MongodbSerializer need update for IN/NOT_IN operation for @DBRef

I am using spring boot 1.5.2.RELEASE and querydsl-mongodb 4.1.4. Found this:

@Document
public class User {
    @DBRef
    private Addr addr;
}

and query like this:

List<Addr> addrList = ...;
return userRepo.findAll(Expressions.allOf(
        QUser.user.addr.notIn(addrList)  // ONLY worked when addrList.size() == 1
))

this may refered to MongodbSerializer#visit(Operation<?> expr, Void context) which not invoke convert properbly?

So, could this be fixed ? or give some other alternative way?

PS: current I using this :

// groovy code
    List<BooleanExpression> neAddrs = addrList.findResults { QUser.user.addr.ne(it) }.toList()
    return userRepo.findAll(allOf(
            allOf((BooleanExpression[]) neAddrs.toArray())
    ))

[christophstrobl]

I know none right of the top of my head - we tried a while ago (see: issue branch for DATAMONGO-1810) but it turned out to be insufficient and work only under certain circumstances. If you happen to find a solution a PR would be warmly welcome.

[stale[bot]]

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