Perhaps that was a bit shorthand.
If the transaction attribute for a method on an entity bean is supports and
the method is called from a client outside the context of a transaction, and
a client calls the method and changes the state of the bean in memory, is
that change made permanently in the database, i.e. commited?
Cheers
-----Original Message-----
From: Evan Ireland
To: [EMAIL PROTECTED]
Sent: 5/11/01 12:42 AM
Subject: Re: Placing entinty bean data back in storage
Call 'commit' on what?
Jay Walters wrote:
>
> Does it have to call commit?
>
> Cheers
>
> -----Original Message-----
> From: Evan Ireland
> To: Jay Walters
> Cc: [EMAIL PROTECTED]
> Sent: 5/10/01 5:24 PM
> Subject: Re: Placing entinty bean data back in storage
>
> Jay Walters wrote:
> >
> > This is a very good question. Much of the value in using entity
beans
> is
> > the fact that as a developer you need only write the methods to load
> and
> > store the bean and the container will manage calling them at the
> proper
> > times. Of course there is the caveat that one needs to choose the
> proper
> > transaction attributes.
> >
> > That being said, one ensures the changes are properly stored in the
> database
> > by making the changes to the entity bean within a transaction.
Given
> this,
> > the container will take care of the rest.
>
> Even if there is no transaction context the container has to call
> ejbStore.
>
> > Cheers
> > Jay
> >
> > -----Original Message-----
> > From: Nimmons, Buster [mailto:[EMAIL PROTECTED]]
> > Sent: Thursday, May 10, 2001 1:26 PM
> > To: [EMAIL PROTECTED]
> > Subject: Placing entinty bean data back in storage
> >
> > > After recently completing my first Entity bean assignment in which
I
> > > called home.create() to create a data object both in my database
and
> in
> > > the entity bean, I noticed that at the end of the lesson we had to
> call
> > > home.remove() which not only removed the data from the in-memory
> entity
> > > bean but also from the database. According to my experience
removing
> > > database data is not done nearly as often as creating data.
However
> on an
> > > EJB home object there is no save() method or anything like that.
Are
> we
> > > simply to rely on the EJB container to call the EJBs store method
> whenever
> > > it deems it necessary. How do we assure that changes made to
entity
> bean
> > > data gets saved to the database.
> >
> >
>
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> >
> >
>
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> --
>
________________________________________________________________________
> ________
>
> Evan Ireland Sybase EAServer Engineering
> [EMAIL PROTECTED]
> Wellington, New Zealand +64
4
> 934-5856
>
>
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> [EMAIL PROTECTED] and include in the body of the message "help".
--
________________________________________________________________________
________
Evan Ireland Sybase EAServer Engineering
[EMAIL PROTECTED]
Wellington, New Zealand +64 4
934-5856
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