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/**
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* Copyright (C) 2015 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.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.index.DocValuesType;
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/**
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* @author a.kohlbecker
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\* @since Nov 27, 2015
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*
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*/
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public class LuceneDocumentUtility {
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public static final Logger logger = Logger.getLogger(LuceneDocumentUtility.class);
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/**
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* @param field
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* @param document
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*/
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public static void setOrReplaceDocValueField(Field field, Document document) {
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if(field.fieldType().docValuesType().equals(DocValuesType.NONE)) {
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throw new IllegalArgumentException("Supplied field is not a DocValuesField");
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}
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if(document.getField(field.name()) != null) {
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// need to manage update by first removing the field
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if(logger.isTraceEnabled()) {
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logger.trace("update DocValueField " + field.name() + " in " + document.get("_hibernate_class") + " " + document.get("uuid"));
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}
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document.removeField(field.name());
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}
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document.add(field);
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}
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}
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