[jboss-as7-dev] Binding MDB to resource adapter by jboss-ejb3.xml
Carlo de Wolf
cdewolf at redhat.com
Fri Nov 18 07:08:33 EST 2011
I'm not talking about the activation-configType, that is being reused.
Maybe it would make sense to also have it in the assembly, but then it
should be:
<a:additional-activation-config>
<ejb-name>FooBeanMDB</ejb-name>
<activation-config>
</activation-config>
</a:additional-activation-config>
And we would need to specify rules how that element is merged with the
real activation-config element in the message-driven element. The
message-driven element can be used in jboss-ejb3.xml.
<enterprise-beans xmlns="http://java.sun.com/xml/ns/javaee">
<message-driven>
</message-driven>
</enterprise-beans>
In fact it looks like we just want to add additional items to the MDB
container itself, so <mdb:resource-adapter-binding> is wrongly named. It
looks more like a <mdb:template> but that name doesn't look right.
Another alternative which I've yet to implement is extending the
<session>, <entity> and <message-driven> elements themselves.
Carlo
On 11/18/2011 01:02 PM, Panzer, Robert wrote:
> Yes, indeed.
>
> As far as I could see, it does not work adding a message-driven element to the jboss-ejb3.xml right now - correct me from wrong.
> So I think Carlo refers to the message-driven element of the ejb-jar.xml which are the same on every application server.
>
> In my opinion it should be possible to override properties for a specific environment.
>
> WAS for instance resolves this problem by having the activation spec a manageable entity that is not coupled to the application nor the ejb component and there you can define properties. (I hope I did not earn a big Boohhh now... ;-) )
>
> I am preparing branching my fork and will post a message when I have a pull-request ready so that you can review the things I've done.
>
> Kind regards,
> Robert
>
> -----Original Message-----
> From: jboss-as7-dev-bounces at lists.jboss.org [mailto:jboss-as7-dev-bounces at lists.jboss.org] On Behalf Of Jaikiran Pai
> Sent: Friday, November 18, 2011 12:55 PM
> To: jboss-as7-dev at lists.jboss.org
> Subject: Re: [jboss-as7-dev] Binding MDB to resource adapter by jboss-ejb3.xml
>
> From what I see in that example, Robert isn't duplicating the
> activation-config in the jboss-ejb3.xml. Instead he is reusing the jee
> namespace (that maps to http://java.sun.com/xml/ns/javaee which is used
> as the target namespace by ejb-jar.xml xsd) to specify those
> activation-config properties.
>
> -Jaikiran
> On Friday 18 November 2011 05:12 PM, Carlo de Wolf wrote:
>> activation-config is already an element of message-driven. It would
>> only lead to confusion if you duplicate it.
>>
>> Carlo
>>
>> On 11/18/2011 12:02 PM, Panzer, Robert wrote:
>>> Hi,
>>>
>>> I've got something running now, that binds a message driven bean to a resource adapter using the jboss-ejb3.xml so that it is no longer necessary to define it using a JBoss specific annotation in the source nor to modify the default resource adapter in the server configuration.
>>> It is even possible to redefine activation config properties if they have to have a different value in a JBoss environment.
>>>
>>> An example of the file looks like this:
>>> <?xml version="1.0" encoding="UTF-8"?>
>>> <jboss xmlns="http://www.jboss.com/xml/ns/javaee"
>>> xmlns:jee="http://java.sun.com/xml/ns/javaee"
>>> xmlns:mdb="urn:resource-adapter-binding"
>>> xmlns:security="urn:security">
>>>
>>> <jee:assembly-descriptor>
>>> <security:security>
>>> <jee:ejb-name>TestCC</jee:ejb-name>
>>> <security:security-domain>abc</security:security-domain>
>>> </security:security>
>>> <mdb:resource-adapter-binding>
>>> <jee:ejb-name>FooMDB</jee:ejb-name>
>>> <mdb:resource-adapter-name>FooConnector.rar</mdb:resource-adapter-name>
>>> <jee:activation-config>
>>> <jee:activation-config-property>
>>> <jee:activation-config-property-name>fooActivationPropertyName</jee:activation-config-property-name>
>>> <jee:activation-config-property-value>FooValue</jee:activation-config-property-value>
>>> </jee:activation-config-property>
>>> </jee:activation-config>
>>> </mdb:resource-adapter-binding>
>>> </jee:assembly-descriptor>
>>> </jboss>
>>>
>>> What do you think about this structure?
>>>
>>> If there are no objections to this I would propose a pull request.
>>>
>>> The files I have touched are:
>>> # modified: ejb3/src/main/java/org/jboss/as/ejb3/deployment/processors/EjbJarParsingDeploymentUnitProcessor.java
>>> # modified: ejb3/src/main/java/org/jboss/as/ejb3/deployment/processors/merging/ResourceAdaptorMergingProcessor.java
>>> # new file: ejb3/src/main/java/org/jboss/as/ejb3/resourceadapterbinding/metadata/EJBBoundResourceAdapterBindingMetaData.java
>>> # new file: ejb3/src/main/java/org/jboss/as/ejb3/resourceadapterbinding/parser/EJBBoundResourceAdapterBindingMetaDataParser.java
>>> # new file: ejb3/src/main/resources/jboss-ejb-resource-adapter-binding_1_0.xsd
>>>
>>> Kind regards,
>>> Robert
>>>
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