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JCA / Datasources in domain.xml
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reply from <a href="http://community.jboss.org/people/jesper.pedersen">Jesper Pedersen</a> in <i>JBoss AS7 Development</i> - <a href="http://community.jboss.org/message/557687#557687">View the full discussion</a>
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<div class="jive-rendered-content"><blockquote class="jive-quote"><p>namespace: I need to define the namespace used for jca definition. Conventional namespace name is "urn:jboss:domain:whateveryouwant:1.0". <strong>STATUS ON THIS POINT</strong>: the namespace will be set in the top level xsd (let me call it jca.xsd) which will include other xsd (see conclusion)</p></blockquote><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>We will need to see where it fits into the overall AS 7 domain.xml picture -- configuration of the JCA container, setting up datasources and activating resource adapters are very different things, so I don't think putting them under a single XSD is a good idea.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><blockquote class="jive-quote"><p>Number of xsd. I've explained I was planning to have different xsds for datasources (the committed one) and for connection-factories. Alexey thinks it's better to have just one xsd with multiple top-level element possible to limit the number of xsd, and much more important limit the number of namespaces. <strong>STATUS ON THIS POINT</strong>: see the next feedback and the conclusion. We agreed about an xs:include based solution giving multiple xsds file included in jca.xsd file with only one namespace used into the AS domain.xml</p></blockquote><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>No, those are separate because of the reasons stated above. Each piece will fit into a certain area in the domain.xml and not under a single tag.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>We have</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><ul><li>The actual deployment (part of domain.xml which identifies the resource adapter archive)</li><li>The configuration of the JCA container (settings for the JCA deployers and the container itself based on the JCA container XSD)</li><li>Datasources (specification of datasources based on the datasources XSD)</li><li>Activation of resource adapters (activation of resource adapter instances with their configuration based on the resource adapter XSD)</li></ul><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The question is if the "system" resource adapter such as jdbc-local.rar and jdbc-xa.rar should be hidden from the domain.xml and be a mandatory deployment. I think so, as <datasource> wouldn't work otherwise.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><blockquote class="jive-quote"><p>jca.xsd for AS7 and an xsd for ironJacamar standalone</p></blockquote><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>No, and IronJacamar standalone issues should be discussed in the JCA Devel forum - they don't belong here.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><blockquote class="jive-quote"><p>These is an advantage because we could have different life cycle for different configuaration levels, permitting in particular to add something at AS or standalone top level configs without impact each other.</p></blockquote><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>IronJacamar have a strict release cycle, so don't make that the first overall design goal. Remember that AS 7 will consume an IronJacamar tag which maps to certain functionality - the integration will live in AS 7.</p></div>
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