I seem to remember that this can be done as long as the
ThreadDelegate class is not deployed *with* the bean. If
it's a class that 'just happens' to be on the server's
classpath, it's OK.
Frank
> -----Original Message-----
> From: A mailing list for Enterprise JavaBeans development
> [mailto:[EMAIL PROTECTED]]On Behalf Of Laird Nelson
> Sent: Thursday, February 17, 2000 11:20 AM
> To: [EMAIL PROTECTED]
> Subject: Threads question
>
>
> An enterprise bean may not use thread primitives. I take this to mean
> it cannot do this:
>
> Thread t = new Thread(someRunnable);
> t.start();
>
> ...or this:
>
> synchronized (someGuard) {
> doCriticalWork();
> doMoreCriticalWork();
> }
>
> ...or this:
>
> Thread t = new Thread(someRunnable);
> t.start();
> t.join();
>
> ...but the specification seems to imply that it COULD do
> something like
> this--and I hope I can:
>
> ThreadDelegate td =
> new BasicJavaObjectThatUsesThreadsAndSynchronizationInternally();
> td.doWork(); // implementation works with threads
>
> Is this true? If for some reason it is NOT true, doesn't this mean I
> now have to know about implementation details of all the
> plain-Jane Java
> objects my enterprise bean might use? Wouldn't such a thing blow
> reusability out of the water?
>
> If it IS true, then why can't an enterprise bean use threads directly,
> as the invocation of td.doWork() in the example above occurs in the
> enterprise bean's caller's thread anyhow?
>
> Cheers,
> Laird
>
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