Hello,
I have two entities, User and Notice, each of which has a to-many relationship
to Role called roles. The business rule here works as follows. Say Notice.roles
contains two Roles, R1 and R2. If User.roles contains either R1 or R2, then the
Notice is applicable to that User—that is, Notice.roles says that for each
Role, the Notice applies to any User that has that Role.
I have a static method on Notice to return an NSArray<Notice> applicable to
some supplied User. (There are other matching criteria, but this is the part I
want to try and simplify.) At the moment, I’m doing this:
NSMutableArray<EOQualifier> roleQuals = new
NSMutableArray<EOQualifier>();
for (Role r : user.roles()) {
roleQuals.add(Notice.ROLES.containsObject(r));
}
EOQualifier roleQual = ERXQ.or(roleQuals);
While this works, it seems awkward. Is there a way to create this qualifier
(which is essentially looking for any match between User.roles and
Notice.roles) in one step?
--
Paul Hoadley
http://logicsquad.net/
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