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/**
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* Copyright (C) 2021 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.persistence.dto;
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import java.io.Serializable;
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import java.util.Comparator;
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/**
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* @author k.luther
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* @since 30.11.2021
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*/
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public class FeatureStateDtoComparator implements Serializable, Comparator<FeatureStateDto> {
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private static final long serialVersionUID = -4808908193485190520L;
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@Override
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public int compare(FeatureStateDto o1, FeatureStateDto o2) {
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if(o1==null){
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return -1;
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}
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if(o2==null){
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return 1;
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}
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if (o1.getUuid() == null && o2.getUuid() != null){
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return -1;
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}
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if (o2.getUuid() == null && o1.getUuid() != null){
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return 1;
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}
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if (o1.getUuid() != null && o2.getUuid() != null){
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return o1.getFeature().getTitleCache().compareTo(o2.getTitleCache());
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} else {
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return o1.getFeature().getUuid().compareTo(o2.getFeature().getUuid());
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}
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}
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}
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