jsr345-experts@ejb-spec.java.net

[jsr345-experts] XXX Transactional execution of a PostConstuct or PreDestroy method of a singleton session bean

From: Marina Vatkina <marina.vatkina_at_oracle.com>
Date: Tue, 06 Sep 2011 19:18:36 -0700

Experts,

Let's clarify transactional support for PostConstuct or PreDestroy methods.

a) PostConstuct or PreDestroy methods of a singleton session bean can be
executed in a transaction, while other bean types do not seem to allow
this. Why would the singleton bean is different from any other bean?

b) Why would the transactional attribute be specified differently for a
singleton vs. other beans? See e.g. an XXX marker under section "8.3.7
Specification of the Transaction Attributes for a Bean’s Methods" in one
of the bullets of the "Transaction attributes are specified for the
following methods:" text:

<...>

For a singleton session bean, the transaction attributes are specified
for the PostConstruct and PreDestroy lifecycle callback interceptor
methods, if any. In order to specify the transaction attribute for a
PostConstuct or PreDestroy method of a singleton session bean, the
transaction attribute must be specified for the method(s) on the bean
class, rather than for a superclass or PostConstruct or PreDestroy
interceptor method."

thanks,
-marina