Commit option C will load at beginning of transaction. I do not think there
is a tuned selects option (because loading is not much more costly than
checking whether data has changed).
Rama Rao wrote:
> Hi,
> How do you i do the same thing for ejbLoad?
> i.e a database changed from outside (SQL prompt for example) should be
> reflected in entity bean.
> is there any configuration setting to load the data from database whenever
> the data is changed in the database?
> TIA
> Rama Rao
> ----- Original Message -----
> From: Timo Fager <[EMAIL PROTECTED]>
> To: JBoss-User <[EMAIL PROTECTED]>
> Sent: Monday, March 05, 2001 2:40 PM
> Subject: Re: [jBoss-User] Problem with CMP and shared database
>
> >
> > Now it works as I hoped, thanks a lot!
> >
> > It seems that the essential point was this "tuned-updates".
> >
> > --
> >
> > Timo Fager
> >
> > "Castro, David" wrote:
> > >
> > > This is "tuned-updates" in jboss.xml (If I understand your question
> > > correctly)
> > >
> > > true - update if data changed
> > > false - update always
> > >
> > > > -----Original Message-----
> > > > From: Jonathan Keller [mailto:[EMAIL PROTECTED]]
> > > > Sent: Thursday, March 01, 2001 10:47 AM
> > > > To: JBoss-User
> > > > Subject: Re: [jBoss-User] Problem with CMP and shared database
> > > >
> > > >
> > > >
> > > > I took a look into the source code, and it appears (although
> > > > I'm not sure) that
> > > > the while the container does call ejbStore, it does not
> > > > actually send SQL to the
> > > > database unless some data has changed. So that works if all
> > > > you're doing is
> > > > calling getXXX methods.
> > > >
> > > > Does anyone have an explanation of why this happens or a
> > > > configuration to stop
> > > > it? I tried changing the transaction attribute on the get
> > > > functions to no avail.
> > > > I would also like to avoid using the isModified() method
> > > > since that's not part of
> > > > the EJB 1.1 spec. (Is it part of 2.0?)
> > > >
> > > > (clip clip)
> > > >
> > > > > > > > > Hello,
> > > > > > > > >
> > > > > > > > > We have a database used by both EJB and several
> > > > > > > > > non-EJB tools. Problem is, that whenever a getField()
> > > > > > > > > method of a bean is invoked, the bean writes its data
> > > > > > > > > back to database. The data may have been changed
> > > > > > > > > in the database, so the bean should actually read
> > > > > > > > > it from there.
> >
> >
> > --
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