There is no reason why it can't be done with OCL, and I often hear of people writting OCL drivers. I imagine most developers choose a proprietary language because they feel it empowers the paradigm further, for instance our I believe our language has  less repitition  and more expressability that OCL, which is  made possible due to our specific use case.

Mark

but more simply its not as natural a fir for a ru
Elena Ţibrea wrote:
Hi,

I've been recently reading an article about OCL where the authour states he sees no major dificulties for adopting OCL as notation for specifying the activation condition that triggers the action part of a reactive rule.
 
I wonder than why rule engines use proprietary rule languages and not smth standardized like OCL?
 

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