[jboss-jira] [JBoss JIRA] Commented: (JBRULES-1701) add unique directive for drl
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https://jira.jboss.org/jira/browse/JBRULES-1701?page=com.atlassian.jira.p...
]
Mark Proctor commented on JBRULES-1701:
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I'm not too keen on increasing the parser/build complexity for what is sugar.
eval( unique( A, B,C, D ) )
that seems adequatate to me instead of :
unique( A, B,C, D )
Which we would expand to:
eval( unique( A, B,C, D ) )
Btw you know there is the remove identity equals option that will disallow any match where
a fact is matched more than once? See RuleBaseConfiguration
Mark
add unique directive for drl
----------------------------
Key: JBRULES-1701
URL: https://jira.jboss.org/jira/browse/JBRULES-1701
Project: JBoss Drools
Issue Type: Feature Request
Security Level: Public(Everyone can see)
Components: Drl Parser/Builder
Reporter: zhou yanming
Assignee: Mark Proctor
when
Number(A:value);
Number(B:value);
Number(C:value);
Number(D:value);
unique(A,B,C,D);
equals to
when
Number(A:value);
Number(B:value);
Number(C:value);
Number(D:value);
eval(A!=B and A!=C and A!=D and B!=C and B!=D and C!=D );
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