EJB3 Transaction Propagation

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隐瞒了意图╮ 2020-12-13 04:25

I have a stateless bean something like:

@Stateless
public class MyStatelessBean implements MyStatelessLocal, MyStatelessRemote {
    @PersistenceContext(unit


      
      
        
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                   时光取名叫无心
                                             
                
                
                (楼主)
            
              
              
                2020-12-13 05:20
              

            
            
                        
Matt, the question you ask is a pretty classic one, I think the self-reference solution by Herval/Pascal is neat. There is a more general solution not mentioned here.

This is a case for EJB "user" transactions. Since you are in a session bean you can get the user transaction from the session context. Here's how your code will look with user transactions:

// supposing processObjects defined on MyStatelessRemote1 and process defined on MyStatelessLocal1
@Stateless
@TransationAttribute(TransactionAttributeType.NOT_SUPPORTED)
public class MyStatelessBean1 implements MyStatelessLocal1, MyStatelessRemote1 {

    @Resource
    private SessionContext ctx;

    @EJB
    private MyStatelessLocal1 myBean2;

    public void processObjects(List