org.apache.cayenne.util
Class ObjectContextGraphAction

java.lang.Object
  extended by org.apache.cayenne.util.ObjectContextGraphAction
All Implemented Interfaces:
Serializable

public abstract 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
See Also:
Serialized Form

Field Summary
protected  ObjectContext context
           
 
Constructor Summary
ObjectContextGraphAction(ObjectContext context)
           
 
Method Summary
protected abstract  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 abstract 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.



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