Re: Re: [dev-groupware] Java OpenGroupware API - EarlyAccess Release

On Montag, Sep 1, 2003, at 02:32 Europe/Berlin, murphee (Werner 
Schuster) wrote:
>>> eg. some "name" field (or whatever) is queried with eg. "getName()",
>>> this would result in a call that fetches only the name;
>> Which would be highly inefficient as it would result in 
>> "attribute-count x records" queries.  You basically need to allow the 
>> user to fetch
>> "fragments".
>
> Hmmmm... OK, I guess you mean, if the user wants to have, eg. 
> FirstName, LastName and EmailAdress of a Person, that should be 
> queried in one go (as a fragment of the whole document) instead of 
> either loading the whole Person OR fetching each datum individually 
> (resulting in 3 XmlRpc
> function calls);

Of course.

> OK... I see what you mean... hmmmmm... I guess we should give some
> thought to opening our XmlRpc Subsystem to the Programmer a little more
> instead of completely hiding it; allowing the Programmer to set the
> attributes of a fetch() call would be an idea; I suppose, we here, at 
> the JOGI HQ, will need to get our thinking caps out again...

Well, actually you cannot catch all that in a neat API way.

Eg if you have a view which shows the persons and the project names of 
each person like

   | Account	| Projects				|
  --------------------------------------------------------
   | murphee	| JOGI, XMLRPC		|
   | helge		| XMLRPC, ZideStore	|

You would want to catch exactly that data from the server - ergo you 
need some special server method for that.

>> Anyway. My whole point is that there is no "one-API-that-fits-all". 
>> JOGI is excellent if you need what it does. It might be wrong if you 
>> have specific needs.
>
> Yup, I see; it's basically like knowing when to use DOM and
> when to use SAX when dealing with XML;

Exactly. Go with specialized, low level XML-RPC for high-volume, 
tableview like views and expand to full object eg when opening an 
editor or view.

regards,
   Helge
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