//predicates.add(equal("docTypeName", routeHeader.getDocumentType().getName()));
        // Check all document types in ancestry
        DocumentType dt = routeHeader.getDocumentType();
        List<Predicate> documentTypeAncestry = new ArrayList<Predicate>();
        while (dt != null) {
            documentTypeAncestry.add(equal("docTypeName", dt.getName()));
            dt = dt.getParentDocType();
        }
        predicates.add(and(or(documentTypeAncestry.toArray(new Predicate[documentTypeAncestry.size()]))));