Re: generate global uid's

2006-04-25 Thread Dennis Bekkering
great, thanks! 2006/4/24, Thomas Mahler [EMAIL PROTECTED]: Hi Dennis, org.apache.ojb.broker.util.GUIDFactory produces GUIDs that are unique across different VMs. cheers, Thomas Dennis Bekkering wrote: Hello all, I have a situation where i frequently have to merge data from

anonymous keys

2006-04-25 Thread Manukyan, Sergey
Folks, I have a question regarding anonymous keys. Without them I was successfully using QueryByIdentity to find an object by his PK: Query query = new QueryByIdentity(example); retVal = broker.getObjectByQuery(query); But when I enabled primary keys this approach stopped to work. Any

Re: generate global uid's

2006-04-25 Thread Armin Waibel
Hi Dennis, to use OJB's auto-increment feature (automatic assignment of PK's) you have to implement a SequenceManager based on class GUIDFactory. Simply extend AbstractSequenceManager and override public Object getUniqueValue(...) Implement protected int getUniqueId(...) and throw exception

Re: standalone getDefaultBroker auto-retrieve

2006-04-25 Thread Armin Waibel
Hi Bruno, Bruno CROS wrote: Hi Armin, Here's is a schematic example : Consider a service method that returns an object ProductBean. ProductBean is not O/R mapped but the reading calls a second method that read O/R mapped Product object. Then, relations are followed, to find description of

Re: standalone getDefaultBroker auto-retrieve

2006-04-25 Thread Bruno CROS
using proxies ? Oh, i see now. Proxy opens and closes broker well. that's it ? I didn't think to that. Tsss... I'm sorry. It seems that i'm looking for my lost brokers since too much time ago. I guess i'm going to check all my DAOs and all my transactions again (or may be someone else now

Re: standalone getDefaultBroker auto-retrieve

2006-04-25 Thread Armin Waibel
Bruno CROS wrote: using proxies ? Oh, i see now. Proxy opens and closes broker well. that's it ? I didn't think to that. Tsss... I'm sorry. It seems that i'm looking for my lost brokers since too much time ago. I guess i'm going to check all my DAOs and all my transactions again (or may be

Re: standalone getDefaultBroker auto-retrieve

2006-04-25 Thread Bruno CROS
Hi Armin, thanks for solution , but i'm not sure i did get it all !! Can you confirm solution? Well, i understand i have to override setCLosed method to catch when broker open (is borrowed), throw an exception to save a stacktrace with a catch. So , PB remembers his last loan. that's it ? When

inner join n:1 how to

2006-04-25 Thread [EMAIL PROTECTED]
I have two classes Product(table=product) and ProductGroup(table=productgroup) ; these two tables are n:1 relationship means 1 row on productgroup may has more than 1 rows on 'produc' table . I want to query to get all fields of product table and 2 field of productgroup table with some