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