How to write coalesce function in JBoss BRMS 6 DRL files?

Solution Verified - Updated -


  • How to write COALESCE function in drools drl file?
  • We have a scenario where we might send two or more number of attributes to a function in a drools DRL file and it should return first non-null value back;


  • Red Hat JBoss BRMS (BRMS) 6

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