How to get transactions to a @PostConstruct CDI bean method

Question

I\'m experimenting with Java EE 7, CDI, JPA and JSF.

When the webapp starts, I would like to run an initialization method in my CDI bean (marked with @PostConstruct)

Answer 1

Apparently it seems that:

In the @PostConstruct (as with the afterPropertiesSet from the InitializingBean interface) there is no way to ensure that all the post processing is already done, so (indeed) there can be no Transactions. The only way to ensure that that is working is by using a TransactionTemplate.

So the only way to do something with the database from the @PostConstruct is to do something like this:

@Service("something")
public class Something 
{

    @Autowired
    @Qualifier("transactionManager")
    protected PlatformTransactionManager txManager;

    @PostConstruct
    private void init(){
        TransactionTemplate tmpl = new TransactionTemplate(txManager);
        tmpl.execute(new TransactionCallbackWithoutResult() {
            @Override
            protected void doInTransactionWithoutResult(TransactionStatus status) {
                //PUT YOUR CALL TO SERVICE HERE
            }
        });
   }
}

NOTE: similar thread but referencing Spring framework @Transactional on @PostConstruct method