oracle.javatools.db.event

Class DBObjectPropertyListener

java.lang.Object

oracle.javatools.db.event.DBObjectListener

oracle.javatools.db.event.DBObjectPropertyListener

Direct Known Subclasses:

SwingDBObjectPropertyListener

public abstract class DBObjectPropertyListener
extends DBObjectListener

Simple utility extension of DBObjectListener that will filter the DBObjectChange fired on a single object so that a subclass can be notified only of changes to a specific property.

Since:

12

Constructor Summary

Constructors

Constructor and Description
DBObjectPropertyListener(java.lang.String... properties) Constructs a new listener that will listen for the given properties.

Method Summary

Methods

Modifier and Type	Method and Description
void	objectUpdated(DBObjectChange change) Notifies the listener when an object is updated.
protected abstract void	propertyChanged(DBObject obj, java.lang.String propertyName, java.beans.PropertyChangeEvent pce) Called whenever a DBObjectChange event is intercepted that includes a change for one of the properties we are listening for.

Methods inherited from class java.lang.Object

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

Constructor Detail

DBObjectPropertyListener

public DBObjectPropertyListener(java.lang.String... properties)

Constructs a new listener that will listen for the given properties.

Each property in the array can be a property path, but the elements of the array are treated as separate properties.

Parameters:

properties - a list of properties to listen for a change on.

Method Detail

objectUpdated

public final void objectUpdated(DBObjectChange change)

Description copied from class: DBObjectListener

Notifies the listener when an object is updated. The change object contains all information about the nature of the change.

Overrides:

objectUpdated in class DBObjectListener

propertyChanged

protected abstract void propertyChanged(DBObject obj,
                   java.lang.String propertyName,
                   java.beans.PropertyChangeEvent pce)

Called whenever a DBObjectChange event is intercepted that includes a change for one of the properties we are listening for.

Parameters:

obj - the object the property has changed on

propertyName - the name of the property that has changed

pce - the details of the property change