This is correct syntax, although the parens are redundant in this particular situation.
Technically, this is called a "multi-restriction". Expand it by inserting the field (answer.ID) in front of each relational operator. It's inherited from COBOL :-) -W On 25 March 2011 16:59, ljnelson <ljnel...@gmail.com> wrote: > In case anyone is following along (silent list!), I finally ran the > debugger > on JBRULES-2932 and found a suspicious bit of syntax that was accepted by > Drools 5.1.1 but which causes Drools 5.2.0-SNAPSHOT to barf. > > > https://issues.jboss.org/browse/JBRULES-2932?focusedCommentId=12591856#comment-12591856 > > At issue is the following construction: > > answer.ID ( > 1 && < 4 ) || == 5 > > That parenthetical followed by an or-equals looks suspicious to me (dialect > mvel). Although Drools 5.1.1 eats it just fine, should it? I want to tell > my users to write the proper rule syntax; this doesn't look right to me. > On > the other hand, if it is proper syntax, I'd rather not change it, as there > are hundreds of rules that use it. :-( > > Best, > Laird > > -- > View this message in context: > http://drools-java-rules-engine.46999.n3.nabble.com/JBRULES-2932-suspicious-syntax-might-be-the-cause-tp2730984p2730984.html > Sent from the Drools - Dev mailing list archive at Nabble.com. > _______________________________________________ > rules-dev mailing list > rules-dev@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-dev >
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