BusPassService.java

@Service
public class BusPassService {

    private final KieContainer kieContainer;

    @Autowired
    public BusPassService(KieContainer kieContainer) {
        log.info("Initialising a new bus pass session.");
        this.kieContainer = kieContainer;
    }

    /**
     * Create a new session, insert a person's details and fire rules to
     * determine what kind of bus pass is to be issued.
     */
    public BusPass getBusPass(Person person) {
        KieSession kieSession = kieContainer.newKieSession("BusPassSession");
        kieSession.insert(person);
        kieSession.fireAllRules();
        BusPass busPass = findBusPass(kieSession);
        kieSession.dispose();
        return busPass;
    }
    
    // ...
}