Re: What to play with EJB which server?

[Murthy, A (CAP, GEFA, Contractor)]

Hi one more question please regarding the EJBs connectivity to Legacy
Mainframe systems.

Actually our company wants to develop a portal which has 3 different
mainframe databses at different locations. Now instead of making a
relational database for each one, how can I implement EJB technology to talk
with all these mainframe systems?

Using CORBA / IIOP technology, can my EJBs( both entity and session beans)
talk to legcy mainframe databses?
 I have read the article on J2EE connector architecture which explains the
latest development of EJBs talking to Legacy mainframe and ERP databases
with the help of Resource Adaptors.
I am totally confused with how can we interact with mainframes IMS/IDMS
databases with the EJBs using CORBA/IIOP?

Previously I put somewhat type of similar question, I hope anyone can tell
me more clearly.

One more thing is,
Can I get a list of tools/Applications which presently provide the interface
between the EJBs and mainframe databases? and how do they support it?

Thanx in advance,
Murthy A Suryanarayana
GE Financial Assurance
mailto  : [EMAIL PROTECTED]



-----Original Message-----
From: Dave Wolf [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, August 23, 2000 4:16 AM
To: [EMAIL PROTECTED]
Subject: Re: What to play with EJB which server?


They subclass the CMP bean with a BMP bean implementation and build a new
jar for deployment that has the subclassed bean and a changed DD.  See the
EJB2 spec for a description of this approach.

Dave Wolf
Internet Applications Division
Sybase


> -----Original Message-----
> From: A mailing list for Enterprise JavaBeans development
> [mailto:[EMAIL PROTECTED]]On Behalf Of Siberski, Wolf
> Sent: Wednesday, August 23, 2000 3:35 AM
> To: [EMAIL PROTECTED]
> Subject: Re: What to play with EJB which server?
>
>
> How does CocoBase support CMP without hooking
> into the server? Or is it a BMP approach?
>
> Wolf
>
>
> Evan Ireland wrote:
> >
> > Jim Archer wrote:
> > >
> > > How do tools like TopLink and Cocobase intergrate with an
> > EJB server, and
> > > what services, specifficially, do they provide? I realize
> > they provide the
> > > ability to do complex EB relationships, but I don't understand how.
> >
> > They integrate in very different ways. CocoBase is non-intrusive with
> > regard to the server, whereas TopLink (for entity beans) requires
> > various hooks to be provided by the server.
> >
>
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>

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