If you are using Weblogic (other vendors may support this too), you can put
these seldom-changed values in a ReadOnly Bean and set a
refresh-time-interval for these beans!
Gene
----- Original Message -----
From: "Leonard Thomas" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, July 27, 2000 8:37 AM
Subject: Re: java:comp/env context
> I have a question along these lines. If I have an EJB helper class for
static
> final member properties which are initialized at system startup, these
> properties seldom change, but they do change. Is there a way to update
those
> properties (ie destroy the class) without restarting the system? Or do I
have
> to declare them not final?
>
> Gene Chuang wrote:
>
> > Hm, I was under the impression java:com/env values better served as
static
> > "constants", good mostly for deployment-time initializations. If you
want
> > to communicate values amongst beans during runtime, perhaps JMS,
MessageBean
> > or a db table for your GlobalProperties will suit you better?
> >
> > 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 3:32 AM
> > To: [EMAIL PROTECTED]
> > Subject: java:comp/env context
> >
> > I'd like to make a GlobalProperties stateless session bean. This session
> > bean
> > would make some global settings available for all the other components,
and
> > these settings could be modified at runtime. The kind of properties I'd
like
> > to
> > put there is, for example, a logging level.
> >
> > 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? 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?
> >
> > I tried it with IAS, and it seems to work well, but I wonder about other
> > servers.
> >
> > Thanks.
> > JB.
> >
> > --
> > Jean-Baptiste Nizet
> > [EMAIL PROTECTED]
> >
> > R&D Engineer, S1 Belgium
> > Kleine Kloosterstraat, 23
> > B-1932 Sint-Stevens Woluwe
> > +32 2 200 45 42
> >
> >
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> > of the message "signoff EJB-INTEREST". For general help, send email to
> > [EMAIL PROTECTED] and include in the body of the message "help".
> >
> >
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>
> --
> --------------------------------------
> Leonard Thomas
> Software Engineer
> RHINO Systems Inc.
> RDBMS and Internet development
> www.rhinosystemsinc.com
> --------------------------------------
> ******Free reminder service at *******
> ****** www.thoughtshot.com *******
> --------------------------------------
>
>
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