[rules-users] Adding a custom operator to drools?
Michael Zimmermann
list at incunabulum.de
Thu Sep 11 14:02:06 EDT 2008
Hi there,
you might see this as a follow up to a discussion named "Query by
Example" a couple of days ago, see here:
http://lists.jboss.org/pipermail/rules-users/2008-September/006520.html
Question to the devs:
Having looked through the code, adding support for a custom operator
requires
- changing the DRL.g
- regenerating the DRLLexer and DRLParser classes from this grammar
- changing the XyzEvaluator and related classes in
org.drools.base.evaluators.
If I skip MVEL, the BRMS and other places like decision tables for now,
is this all to expand the DRL syntax? Or are any further steps required
to connect the grammar with the "java logic"?
Thanks!
Michael
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