net.sf.doolin.bus.support
Class PropertyChangeSubscriber

java.lang.Object
  net.sf.doolin.bus.support.AbstractSubscriber<PropertyChangeMessage>
      net.sf.doolin.bus.support.PropertyChangeSubscriber

All Implemented Interfaces:

Subscriber<PropertyChangeMessage>, SubscriberExecution<PropertyChangeMessage>, SubscriberTrigger<PropertyChangeMessage>, SubscriberValidator

public class PropertyChangeSubscriber
extends AbstractSubscriber<PropertyChangeMessage>

This subscriber listens to property changes on a particular bean.

Author:

Damien Coraboeuf

Constructor Summary

PropertyChangeSubscriber(String executionDescription, SubscriberValidator validator, Object bean, String propertyName, PropertyChangeListener propertyChangeListener)
Constructor

Method Summary

boolean	accept(PropertyChangeMessage message) Checks the message
String	getExecutionDescription() Describes the execution.
String	getTriggerDescription() Description for the trigger
void	receive(PropertyChangeMessage message) This method called whenever a message is received.

Methods inherited from class net.sf.doolin.bus.support.AbstractSubscriber

getMessageClass, getValidatorDescription, isValid, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyChangeSubscriber

public PropertyChangeSubscriber(String executionDescription,
                                SubscriberValidator validator,
                                Object bean,
                                String propertyName,
                                PropertyChangeListener propertyChangeListener)

Constructor

Parameters:

executionDescription - Description of the action that is performed by this subscriber

validator - Subscription validator

bean - Bean to listen to

propertyName - Property path to listen to or null if all properties must be listened to

propertyChangeListener - Listener for the changes

Method Detail

accept

public boolean accept(PropertyChangeMessage message)

Description copied from interface: SubscriberTrigger

Checks the message

getExecutionDescription

public String getExecutionDescription()

Description copied from interface: SubscriberExecution

Describes the execution. This information is used for debugging purpose only.

Returns:

A description of the execution.

getTriggerDescription

public String getTriggerDescription()

Description copied from interface: SubscriberTrigger

Description for the trigger

receive

public void receive(PropertyChangeMessage message)

Description copied from interface: SubscriberExecution

This method called whenever a message is received.

Parameters:

message - Message to handle