EDIT

import eu.etaxonomy.cdm.api.service.name.TypeDesignationStatusComparator;

        return new Comparator<TypeDesignationBase>(){

            //TODO: this is only a workaround to avoid a cdmlib hotfix this needs to be reverted for next release!!

            private TypeDesignationStatusComparator statusComparator = new TypeDesignationStatusComparator();

            @SuppressWarnings("unchecked")

            @Override

            public int compare(TypeDesignationBase o1, TypeDesignationBase o2) {

                if (o1 == null && o2 == null){

                    return 0;

                }

                if(o1==null){

                    return 1;

                }

                if(o2==null){

                    return -1;

                }

                int result = 0;

                if(o1.getTypeStatus()==null ){

                    if (o2.getTypeStatus() != null){

                        return 1;

                    }

                }

                if (o2.getTypeStatus() == null){

                    return -1;

                }

                if(result == 0 && (o1.getTypeStatus() == null || o2.getTypeStatus() == null)){

                    return o1.getUuid().compareTo(o2.getUuid());

                }

                return statusComparator.compare(o1.getTypeStatus(), o2.getTypeStatus()) ;

            }

        };