EDIT

package eu.etaxonomy.cdm.api.service;

import java.util.Comparator;

import eu.etaxonomy.cdm.model.taxon.TaxonNaturalComparator;

import eu.etaxonomy.cdm.model.taxon.TaxonNode;

import eu.etaxonomy.cdm.model.taxon.TaxonNodeByNameComparator;

import eu.etaxonomy.cdm.model.taxon.TaxonNodeByRankAndNameComparator;

public enum TaxonNodeSortMode {

	NaturalOrder(TaxonNaturalComparator.class),

	/**

     * sorts by TaxonName titleCaches and rank associated with the taxonNodes

     */

	RankAndAlphabeticalOrder(TaxonNodeByRankAndNameComparator.class),

	/**

	 * sorts by TaxonName titleCaches associated with the taxonNodes

	 */

	AlphabeticalOrder(TaxonNodeByNameComparator.class);

	private Class<? extends Comparator<TaxonNode>> type;

    TaxonNodeSortMode(Class<? extends Comparator<TaxonNode>> type){

	    this.type = type;

	}

    /**

     * @return

     */

    public Comparator<TaxonNode> newComparator() {

        try {

            return type.newInstance();

        } catch (InstantiationException e) {

            throw new RuntimeException(e);

        } catch (IllegalAccessException e) {

            throw new RuntimeException(e);

        }

    }

}