net.dpml.component
Class ModelEvent

java.lang.Object
  java.util.EventObject
      net.dpml.component.ModelEvent

All Implemented Interfaces:

Serializable

public class ModelEvent

extends EventObject

Event triggered as a result of a model change.

Version:

1.0.0

Author:

Digital Product Meta Library

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

ModelEvent(Model source, String feature, Object from, Object to)
Construct a new ModelEvent.

Method Summary

String	getFeature() Return the feature name.
Object	getNewValue() Return the new value.
Object	getOldValue() Return the old value.
Model	getSourceModel() Return the component model that initiating the event.

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

ModelEvent

public ModelEvent(Model source,
                  String feature,
                  Object from,
                  Object to)

Construct a new ModelEvent.

Parameters:

source - the source component model

feature - the name of the model feature

from - the original value

to - the new value

Method Detail

getFeature

public String getFeature()

Return the feature name.

Returns:

the name of the modified feature

getOldValue

public Object getOldValue()

Return the old value.

Returns:

the original value

getNewValue

public Object getNewValue()

Return the new value.

Returns:

the new current value

getSourceModel

public Model getSourceModel()

Return the component model that initiating the event.

Returns:

the source model