@Override
    public String toString() {
        return "NamedComparator{" +
                "name='" + name + '\'' +
                ", comparator=" + comparator +
                '}';
    }
A comparator that you can name.  This is useful for debugging/logging if you are dealing with
lots of different comparators.
stroom-util-shared/src/main/java/stroom/util/shared/NamedComparator.java