[jboss-dev-forums] [Design of JCA on JBoss] - Re: JCA antipattern? Or not?

[adrian@jboss.org]

"bill.burke at jboss.com" wrote : JCA may not know anything about MDBs, but isn't MDB the only *standard* way of using inflow?  I thought there was no standard way of registering an activation spec and MEF, etc....

There is nothing to stop somebody writing their own MEF (POJO based)
and activating their own endpoint if they can get a link to the ResourceAdapter.

1) There is an example of this in the new jca prototype
where the MEF is actually implemented via AOP interceptors.

2) This is one of the purposes of the RAR (MetaData) Repository

My preference is to have an abstract MEF implemented by JCA
that EJB2, EJB3, POJO can extend to provide the three pieces of metadata
that change.

isMethodTransactional(Method);
getClassLoader();
The hypothetical and non-spec getTransactionTimeout(Method);

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