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Re: Parsing and validation
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created by <a href="http://community.jboss.org/people/maeste">Stefano Maestri</a> in <i>IronJacamar Development</i> - <a href="http://community.jboss.org/message/574100#574100">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi all,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have just committed the implementation of validation for datasources metadata. You can see the patch there:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>There are 2 main points I'd like to discuss and get your feedbacks:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><ol><li>Validation has been implemented as method validate AND it's fired for every metadata creation (aka as part of the constructor). I think it's better to have valid metadata since we are working with immutable object at metadata level (at least in 99% of cases). Of course the method validate is public and can be fired by metadata's client too in case of metadata forced modification (forceXXX methods). Opinions?</li><li>I have implemented at the moment just a validation to respect xsd specification (more or less just mandatory fields and cardinalities). But of course there are more things we could verify at code level. Some example: backGroundValidationMinutes has non sense if BackGroundValidation is false; min pool size could not be < of max_pool_size and so on. Or even more complex checking like provided className are at least valid class name. Since this validation comes very early in user experience (typically during deployment) I think a fine grained check would help a lot users avoiding hard to understand runtime exception during datasources/ra use. Of course make this fine grained check would need some extra analysis and some extra documentation, but I think we would get great benefits.</li></ol><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Feedbacks are more than welcome</p><p>bye</p><p>S.</p></div>
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