Package org.apache.cayenne.util

Class ObjectContextGraphAction

java.lang.Object

org.apache.cayenne.util.ObjectContextGraphAction

All Implemented Interfaces:

Serializable

public class ObjectContextGraphAction
extends Object
implements Serializable

A base implementation of a helper class to handle ObjectContext.propertyChanged(org.apache.cayenne.Persistent, String, Object, Object) processing on behalf of an ObjectContext.

Since:

3.0 TODO: make this non-public!

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected ObjectContext	context

Constructor Summary

Constructors

Constructor	Description
ObjectContextGraphAction(ObjectContext context)

Method Summary

Modifier and Type	Method	Description
protected void	handleArcPropertyChange(Persistent object, ArcProperty property, Object oldValue, Object newValue)
void	handlePropertyChange(Persistent object, String propertyName, Object oldValue, Object newValue)	Handles property change in a Persistent object, routing to either handleArcPropertyChange(Persistent, ArcProperty, Object, Object) or handleSimplePropertyChange(Persistent, String, Object, Object).
protected void	handleSimplePropertyChange(Persistent object, String propertyName, Object oldValue, Object newValue)
protected boolean	markAsDirty(Persistent object)	Changes object state to MODIFIED if needed, returning true if the change has occurred, false if not.

Methods inherited from class java.lang.Object

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

Field Detail

context

protected ObjectContext context

Constructor Detail

ObjectContextGraphAction

public ObjectContextGraphAction(ObjectContext context)

Method Detail

handlePropertyChange

public void handlePropertyChange(Persistent object,
                                 String propertyName,
                                 Object oldValue,
                                 Object newValue)

Handles property change in a Persistent object, routing to either handleArcPropertyChange(Persistent, ArcProperty, Object, Object) or handleSimplePropertyChange(Persistent, String, Object, Object).

handleArcPropertyChange

protected void handleArcPropertyChange(Persistent object,
                                       ArcProperty property,
                                       Object oldValue,
                                       Object newValue)

handleSimplePropertyChange

protected void handleSimplePropertyChange(Persistent object,
                                          String propertyName,
                                          Object oldValue,
                                          Object newValue)

markAsDirty

protected boolean markAsDirty(Persistent object)

Changes object state to MODIFIED if needed, returning true if the change has occurred, false if not.