Re: Hibernate migration strategy Was: [PROPOSAL][VOTE] OpenMeetings

2009-11-20 Thread Alan D. Cabrera
While I think that this thread is important to take place before the potential podling graduates, I have a simple question that is about the point of order. We don't really need to resolve this particular issue before we vote on this podling do we? Won't this issue be a problem for the me

Re: Hibernate migration strategy Was: [PROPOSAL][VOTE] OpenMeetings

2009-11-20 Thread Sebastian Wagner
hi, we are using Hibernate 3.4. We use no Spring Managed Transaction Manager at this moment in OpenMeetings. We we have a lot of HQL Queries in the our OM-Layer. I read that ... I think I better switch to the openJPA mailing list as I do have a lot of questions regardign migration in detail. than

Re: Hibernate migration strategy Was: [PROPOSAL][VOTE] OpenMeetings

2009-11-19 Thread Donald Woods
Jay points out an important design feature, in that if you write to the JPA 1.0 or 2.0 spec API and don't use any provider specific extensions or behaviors, then you can easily allow your users to choose a different provider (based on performance, familiarity, ...) or depend upon the one provid

Re: Hibernate migration strategy Was: [PROPOSAL][VOTE] OpenMeetings

2009-11-19 Thread Andrus Adamchik
No. We froze the JPA compatibility effort started some time ago. Cayenne uses its own persistence API. Cheers, Andrus On Nov 19, 2009, at 7:08 PM, jean-frederic clere wrote: On 11/19/2009 05:49 PM, Andrus Adamchik wrote: If you are going to do a rewrite, yet another option is to use Apache

Re: Hibernate migration strategy Was: [PROPOSAL][VOTE] OpenMeetings

2009-11-19 Thread jean-frederic clere
On 11/19/2009 05:49 PM, Andrus Adamchik wrote: If you are going to do a rewrite, yet another option is to use Apache Cayenne, which has all the features of a modern ORM (plus a few more) and is also rather friendly to beginners: http://cayenne.apache.org/ So cayenne is JPA-enabled? Cheers Je

Re: Hibernate migration strategy Was: [PROPOSAL][VOTE] OpenMeetings

2009-11-19 Thread Andrus Adamchik
If you are going to do a rewrite, yet another option is to use Apache Cayenne, which has all the features of a modern ORM (plus a few more) and is also rather friendly to beginners: http://cayenne.apache.org/ Then maybe we can collaborate with OpenMeetings to make sure Cayenne works on Goo

Re: Hibernate migration strategy Was: [PROPOSAL][VOTE] OpenMeetings

2009-11-19 Thread Jay D. McHugh
Hello Alexei, If you are using Hibernate now - then it should not be too much trouble to switch to use OpenJPA (unless you are using some of Hibernate's enhancements to the JPA spec). At least that would be my understanding. I have used OpenJPA and love it but have never used Hibernate. Jay Al

Re: Hibernate migration strategy Was: [PROPOSAL][VOTE] OpenMeetings

2009-11-19 Thread Craig L Russell
Hi, On Nov 19, 2009, at 8:17 AM, Alexei Fedotov wrote: Hello, As for migrating from Hibernate, I see several alternatives for persistence. Enterprise Java experts, please, could you comment on this? 1. stackoverflow.com suggested using Spring as a persistence technology. My friend said t

Re: Hibernate migration strategy Was: [PROPOSAL][VOTE] OpenMeetings

2009-11-19 Thread Greg Reddin
2009/11/19 Alexei Fedotov : > 3. Does OpenJPA suggested by Niclas offer any benefits compared to JPA? > Synergy is good, but there may be other benefits I cannot see. Sorry for my > ignorance. OpenJPA == JPA in that JPA is a specification and OpenJPA is an implementation of that spec. I don't thin

Hibernate migration strategy Was: [PROPOSAL][VOTE] OpenMeetings

2009-11-19 Thread Alexei Fedotov
Hello, As for migrating from Hibernate, I see several alternatives for persistence. Enterprise Java experts, please, could you comment on this? 1. stackoverflow.com suggested using Spring as a persistence technology. My friend said that it requires coding, but you get manageable, clear and transpa