gistfile1.java

    if (!groups.isEmpty()) {
                // lets see if we can filter based on groups
                List<String> groupNames = reservation.getGroupNames();
                if (Collections.disjoint(groups, groupNames)) {
                    logger.trace("filtering out reservation {} based on groups {}, not part of {}", reservation.getReservationId(), groupNames, groups);
                    // continue to the next reservation
                    continue;
                }
            }