@Stateless
@TransactionAttribute(TransactionAttributeType.REQUIRED)
public class EventService {
	@Inject
	private MessageA messageA;
	@Inject
	private MessageB messageB;

	public void startService() {
		messageA.setMessage("Wiadomo A");
		messageB.setMessage("Wiadomo B");
		System.out.println("Wywoanie usugi " + messageA.getMessage());
		System.out.println("Wywoanie usugi " + messageB.getMessage());
	}
}