropertyChangeEvent<T>

public class PropertyChangeEvent<T>
extends java.lang.Object
implements IPropertyChangeEvent<T>

The default implementation of IPropertyChangeEvent where the generics is the type of the old and new values.

Version:

2.4

Author:

Pascal Filion

Since:

2.4

Constructor Summary

PropertyChangeEvent(StateObject source, java.lang.String propertyName, T oldValue, T newValue)
Creates a new PropertyChangeEvent.

Method Summary

T	getNewValue() Returns the new value of the property that changed.
T	getOldValue() Returns the old value of the property that changed.
java.lang.String	getPropertyName() Returns the name of the property that changed.
<S extends StateObject> S	getSource() Returns the source where the modification occurred and that fired the event.

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyChangeEvent

public PropertyChangeEvent(StateObject source,
                           java.lang.String propertyName,
                           T oldValue,
                           T newValue)

Creates a new PropertyChangeEvent.

Parameters:

source - The source where the modification occurred and that fired the event

propertyName - The name of the property associated with the property change

oldValue - The old value of the property that changed

newValue - The new value of the property that changed

Method Detail

getNewValue

public T getNewValue()

Returns the new value of the property that changed.

Specified by:

getNewValue in interface IPropertyChangeEvent<T>

Returns:

The property's new value

getOldValue

public T getOldValue()

Returns the old value of the property that changed.

Specified by:

getOldValue in interface IPropertyChangeEvent<T>

Returns:

The property's old value

getPropertyName

public java.lang.String getPropertyName()

Returns the name of the property that changed.

Specified by:

getPropertyName in interface IPropertyChangeEvent<T>

Returns:

A unique identifier of the property that changed

getSource

public <S extends StateObject> S getSource()

Returns the source where the modification occurred and that fired the event.

Specified by:

getSource in interface IPropertyChangeEvent<T>

Returns:

The source of the event