Re: Trouble writing a Factory

[Bowie Owens <bowie owens csiro au>]

Nick Glencross wrote:

> Hi Folks,
>
> I've been trying to implement a factory Object in orbitcpp (like the
> factory one in http://jmvanel.free.fr/corba/orbit-docs/examples/factory/
> for C ORBit). This is obviously basic stuff, but I can't find the exact
> code that I put in the Factory method implementation to return the
> object that it creates.
>
> There was a discussion about writing this example mentioned here:
> http://sourceforge.net/mailarchive/message.php?msg_id=522349
>
> The factory itself was created like this:
>
>          Block_ns::BlockFactory_impl servant;
>          CORBA::Object_var object = servant._this();
>
> Doing something similar to this doesn't however match the prototype of
> the method that the IDL compiler has created for me though. Also the
> constructor for the exact type to be returned is protected, so that
> isn't right either.
>
> Any code snippets would be greatly appreciated,
>  
I've just added a test client and server that implements a really basic 
factory. It can be found under test/cpp/factory. It should be enough to 
get you started. You will have to check out the CVS version of orbitcpp 
to get at the example. Instructions on how to get the CVS version on the 
orbitcpp webpage.

http://orbitcpp.sourceforge.net/

The anonymous servers sometimes take time to sync. You'll need the 
version with a ChangeLog entry that reads as follows.

2004-12-08 Bowie Owens <bowie owens csiro au>
       * configure.in
       * test/cpp/Makfile.am
       * test/cpp/factory/Makefile.am
       * test/cpp/factory/client.cc
       * test/cpp/factory/factory-impl.cc
       * test/cpp/factory/factory-impl.h
       * test/cpp/factory/server.cc
       * test/cpp/factory/generated/Makefile.am:
       Quickly hacked together example of factory.

Please let me know if anything fails to work.

--
Bowie Owens

CSIRO Mathematical & Information Sciences
phone  : +61 3 9545 8055
fax    : +61 3 9545 8080
mobile : 0425 729 875
email  : Bowie Owens csiro au