Re: [Wicket-user] attention hibernate users
You're looking for the Criteria queries. Check the API and reference guide. On 7/14/05, Jonathan Carlson [EMAIL PROTECTED] wrote: I am a Cayenne user but I'd like some feedback on Hibernate. Cayenne has a really nice Java interfact to allow dynamic adding of qualifiers (WHERE or AND clauses) and orderings to a basic cayenne SelectQuery. For example: (Finds all users with address with city of New York born after today ;-) SelectQuery q = new SelectQuery(User.class); q.addQualifier(ExpressionFactory.greaterOrEqualExp(dateOfBirth, new Date()); q.addQualifier(ExpressionFactory.matchExp(address.city, New York); Does Hibernate have anything similar? I didn't see anything quite like this on a quick perusal of their user manual, but I could easily have missed it. Hibernate's query language seems more query language (string) driven. Thanks! - Jonathan __ This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. Katun Corporation -- www.katun.com _ --- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477alloc_id=16492op=click ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_idt77alloc_id492op=click ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] attention hibernate users
As a side note: one thing that sucks about Hibernate now is the way they do their proxying in 3.0 We have had a bunch of problems with it. Most notably, you can't have final classes, as Hibernate can't create proxies for them. If you do, you get exceptions. Worse, if you have final getters and setters, Hibernate can't create proxy methods for them. But Hibernate won't tell you! It took us (Maurice and I) many hours to finally discover this. Just wanted to say that other frameworks like Cayenne and JDO (it's a spec, okay) can still be viable alternatives. Eelco --- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477alloc_id=16492op=click ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] attention hibernate users
And that wasn't a problem with 3.0? Hibernate has always used CGLib for proxying, and CGLib can't proxy anything final. I use field access, though. That way you don't have to worry about any of that because Hibernate will do bytecode manipulation. I've heard nice things about JDO, but I've been using the EJB3 annotations lately, and I think that's where it's at. Very nice. On 7/14/05, Eelco Hillenius [EMAIL PROTECTED] wrote: As a side note: one thing that sucks about Hibernate now is the way they do their proxying in 3.0 We have had a bunch of problems with it. Most notably, you can't have final classes, as Hibernate can't create proxies for them. If you do, you get exceptions. Worse, if you have final getters and setters, Hibernate can't create proxy methods for them. But Hibernate won't tell you! It took us (Maurice and I) many hours to finally discover this. Just wanted to say that other frameworks like Cayenne and JDO (it's a spec, okay) can still be viable alternatives. Eelco --- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477alloc_id=16492op=click ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_idt77alloc_id492op=click ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] attention hibernate users
Proxies and lazy collections became the default in 3.0. On 7/14/05, Phil Kulak [EMAIL PROTECTED] wrote: And that wasn't a problem with 3.0? Hibernate has always used CGLib for proxying, and CGLib can't proxy anything final. I use field access, though. That way you don't have to worry about any of that because Hibernate will do bytecode manipulation. I've heard nice things about JDO, but I've been using the EJB3 annotations lately, and I think that's where it's at. Very nice. On 7/14/05, Eelco Hillenius [EMAIL PROTECTED] wrote: As a side note: one thing that sucks about Hibernate now is the way they do their proxying in 3.0 We have had a bunch of problems with it. Most notably, you can't have final classes, as Hibernate can't create proxies for them. If you do, you get exceptions. Worse, if you have final getters and setters, Hibernate can't create proxy methods for them. But Hibernate won't tell you! It took us (Maurice and I) many hours to finally discover this. Just wanted to say that other frameworks like Cayenne and JDO (it's a spec, okay) can still be viable alternatives. Eelco --- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477alloc_id=16492op=click ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_idt77alloc_id492opclick ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_idt77alloc_id492op=click ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] attention hibernate users
Yep, you're right. I actually never ran into the problems in 2.1. Probably didn't use final. The proxy generation has changed though (don't ask me the details), and we had problems with 3.0 we didn't have in 2.1. Pretty sure it was the 2.1 - 3.0 difference, as we upgraded in the midst of a project and ran into a bunch of problems then. Phil Kulak wrote: And that wasn't a problem with 3.0? Hibernate has always used CGLib for proxying, and CGLib can't proxy anything final. I use field access, though. That way you don't have to worry about any of that because Hibernate will do bytecode manipulation. I've heard nice things about JDO, but I've been using the EJB3 annotations lately, and I think that's where it's at. Very nice. Yeah, I dig the annotations too. I'd like to go EJB 3 (undependent of Hibernate) as soon as I can. Eelco On 7/14/05, Eelco Hillenius [EMAIL PROTECTED] wrote: As a side note: one thing that sucks about Hibernate now is the way they do their proxying in 3.0 We have had a bunch of problems with it. Most notably, you can't have final classes, as Hibernate can't create proxies for them. If you do, you get exceptions. Worse, if you have final getters and setters, Hibernate can't create proxy methods for them. But Hibernate won't tell you! It took us (Maurice and I) many hours to finally discover this. Just wanted to say that other frameworks like Cayenne and JDO (it's a spec, okay) can still be viable alternatives. Eelco --- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477alloc_id=16492op=click ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_idt77alloc_id492op=click ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477alloc_id=16492op=click ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] attention hibernate users
Ah, that could be the explanation. Didn't know that. Eelco Nick Heudecker wrote: Proxies and lazy collections became the default in 3.0. --- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477alloc_id=16492op=click ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] attention hibernate users
Ok, ok, I admit. Typical case of RTFM :) Eelco Eelco Hillenius wrote: Ah, that could be the explanation. Didn't know that. Eelco Nick Heudecker wrote: Proxies and lazy collections became the default in 3.0. --- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477alloc_id=16492op=click ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] attention hibernate users
That's okay. I just finished a book on Hibernate so I had to learn the details. With the EntityManager coming in 3.1, you should be able to abstract Hibernate out of the picture even more. On 7/14/05, Eelco Hillenius [EMAIL PROTECTED] wrote: Ok, ok, I admit. Typical case of RTFM :) Eelco Eelco Hillenius wrote: Ah, that could be the explanation. Didn't know that. Eelco Nick Heudecker wrote: Proxies and lazy collections became the default in 3.0. --- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477alloc_id=16492op=click ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_idt77alloc_id492op=click ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
