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From "Martin Poeschl" <mpoes...@marmot.at>
Subject Re: OJB template enhacement?
Date Fri, 26 Dec 2003 01:45:17 GMT
hi

i am on vacation in mexico at the moment :-)
i will be back on jan. 15th ...
i will work on the ojb templates later in jan when the generator
restructuring is finnished .. stay tuned ;-)

martin

> To all,
> 	While working with OJB, and using Torque as the generator, I
> needed a constant to refer to the fields of the mapped classes when
> building criteria for the persistence broker query.  I added a small
> block of code to the /templates/ojb/model/Object.vm template to populate
> public constants for use in my bl layer.  The code I added as well as my
> usage is listed below.  I have been a developer for  many years, and
> lately I have been more involved in the java community (although I still
> like programming in VB.Net :).  I am a CVS newbie, and don't completely
> understand all the implications of CVS usage, but I would like to be
> involved in the Torque and OJB projects.  If you don't mind I will keep
> playing with things, and send ideas or comments as they arise.
>
> Object.vm excerpt:
>
> public class ${table.JavaName} implements Serializable
> {
>   // ---- added here
>   #foreach ($col in $table.Columns)
>     public static final String FIELD_$col.JavaName.toUpperCase()
> "$col.UncapitalisedJavaName";
>   #end
>   // ----- end of addition
>
>   #foreach ($col in $table.Columns)
>     private $col.JavaPrimitive $col.UncapitalisedJavaName;
>   #end
>
>
> AuthUtil.java (usage)
>
> broker = PersistenceBrokerFactory.defaultPersistenceBroker();
> 			Criteria criteria = new Criteria();
> 			criteria.addEqualTo(UserAuth.FIELD_USERNAME,
> form.getUserName());
> 			criteria.addEqualTo(UserAuth.FIELD_PASSWORD,
> form.getPassword());
> 			Query query = new
> QueryByCriteria(UserAuth.class, criteria);
> 			// ask the broker to retrieve the user
> authentitcation data
> 			userAuth = (UserAuth)
> broker.getObjectByQuery(query);
> 			if(userAuth != null) {
> 				user = getUserByUserAuth(userAuth);
> 			}
>
> Michael D. Cassidy
> Logical Art Solutions
> misha@logartsol.com
>
>
>
> Michael D. Cassidy
> Logical Art Solutions
> misha@logartsol.com
>
>



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