On Nov 24, 2005, at 10:38 AM, [EMAIL PROTECTED] wrote:
>I was going to mention that :-). You still haven't told me how your
>(presumably j2ee) application finds the part of the RM to talk to.
>This could be an important part of the picture :-).
Applications invoke our own user-transaction-like class, which keeps
track of the change set. So when that happens, if I can find the
transaction
manager then I can call getTransaction.enlistResource(XAResource).
How does the application get the instance of your class? Or is it a
static method call? There isn't really any way to bind anything not
specified in the j2ee spec into the geronimo java:comp/env jndi
namespace. We've thought about providing a way to get a proxy to any
gbean from jndi but it isn't very clear how to fit this into the j2ee
requirements/plans.
It looks like any gbean can use the kernel (or some other object, I
can't remember) to invoke any method on any other gbean, so I can do
that too. Although I am going to write a gbean to emulate a startup
class so I can also use a reference.
Thanks a lot for the detailed description of how to write a
recoverable
resource manager. I just realized that since my cache has no persistent
state independent of the db, so I don't need recovery.
:-)
If I did want to get list under the "ResourceManagers" collection I
would
have to change the j2ee-server plan, whereas I would prefer to use an
official
plan. However, you could add a line in a future release for RMs which
are
not JCA-based:
<references name="ResourceManagers">
<pattern><gbean-name>geronimo.server:
j2eeType=JCAManagedConnectionFactory,*</gbean-name></pattern>
<pattern><gbean-name>geronimo.server:j2eeType=ActivationSpec,*</gbean-
name></pattern>
<pattern><gbean-name> <!-- pattern for other third-party RMs
--> </gbean-name></pattern>
</references>
We might add the ability to override reference patterns in the
config.xml. I was thinking you could lie and give your gbean a
j2eeType=JCAManagedConnectionFactory :-)
thanks
david jencks
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