Another approach (that I haven't tried, but should work) is to write a custom operator "contains_all" which checks that all members of one Collection are in another. It should be fairly simple to write, as it would use use java.util.Collection.containsAll(Collection) internally.
--- On Fri, 2/19/10, Ansgar Konermann <ansgar.konerm...@googlemail.com> wrote: > From: Ansgar Konermann <ansgar.konerm...@googlemail.com> > Subject: Re: [rules-users] Can I do a Collection contains Collection? > To: "Rules Users List" <rules-users@lists.jboss.org> > Date: Friday, February 19, 2010, 10:01 AM > Hi, > > untested guess (replace ZipCode by actual type name of your > ZIP code data): > > rule "example" > when > $validZipCodes: Set() from > RefData.getValidZipCodes() > Example( $actualZips: zips ) > exists( ZipCode( this not memberof > $validZipCodes ) from $actualZips ) > then > error() > end > > Am 19.02.2010 16:38, schrieb EdenAEL20: > > I have an object coming in which contains a collection > of id's. I want to > > verify these id's are in another collection. I'm > looking for something like > > collection is a subset of another collection. any > ideas?? > > > > zips below is a collection, i want to verify that each > zip is in $e1. > > > > rule "example" > > when > > e1: Set() > from RefData.getConstantValues() > > e2: > Example( zips not in $e1) > > then > > error() > > > > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > _______________________________________________ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
