Support Forums: Message List - Interview with Gavin King on Hibernate 3 http://www.theserverside.com Most recent forum messages en Jive Forums Silver 5.5.30 (www.jivesoftware.com) Thu, 23 May 2013 17:55:12 -0400 enhancements to hbm2ddl http://www.theserverside.com/discussions/thread.tss?thread_id=29801
I would be interested in a tool which creates the update script by comparing old and new hbm files.

How your home grown tool is creating the upgrade script?
Is there any tool available which generates the schema upgrade...]]> Tue, 27 Dec 2005 08:48:37 -0500 Tue, 27 Dec 2005 08:48:37 -0500 Tue, 27 Dec 2005 08:48:37 -0500 Dec 27, 2005 Umesh Sharma 0 The future of annotations http://www.theserverside.com/discussions/thread.tss?thread_id=29801 I am not sure I support the use of annotations as widly as what seens to be the common opinion.

I can see how adding annotations to describe necessary behaviour for my component is a nice...]]> Thu, 11 Nov 2004 16:33:52 -0500 Thu, 11 Nov 2004 16:33:52 -0500 Thu, 11 Nov 2004 16:33:52 -0500 Nov 11, 2004 Yann Perrin 0 Second level cache ? http://www.theserverside.com/discussions/thread.tss?thread_id=29801 Mon, 08 Nov 2004 10:35:22 -0500 Mon, 08 Nov 2004 10:35:22 -0500 Mon, 08 Nov 2004 10:35:22 -0500 Nov 8, 2004 Christian Bauer 0 Second level cache ? http://www.theserverside.com/discussions/thread.tss?thread_id=29801 Mon, 08 Nov 2004 10:01:49 -0500 Mon, 08 Nov 2004 10:01:49 -0500 Mon, 08 Nov 2004 10:01:49 -0500 Nov 8, 2004 Dmitry Zemnitskiy 1 Interview with Gavin King on Hibernate 3 http://www.theserverside.com/discussions/thread.tss?thread_id=29801
EJB3 does not work with J2SE.
Did you read the sun annoncement saying that the EJB3 ORM part will be able to be implemented outside any container?
Yes, but I would not call that 'EJB'....I have been...]]> Mon, 08 Nov 2004 09:07:29 -0500 Mon, 08 Nov 2004 09:07:29 -0500 Mon, 08 Nov 2004 09:07:29 -0500 Nov 8, 2004 Steve Zara 0 Second level cache ? http://www.theserverside.com/discussions/thread.tss?thread_id=29801 Mon, 08 Nov 2004 00:52:06 -0500 Mon, 08 Nov 2004 00:52:06 -0500 Mon, 08 Nov 2004 00:52:06 -0500 Nov 8, 2004 Juozas Baliuka 0 Second level cache ? http://www.theserverside.com/discussions/thread.tss?thread_id=29801
The object state still goes into the database and can be replicated in the database, but otherwise all locking and behaviours are in the objects. This all has a well known set of tradeoffs. Letting data dominate objects has too...]]> Sun, 07 Nov 2004 18:25:17 -0500 Sun, 07 Nov 2004 18:25:17 -0500 Sun, 07 Nov 2004 18:25:17 -0500 Nov 7, 2004 Cameron Purdy 1 Second level cache ? http://www.theserverside.com/discussions/thread.tss?thread_id=29801 1. not everything is data - lets say my transaction includes controlling a printer or a transient object that doesn't exist in the database. If you are using OO then a data approach makes you do some odd things to avoid using objects. Like...]]> Sat, 06 Nov 2004 13:40:07 -0500 Sat, 06 Nov 2004 13:40:07 -0500 Sat, 06 Nov 2004 13:40:07 -0500 Nov 6, 2004 Christian Bauer 0 Second level cache ? http://www.theserverside.com/discussions/thread.tss?thread_id=29801 The object state still goes into the database and can be replicated in the database, but otherwise all locking and behaviours are in the objects. This all has a well known set of tradeoffs. Letting data dominate objects has too high a price...]]> Sat, 06 Nov 2004 13:31:46 -0500 Sat, 06 Nov 2004 13:31:46 -0500 Sat, 06 Nov 2004 13:31:46 -0500 Nov 6, 2004 Juozas Baliuka 2 Second level cache ? http://www.theserverside.com/discussions/thread.tss?thread_id=29801 we think its better to delegate such work
>to the DB engine. Locking at the data source.

That is the royal we then?

Some problems with locking at the data source are:
1. not everything is data - lets say my...]]> Sat, 06 Nov 2004 13:02:23 -0500 Sat, 06 Nov 2004 13:02:23 -0500 Sat, 06 Nov 2004 13:02:23 -0500 Nov 6, 2004 thoff thoff 6 Second level cache ? http://www.theserverside.com/discussions/thread.tss?thread_id=29801 > We make the database do the lockingThen you are fine with a stateless model where objects are activated/passivated for each use. I don't like using a database as RAM, but that's just me.

One of good ways to store this...]]> Sat, 06 Nov 2004 12:48:26 -0500 Sat, 06 Nov 2004 12:48:26 -0500 Sat, 06 Nov 2004 12:48:26 -0500 Nov 6, 2004 Juozas Baliuka 0 Second level cache ? http://www.theserverside.com/discussions/thread.tss?thread_id=29801
We make the database do the locking
Then you are fine with a stateless model where objects are activated/passivated for each use. I don't like using a database as RAM, but that's just me.
Some Hibernate...]]> Sat, 06 Nov 2004 12:21:14 -0500 Sat, 06 Nov 2004 12:21:14 -0500 Sat, 06 Nov 2004 12:21:14 -0500 Nov 6, 2004 Emmanuel Bernard 7 Second level cache ? http://www.theserverside.com/discussions/thread.tss?thread_id=29801 We make the database do the locking

Then you are fine with a stateless model where objects are activated/passivated for each use. I don't like using a database as RAM, but that's just me.]]> Sat, 06 Nov 2004 12:00:32 -0500 Sat, 06 Nov 2004 12:00:32 -0500 Sat, 06 Nov 2004 12:00:32 -0500 Nov 6, 2004 thoff thoff 9 Second level cache ? http://www.theserverside.com/discussions/thread.tss?thread_id=29801 Please read instructions on usage before to bame this code.

I didn't really blame the code. And you sound very defensive. I would dearly love to be able to read a pile of documentation, assuming such quality doc is...]]> Sat, 06 Nov 2004 11:58:01 -0500 Sat, 06 Nov 2004 11:58:01 -0500 Sat, 06 Nov 2004 11:58:01 -0500 Nov 6, 2004 thoff thoff 0 Second level cache ? http://www.theserverside.com/discussions/thread.tss?thread_id=29801
We make the database do the locking...because that is what it is build for ;) (+ object level locking is...]]> Sat, 06 Nov 2004 11:37:56 -0500 Sat, 06 Nov 2004 11:37:56 -0500 Sat, 06 Nov 2004 11:37:56 -0500 Nov 6, 2004 Max Andersen 10