Avi,
The context implementation is up to the vendor.
Some vendors (like us) have chosen to optimize
the initialization of the context (which is
potentially an expensive operation).
With our product, the first initialization
(if I may use the term) is a heavyweight call.
Further calls to initialize the context will be
light weight calls (even within your jsps
and java apps).
You are right if you meant the "local" environment
naming context of an enterprise bean. This is
illustrated with the pseudo code below:
Context jndiContext = new InitialContext();
// Above can be used pretty much everywhere
// in that application (or VM) without needing
// to be reinitialized every time
Context aSpecificBeanContext =
(Context)jndiContext.lookup("java:comp/env");
// Above can be used only in and by a
// particular enterprise bean
So if you have something defined in an EJB
(say) - "java:comp/env/MyValue" which is of type
"Integer", then you can look it up either from
the "jndiContext" object instance via a call to
jndiContext.lookup("java:comp/env/MyValue");
or from the "aSpecificBeanContext" directly
via a call to aSpecificBeanContext.lookup("MyValue");
(skips the java:comp/env prefix)
-krish
> -----Original Message-----
> From: A mailing list for Enterprise JavaBeans development
> [mailto:[EMAIL PROTECTED]]On Behalf Of Avi Kivity
> Sent: Wednesday, September 12, 2001 2:48 PM
> To: [EMAIL PROTECTED]
> Subject: Re: IntialContext
>
>
> > When I do:
> >
> > Context initCtx=new InitialContext()
> >
> > within my EJB, my initCtx is related to my ejb or is global?
> > I think that
> > is related to my EJB because the "java:comp/env" is for my
> > EJB and before
> > I can lookup "java:comp/env" I have to get a new InitialContext.
>
> Yes, you are right - it is a local context.
>
>
> - Avi
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