Hi,
>Do anyone know why? Since the environment is only accessible by the bean
instances, I
>don't see why we would have to protect the bean from itself.
Simply because some vendors may chose to cache the value because JNDI lookup
takes time, and allowing a single bean instance to change this value would
involve complex cache-set-dirty mechanism (especially if clustering).
Gene
-----Original Message-----
From: A mailing list for Enterprise JavaBeans development
[mailto:[EMAIL PROTECTED]]On Behalf Of Jean-Baptiste Nizet
Sent: Wednesday, July 26, 2000 5:45 AM
To: [EMAIL PROTECTED]
Subject: Re: java:comp/env context
You're right. I finally found it in the specs (p. 202) :
Enterprise bean instances are not allowed to modify the bean's environment
at
runtime.
Do anyone know why? Since the environment is only accessible by the bean
instances, I
don't see why we would have to protect the bean from itself.
JB.
Rickard �berg wrote:
> On Wed, 26 Jul 2000 12:32:26 +0200, Jean-Baptiste Nizet
> <[EMAIL PROTECTED]> wrote:
> >The simplest thing to do is to use the java:comp/env naming context of
this bean
> >to store the properties. This will obviously work for read-only
properties. But
> >can I be sure that the bean will be able to bind or rebind some values in
this
> >context?
>
> No, the java: namespace is read-only.
>
> > And if it is able to do it, can I be sure that all the other instances
> >of the bean will automatically see these new values, or is the container
allowed
> >to give each instance its own copy of the settings?
>
> The container can implement this anyway it pleases since it is
> read-only.
>
> >I tried it with IAS, and it seems to work well, but I wonder about other
> >servers.
>
> IAS is buggy then.
>
> regards,
> Rickard
>
> --
> Rickard �berg
>
> Email: [EMAIL PROTECTED]
> http://www.telkel.com
> http://www.jboss.org
> http://www.dreambean.com
>
>
===========================================================================
> To unsubscribe, send email to [EMAIL PROTECTED] and include in the
body
> of the message "signoff EJB-INTEREST". For general help, send email to
> [EMAIL PROTECTED] and include in the body of the message "help".
--
Jean-Baptiste Nizet
[EMAIL PROTECTED]
R&D Engineer, S1 Belgium
Kleine Kloosterstraat, 23
B-1932 Sint-Stevens Woluwe
+32 2 200 45 42
===========================================================================
To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
of the message "signoff EJB-INTEREST". For general help, send email to
[EMAIL PROTECTED] and include in the body of the message "help".
===========================================================================
To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
of the message "signoff EJB-INTEREST". For general help, send email to
[EMAIL PROTECTED] and include in the body of the message "help".
