John Harby wrote:
> Does anyone know of some guidelines on when to use CORBA in J2EE apps? (I
> mean the application using an ORB and some CORBA objects itself, not the
> underlying app server). I can see this might be required if your app is
> interfacing with some native CORBA-based app, but when else?
The J2EE "vision" for direct use of CORBA is just to connect J2EE objects to
"legacy" (i.e. working) systems that use CORBA. Given CORBA's cross
platform/cross language nature, this makes a lot of sense because it can
access resources on just about any known platform.
Not being a "true" J2EE believer, I'd also suggest that you might want to
consider use of CORBA integration for large scale or performance critical
systems. For example, you can have a J2EE facade in front of a bank of
CORBA/C++ computational servers to perform (for example) cryptographic
processing for you. You could also use CORBA/C++ in this way to achieve
some sorts of scalability, using the J2EE tier simply as a session handler,
which hands off any complex work to CORBA/C++ servers behind.
Eoin.
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