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On 28/01/2006, at 1:48 PM, Barbara Morris wrote:
Even more unfortunately, there's no way to ask Java to pass an operational descriptor.
I think this is not really a Java problem. It appears to me that the ServiceProgramCall class is implemented using the QZRUCLSP API.
I wrote a little test program to use this API to invoke RPG service program functions and always received -1 as the result of %PARMS. From this I presume the API is not passing operational descriptors. Interestingly the RPG documentation for %PARMS does not mention that -1 indicates no descriptor was received so this is useful to know.
The API documentation states that it does not support calls to functions that have #pragma argopt specified. #pragma argopt and #pragma descriptor are mutually exclusive so it seems possible that the API could support descriptors. However, because this API is calling the function via a function pointer (returned from QleGetExp) it can't pass operational descriptors because, according to the documentation, they are not generated for function pointer calls. This seems yet another oversight in the incomplete implementation of operational descriptors many of us have been complaining about for years.
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