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/**
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* Copyright (C) 2013 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.hibernate.search;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.log4j.Logger;
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import org.apache.lucene.document.Document;
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import org.apache.lucene.document.Field;
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import org.apache.lucene.document.SortedDocValuesField;
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import org.apache.lucene.util.BytesRef;
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import org.hibernate.search.bridge.LuceneOptions;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.name.INonViralName;
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import eu.etaxonomy.cdm.model.name.TaxonName;
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import eu.etaxonomy.cdm.model.taxon.TaxonBase;
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/**
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* Creates a special sort column to allow nomenclatural ordering of taxa and names.
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* This class bridge can handle all {@link TaxonBase} and {@link INonViralName}s
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* instances. {@link ViralNames} are not supported!
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* <p>
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* Ignores the <code>name</code> parameter!
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* <p>
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* The order follows the hql equivalent:
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* <pre>order by
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* t.name.genusOrUninomial,
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* case when t.name.specificEpithet like '\"%\"'
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* then 1
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* else 0
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* end,
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* t.name.specificEpithet,
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* t.name.rank desc,
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* t.name.nameCache";
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* <pre>
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*
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* @author a.kohlbecker
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* @since Oct 9, 2013
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*/
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public class NomenclaturalSortOrderBrigde extends AbstractClassBridge {
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private static final char PAD_CHAR = '0';
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public static final Logger logger = Logger.getLogger(NomenclaturalSortOrderBrigde.class);
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final static int MAX_FIELD_LENGTH = 50; // used to pab the strings, should be 255 set to 50 for debugging FIXME
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public final static String NAME_SORT_FIELD_NAME = "nomenclaturalOrder__sort";
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@Override
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public void set(String name, Object value, Document document, LuceneOptions luceneOptions) {
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INonViralName nvn = null;
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if(value instanceof TaxonBase) {
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try {
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nvn = CdmBase.deproxy((TaxonBase) value).getName();
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if (nvn == null){
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return;
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}
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} catch (ClassCastException e) {
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logger.info(e);
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/* IGNORE */
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}
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}else if(value instanceof TaxonName){
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nvn = (INonViralName)value;
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}
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if(nvn == null) {
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logger.error("Unsupported type: " + value.getClass().getName());
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return;
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}
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// compile sort field
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StringBuilder txt = new StringBuilder();
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if(nvn.isProtectedNameCache()){
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txt.append(nvn.getNameCache());
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} else {
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if(StringUtils.isNotBlank(nvn.getGenusOrUninomial())){
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txt.append(StringUtils.rightPad(nvn.getGenusOrUninomial(), MAX_FIELD_LENGTH, PAD_CHAR));
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}
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if(StringUtils.isNotBlank(nvn.getSpecificEpithet())){
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String matchQuotes = "\".*\"";
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if(nvn.getSpecificEpithet().matches(matchQuotes)){
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txt.append("1");
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} else {
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txt.append("0");
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}
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txt.append(StringUtils.rightPad(nvn.getSpecificEpithet(), MAX_FIELD_LENGTH, PAD_CHAR));
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} else {
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txt.append(StringUtils.rightPad("", MAX_FIELD_LENGTH, PAD_CHAR));
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}
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String rankStr = "99"; // default for no rank
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if(nvn.getRank() != null){
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rankStr = Integer.toString(nvn.getRank().getOrderIndex());
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}
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txt.append(StringUtils.rightPad(rankStr, 2, PAD_CHAR));
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}
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Field nameSortField = new SortedDocValuesField(NAME_SORT_FIELD_NAME, new BytesRef(txt.toString()));
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LuceneDocumentUtility.setOrReplaceDocValueField(nameSortField, document);
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}
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}
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