FYI, I apologize for the delay in providing feedback on this. It is still on my to-do list, and I'm very much looking forward to taking a closer look at it! G
On Aug 27, 2010, at 1:16 AM, Taro App wrote: > Oops, sorry for the large attachment. I hope it wouldn't clog anyone's > mail server... > > > On Fri, Aug 27, 2010 at 2:14 PM, Taro App <[email protected]> wrote: >> Yes, I may not have enough time to write up a blog entry, I'll just >> attach the demo here. It's a war file with the source code. Should >> work on Java 1.6 + Tomcat 6.0. Libraries used are: >> >> - Hibernate 3.5.5 (with Annotation & JPA) >> - Apache Derby 10.6.1.0 (Embeded, In Memory) >> - JUnit 4.8.2 >> and of course, Apache Pivot 1.5.1 QueryServlet! >> >> jpaqueryservlet.servlet.ContactQueryServlet extends QueryServlet to >> provide CRUD services for Contact data, which only has id, last name, >> first name and version for optimistic locking. ContactQueryServlet >> makes calls to ContactDao, and ContactDao uses JPA for database >> access. Hibernate provides the underlining database work for JPA, as >> configured in persistence.xml. ContactDao is a bit overly complex for >> the purpose of this demo, but it uses JPA generic DAO pattern. >> OpenEntityManagerInViewFilter, a servlet filter, provides >> open-session-in-view pattern, which may also be a bit overly complex >> for the purpose. Derby database is started and shutted down by >> DerbyManagerListener, a servlet context listener. ContactWsTest is the >> class to test the web service. >> >> apptaro >> >> >> >> On Thu, Aug 26, 2010 at 9:25 PM, Greg Brown <[email protected]> wrote: >>> Nice! Can we see it, or do we have to wait for the blog entry? :-) >>> >>> On Aug 26, 2010, at 7:14 AM, Taro App wrote: >>> >>>> Hi Greg, >>>> >>>> I made a simple demo with QueryServlet/Hibernate/JPA and JUnit test. >>>> I'll clean up some more and will publish it on my blog. >>>> >>>> apptaro >>>> >>>> >>>> >>>> On Thu, Aug 26, 2010 at 11:41 AM, Greg Brown <[email protected]> wrote: >>>>> It occurred to me earlier this evening that QueryServlet might make a >>>>> good REST-based front end to Hibernate or some other Java-based ORM tool. >>>>> However, I don't have a lot of experience with ORMs - the DB apps I have >>>>> written have generally used JDBC directly. >>>>> >>>>> Anyone with Hibernate knowledge care to comment (or possibly write up a >>>>> simple demo to test the theory)? I think an example that retrieves a bean >>>>> from the DB and uses JSONSerializer to write it back out to the caller >>>>> would be very cool. I'd be happy to help with such an example if anyone >>>>> is interested. >>>>> >>>>> G >>>>> >>>>> >>> >>> >>
