Re: [OpenMap Users] Corba support package

From: Don Dietrick <>
Date: Sun, 21 Aug 2005 10:04:16 -0400

Hi Mariusz,

On Aug 20, 2005, at 4:16 PM, Mariusz Chmielewski wrote:

> Hi everybody,
> I am trying to get in touch with anyone who used this packege. If
> someone has overloaded the mechanisms provieded in the example with
> full
> understaning I would be greatful for the hints. My biggest problem is
> the lack of the rest of sources for this packege (the full packege in
> jar is provided but in sources i cannot find anything).

All of the source code is there, it's just that some of it needs to
be generated. If you build the package with ant, the idl files will
be compiled to create the source fiies that are missing.

But those source files really won't help you with what you want to
do, they are the sources for how the CORBA mechanism handles the
objects between the server and client.

> I am trying to design the similar RMI based mechanism for wrorking
> with the CADRG map
> and i am not sure if i shout base the mechanism on SimpleHttpServer or
> provide the whole RMI mechanism as in CORBA example. I would like to
> state that the client softwer will be an applet and the server side
> will
> be chosen based on the best end effective method of providing the RPF
> map. On the client side i would like to have other layer such as
> graphics so i need the server side and the whole mechanism to provide
> the map data only.

Since you want to cache RPF data files on the applet, you should
definitely use the RMI mechanism. All you need is a modified
CRPFClient and CRPFServer that use the RMI mechanism instead of the
CORBA mechanism. The CRPFClient is the object that implements the
RpfFrameProvider interface, you just have to design your RMI
mechanism to support those methods. Then, you modify the
CorbaRpfLayer to use your client RpfFrameProvider instead of the

BTW, everyone that receives mail also receives mail, so you don't have to send mail to both

- Don

Don Dietrick,
BBN Technologies, Cambridge, MA

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Received on Sun Aug 21 2005 - 10:06:22 EDT

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