A Test Program to Illustrate Delivery of the BeanContextMembershipEvent.

package com.sun.example;
 
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import java.beans.beancontext.BeanContextChildSupport;
import java.beans.beancontext.BeanContextMembershipEvent;
import java.beans.beancontext.BeanContextMembershipListener;
import java.beans.beancontext.BeanContextSupport;
 
/**
 * A simple test program to illustrate delivery of the BeanContextMembershipEvent.
 */
public class MembershipTest {
    public static void main(String[] args) {
	BeanContextSupport context = new BeanContextSupport(); // the context
	MyMembershipListener listener = new MyMembershipListener();
	BeanContextChildSupport bean = new BeanContextChildSupport(); // a
	// JavaBean
	context.addBeanContextMembershipListener(listener); // now listening!
	context.add(bean);
	context.remove(bean);
    }
}
 
/**
 * A custom implementation of the BeanContextMembershipListener interface.
 */
 
class MyMembershipListener implements BeanContextMembershipListener {
    public void childrenAdded(BeanContextMembershipEvent bcme) {
	System.out.println("Another bean has been added to the context.");
    }
 
    public void childrenRemoved(BeanContextMembershipEvent bcme) {
	System.out.println("A bean has been removed from the context.");
    }
}