Support Forums: Message List - Presentation by Rod Johnson on Persistence Strategy http://www.theserverside.com Most recent forum messages en Jive Forums Silver 5.5.30 (www.jivesoftware.com) Wed, 19 Jun 2013 12:52:03 -0400 Re: Presentation by Rod Johnson on Persistence Strategy http://www.theserverside.com/discussions/thread.tss?thread_id=35233 Tue, 22 Apr 2008 07:24:29 -0400 Tue, 22 Apr 2008 07:24:29 -0400 Tue, 22 Apr 2008 07:24:29 -0400 Apr 22, 2008 guddu sk 0 Window on data question http://www.theserverside.com/discussions/thread.tss?thread_id=35233
A database schema provides the almost perfect meta data.
Sadly, it seldom does.
In my experience, it's almost ALWAYS true that you can reverse engineer an database schema (including stored...]]> Fri, 12 Aug 2005 21:29:42 -0400 Fri, 12 Aug 2005 21:29:42 -0400 Fri, 12 Aug 2005 21:29:42 -0400 Aug 12, 2005 Mark N 0 Window on data question http://www.theserverside.com/discussions/thread.tss?thread_id=35233
A database schema provides the almost perfect meta data.
Sadly, it seldom does.
In my experience, it's almost ALWAYS true that you can reverse engineer an database schema (including stored procedures,...]]> Fri, 12 Aug 2005 16:00:36 -0400 Fri, 12 Aug 2005 16:00:36 -0400 Fri, 12 Aug 2005 16:00:36 -0400 Aug 12, 2005 PJ Murray 1 Window on data question http://www.theserverside.com/discussions/thread.tss?thread_id=35233 If you're a Java programmer though, then it sort of seems logical to use the programming language you know. If it trully is just a "Window on data" what is anyone programming?
A database schema provides...]]> Fri, 12 Aug 2005 09:37:36 -0400 Fri, 12 Aug 2005 09:37:36 -0400 Fri, 12 Aug 2005 09:37:36 -0400 Aug 12, 2005 Mark N 2 Window on data question http://www.theserverside.com/discussions/thread.tss?thread_id=35233 And no benefit in using Java. Or coding anything. Just generate the code.


There's lots of approaches to developing window-on-data applications (just ask Business Objects!).

If you're a Java programmer though, then...]]> Thu, 11 Aug 2005 18:21:17 -0400 Thu, 11 Aug 2005 18:21:17 -0400 Thu, 11 Aug 2005 18:21:17 -0400 Aug 11, 2005 PJ Murray 3 Window on data question http://www.theserverside.com/discussions/thread.tss?thread_id=35233 I think the point is:In these window-on-data applications, where Java developers have no control of the database schema, can't stop a production database, where there's no business logic required, etc, there's really no benefit of using an...]]> Thu, 11 Aug 2005 16:43:25 -0400 Thu, 11 Aug 2005 16:43:25 -0400 Thu, 11 Aug 2005 16:43:25 -0400 Aug 11, 2005 Mark N 4 Window on data question http://www.theserverside.com/discussions/thread.tss?thread_id=35233 In the presentation Rod suggests that an O/R mapping tool is less appropriate if there is a 'window in data'. In do not fully understand this expression. Is it somehow related to the situation where developers work on large object models and...]]> Thu, 11 Aug 2005 11:05:33 -0400 Thu, 11 Aug 2005 11:05:33 -0400 Thu, 11 Aug 2005 11:05:33 -0400 Aug 11, 2005 PJ Murray 5 to DAO or not to DAO http://www.theserverside.com/discussions/thread.tss?thread_id=35233 I dont see how writing service.queryCustomerWithPrefetchedAccountsWithAmountGreaterThanis better than query.setString(Customer c join fetch c.accounts a where a.amount > 1000);query.execute();(query not tested query).
Could...]]> Wed, 10 Aug 2005 17:39:54 -0400 Wed, 10 Aug 2005 17:39:54 -0400 Wed, 10 Aug 2005 17:39:54 -0400 Aug 10, 2005 Jing Xue 0 Window on data question http://www.theserverside.com/discussions/thread.tss?thread_id=35233 Tue, 09 Aug 2005 06:43:05 -0400 Tue, 09 Aug 2005 06:43:05 -0400 Tue, 09 Aug 2005 06:43:05 -0400 Aug 9, 2005 Sanne deRoever 6 to DAO or not to DAO http://www.theserverside.com/discussions/thread.tss?thread_id=35233 I see DAOs being implemented on a per SQL statement basis meaning that for each unique sql statement, you would have a unique DAO.
Where do you see this happening? Whoever writes DAOs like this does needs to find someone who...]]> Mon, 08 Aug 2005 17:58:50 -0400 Mon, 08 Aug 2005 17:58:50 -0400 Mon, 08 Aug 2005 17:58:50 -0400 Aug 8, 2005 PJ Murray 0 Persistence Object Rollback http://www.theserverside.com/discussions/thread.tss?thread_id=35233 Plus we were not convinced by the usefulness of this...]]> Sun, 07 Aug 2005 17:33:27 -0400 Sun, 07 Aug 2005 17:33:27 -0400 Sun, 07 Aug 2005 17:33:27 -0400 Aug 7, 2005 Emmanuel Bernard 0 Persistence Object Rollback http://www.theserverside.com/discussions/thread.tss?thread_id=35233
Basically, there's not a graceful way to recover from the rollback, and I need to throw the potentially stale objects away.

Being able to rollback persistent objects would be very...]]> Sun, 07 Aug 2005 15:39:23 -0400 Sun, 07 Aug 2005 15:39:23 -0400 Sun, 07 Aug 2005 15:39:23 -0400 Aug 7, 2005 Fabricio Breciano 0 to DAO or not to DAO http://www.theserverside.com/discussions/thread.tss?thread_id=35233
christian]]> Sat, 06 Aug 2005 08:23:29 -0400 Sat, 06 Aug 2005 08:23:29 -0400 Sat, 06 Aug 2005 08:23:29 -0400 Aug 6, 2005 Christian Sell 0 Standalone JdbcTemplate usage http://www.theserverside.com/discussions/thread.tss?thread_id=35233
In the case of...]]> Sat, 06 Aug 2005 07:36:15 -0400 Sat, 06 Aug 2005 07:36:15 -0400 Sat, 06 Aug 2005 07:36:15 -0400 Aug 6, 2005 Juergen Hoeller 0 Persistence Object Rollback http://www.theserverside.com/discussions/thread.tss?thread_id=35233 Sat, 06 Aug 2005 07:28:50 -0400 Sat, 06 Aug 2005 07:28:50 -0400 Sat, 06 Aug 2005 07:28:50 -0400 Aug 6, 2005 Juergen Hoeller 2