Konstantin, what yaour counter bean looks like? Is it just increment the
last ID in table or what?
On 6/25/07, [EMAIL PROTECTED] <
[EMAIL PROTECTED]> wrote:
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Today's Topics:
1. OT: Invitation to participate in research project (Ben Alex)
2. get new created row Id (John Doe)
3. Re: get new created row Id (Konstantin Priblouda)
----------------------------------------------------------------------
Message: 1
Date: Mon, 25 Jun 2007 19:28:02 +1000
From: Ben Alex <[EMAIL PROTECTED]>
Subject: [Xdoclet-user] OT: Invitation to participate in research
project
To: xdoclet-user@lists.sourceforge.net
Message-ID: <[EMAIL PROTECTED]>
Hello there
I would greatly appreciate a small amount of your time to assist with
my doctoral research at The University of Newcastle. The research
concerns open source licensing and we're seeking developers working on
Java projects. The research is supervised, ethics-approved, anonymous
and results will be freely available. Participation will also provide a
custom licensing report for your project. To learn more, please visit:
http://licensing-research.newcastle.edu.au
Thanks for reading this email, and I hope you'll consider participating.
Best regards
Ben Alex
(My apologies for being off-topic; this list will not be emailed again)
------------------------------
Message: 2
Date: Mon, 25 Jun 2007 22:15:06 +0400
From: "John Doe" <[EMAIL PROTECTED]>
Subject: [Xdoclet-user] get new created row Id
To: xdoclet-user@lists.sourceforge.net
Message-ID:
<[EMAIL PROTECTED]>
Content-Type: text/plain; charset="koi8-r"
Hi. I create row in DB through cmp and try to get it's id like this :
Object ref = context.lookup("ContractLocal");
ContractLocalHome contractLocal = (ContractLocalHome) ref;
ret = contractLocal.create(contract).getId();
but I get :
2007-06-25 14:44:02,384 ERROR [org.jboss.ejb.plugins.LogInterceptor]
EJBException in method: public abstract java.lang.Integer
com.egar.chronim.server.ejb.SessionFacade.createContract(
com.egar.chronim.model.Contract) throws java.rmi.RemoteException:
javax.ejb.NoSuchObjectLocalException: Entity not found: primaryKey=0
but row creates in DB. So I can't get Id through my local interface
because
EJB has id as 0. It does not increment like it does in DB.
How can I get the real ID of new created row?
--
Best regards,
Bashma?ov Anton
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Message: 3
Date: Mon, 25 Jun 2007 12:05:23 -0700 (PDT)
From: Konstantin Priblouda <[EMAIL PROTECTED]>
Subject: Re: [Xdoclet-user] get new created row Id
To: End-user support for the XDoclet code generator
<xdoclet-user@lists.sourceforge.net>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset=iso-8859-1
--- John Doe <[EMAIL PROTECTED]> wrote:
> Hi. I create row in DB through cmp and try to get
> it's id like this :
> Object ref = context.lookup("ContractLocal");
> ContractLocalHome contractLocal =
> (ContractLocalHome) ref;
> ret = contractLocal.create(contract).getId();
>
> but I get :
>
> 2007-06-25 14:44:02,384 ERROR
> [org.jboss.ejb.plugins.LogInterceptor]
> EJBException in method: public abstract
> java.lang.Integer
>
com.egar.chronim.server.ejb.SessionFacade.createContract(
> com.egar.chronim.model.Contract) throws
> java.rmi.RemoteException:
> javax.ejb.NoSuchObjectLocalException: Entity not
> found: primaryKey=0
>
> but row creates in DB. So I can't get Id through my
> local interface because
> EJB has id as 0. It does not increment like it does
> in DB.
> How can I get the real ID of new created row?
Thanks go to the EJB spec ;)
Short version is -your fresh and smelly EJB does not
get any ID until it is saved into database. You can
not
control when it saved into database - so you have no
possibility to reliably get ID of freshly created
entity
bean.
Back then in old days I actually used entity beans,
we created counter beans and received sequncial IDs
from there.
( Looks idiotic - but that's life and standarts ;) )
Good news is that such counter entity bean is really
transaction oriented and produces good IDs.
regards,
----[ Konstantin Pribluda http://www.pribluda.de ]----------------
JTec quality components: http://www.pribluda.de/projects/
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--
Best regards,
Bashmaкov Anton
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