implements BeanContextMembershipListener : BeanContextMembershipListener « java.beans.beancontext « Java by API






implements BeanContextMembershipListener

  

/*
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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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