Hi Ed,
Personally I don't seem much overlap. Servlets are non-transactional,
non-persistent, non-concurrent, and generally very simple in architecture
compared to EJB.
I've work closely with both technologies and believe there are applications
that should use either or both, but I don't think they overlap. EJB is a
component model for Component Transaction Monitors; Servlets are a post and
response component model. They are both distributed and synchronous but
that's about it as far a similarities. Pooling is simply an implementation
characteristic that both models hold in common. A lot of Database gateways
use pooling also, but I don't think that make them similar to EJB.
I hope that both technologies survive in the long run.
Thanks,
Richard
-----Original Message-----
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: 2/25/99 2:48 AM
Subject: servlets and EJB
Hey guys,
What are people's thoughts on Java servlets verses Enterprise
JavaBeans?
It seems to me that the two concepts overlap in very interesting ways
(for
example, both are pooled, and intended for distributed, networked
objects). I
see servlets as useful because they are request/response oriented, and
more
lightweight to develop. Enterprise beans are general components, and
gain a
full suite of middleware services.
While these differences are important, it seems strange to me that
we have
two seperate products in the Enterprise Java Platform that perform such
similar
functions. Has anyone made a special lightweight enterprise bean type
that was
a request/response oriented bean, aka a servlet? Has anyone built a
servlet
engine on top of an EJB container?
-Ed
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