WS-BA without TXFramework

OrderParticipant.java

public class OrderParticipant implements 
          BusinessAgreementWithCoordinatorCompletionParticipant, 
          ConfirmCompletedParticipant  {
    
    void compensate() throws FaultedException, WrongStateException, SystemException {
        EmailSender.sendEmail("Unfortunately, we have had to cancel your order for item: " + 
                               MockOrderManager.getItem());
    }

    void confirmCompleted(boolean confirmed) {
        if (confirmed)
            EmailSender.sendEmail("Your order is now confirmed for the following item: " + 
                               MockOrderManager.getItem());
    }

    @Deprecated
    void unknown() throws SystemException {...}
    String status() throws SystemException {...}
    void error() throws SystemException {...}
    void close() throws WrongStateException, SystemException {...}
    void cancel() throws FaultedException, WrongStateException, SystemException {...}
}

SetServiceBAImpl.java

@WebService
@HandlerChain(file="/context-handlers.xml", name="Context Handlers")
public class OrderServiceBAImpl implements OrderServiceBA {

    @WebMethod
    public void placeOrder(String item) throws OrderServiceException {
        BAParticipantManager participantManager;
        try {
            OrderParticipant participant = new OrderParticipant(value);
            BusinessActivityManager am = 
                 BusinessActivityManagerFactory.businessActivityManager();
            am.enlistForBusinessAgreementWithCoordinatorCompletion(
                          participant, "OrderServiceBAImpl:" + UUID.randomUUID());
        } catch (Exception e) {
            throw new OrderServiceException("Error enlisting participant", e);
        }
        MockOrderManager.registerOrder(item);
    }
}