import swarm.Globals;
 import swarm.Selector;
 import swarm.objectbase.SwarmObjectImpl;
 
 class Agent extends SwarmObjectImpl {
 }
 
 class Insider extends Agent {
   public Object frob () {
     System.out.println ("frob");
     return this;
   }
 }
 
 class Outsider extends Agent {
   public void doesNotRecognize (Selector sel) {
     System.out.println ("ouch! " + sel);
   }
 // public Object frob () {
 //    System.out.println ("Agent frob");
 //    return this;
 // }

 }
 
 public class NoSelector {
   static void main (String args[]) {
     Globals.env.initSwarm ("NoSelector", "bug-swarm@swarm.org", "0.0", args);
 
     Agent insider = new Insider ();
     Agent outsider = new Outsider ();
     Selector sel = null;
 
     try {
       sel = new Selector (insider.getClass (), "frob", false);
     } catch (Exception e) {
       e.printStackTrace (System.err);
       System.exit (1);
     }
     insider.perform (sel);
     outsider.perform (sel);
   }
 }