JavaBean: illustrate delivery of the BeanContextMembershipEvent
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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.");
}
}
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