shren at io.com
Mon May 13 06:13:58 New Zealand Standard Time 2002
On Wed, 8 May 2002, John Buehler wrote:
> Sean Kelly writes:
>> From: "Ben Chambers" <bjchamb at bellsouth.net>
>>> I was thinking that instead of having code snippet archives it
>>> would be cool if there was some source of expandable Java
>>> classes. You know, if you want this new feature, simply
>>> download this .class file and load it into the server using the
>>> graphical front end. Then simply reboot the server (this might
>>> not be necessary) and without recompiling or anything you have
>>> updated your server.
>> No need for a recompile or even a restart if you design it
>> correctly. This is the reason for interfaces. This is one of
>> the few features I wish C++ had, though you can get fairly close
>> with DLLs.
> Use Microsoft's C# to make classes with COM interfaces and stuff
> 'em into the DLLs that you want for the load granularity that you
> need. A new version of a component implementation is a new
> component, in a distinct DLL and a distinct class identifier,
> permitting simultaneous operation.
You can do all of this with COM or CORBA. C# just makes it easier.
COM and CORBA are both written on top of RPC, which also forces you
to define your interfaces cleanly.
x "The Ancients were pretty clever with counterweights."
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