code: public void init() {
          this.session.getAgenda().getAgendaGroup( "register neighbor" ).setFocus();
          this.session.fireAllRules();
          this.session.getAgenda().getAgendaGroup( "calculate" ).clear();
      }
docs: /* (non-Javadoc)
  @see org.drools.examples.conway.ConwayRuleDelegate#init()