> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of danch
> Sent: Wednesday, June 13, 2001 2:14 PM
> To: [EMAIL PROTECTED]
> Cc: Jboss-Development@Lists. Sourceforge. Net
> Subject: [JBoss-dev] Re: [JBossCMP] Should storeEntity be called after
> every invocation?
>
>
> My initial reaction was "Oof, good god no!" The performance drag of all
> of those writes would be horrible.
>
Performance drag, true...But not soooo bad if you're not doing too many
writes. JAWS has tuned-updates.
> Looking at the interaction diagrams in the spec, the commit protocol
> diagrams show ejbStore happening in 'beforeCompletion', i.e. only at
> commit. Other diagrams merely show store happening at some point after a
> business method is called. The text may be more specific, but I haven't
> time to hunt right now.
>
I'll do some more hunting too. I couldn't find it at first.
Bill
> -danch
>
> Bill Burke wrote:
>
> > All,
> >
> > We have the following (bad?) assumption in our application code:
> >
> > ----------------------------
> > begin transaction
> >
> > Bean b = findByPrimaryKey(...)
> > System.out.println("flag = " + b.getFlag()); // prints flag = 1
> > b.setFlag("0")
> >
> > Enumeration = findByAllBeansWithFlagEqualToOne(....) // where flag = '1'
> >
> > // We assume Bean b is not in the Enumeration, but it is.
> >
> > end transaction
> > ----------------------------
> >
> > My question to you guys is,
> >
> > Should storeEntity be called after every Entity method
> invocation? Right
> > now, a database update only happens when the Entity is
> commited. What does
> > the spec say on this? I can't find anything at the moment.
> >
> >
> > Thanks in advance,
> >
> > Bill
> >
> >
> > --
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