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// $Id$
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/**
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* Copyright (C) 2009 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.database.update.v30_31;
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import java.sql.SQLException;
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import org.apache.log4j.Logger;
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import eu.etaxonomy.cdm.common.IProgressMonitor;
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import eu.etaxonomy.cdm.database.ICdmDataSource;
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import eu.etaxonomy.cdm.database.update.ITermUpdaterStep;
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import eu.etaxonomy.cdm.database.update.SchemaUpdaterStepBase;
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/**
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* @author a.mueller
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* @date 15.12.2010
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*/
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public class LanguageLabelUpdater extends SchemaUpdaterStepBase implements ITermUpdaterStep{
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@SuppressWarnings("unused")
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private static final Logger logger = Logger.getLogger(LanguageLabelUpdater.class);
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private static final String stepName = "Update language labels by full language name";
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// **************************** STATIC METHODS ********************************/
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public static final LanguageLabelUpdater NewInstance(){
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return new LanguageLabelUpdater(stepName);
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}
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protected LanguageLabelUpdater(String stepName) {
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super(stepName);
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}
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@Override
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public Integer invoke(ICdmDataSource datasource, IProgressMonitor monitor) throws SQLException {
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//update representation label
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String sql;
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sql = " UPDATE Representation " +
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" SET label = text " +
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" WHERE id IN ( SELECT MN.representations_id " +
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" FROM DefinedTermBase lang " +
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" INNER JOIN DefinedTermBase_Representation MN ON lang.id = MN.DefinedTermBase_id " +
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" WHERE lang.DTYPE = 'Language' " +
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" )";
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datasource.executeUpdate(sql);
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//update term titleCache
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sql = " UPDATE DefinedTermBase dtb " +
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" SET titleCache = " +
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" ( " +
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" SELECT rep.label " +
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" FROM DefinedTermBase_Representation MN " +
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" INNER JOIN Representation rep ON MN.representations_id = rep.id " +
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" WHERE dtb.id = MN.DefinedTermBase_id AND rep.language_id = @langId) " +
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" WHERE dtb.DTYPE = 'Language'";
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String englishId = String.valueOf(getEnglishLanguageId(datasource, monitor));
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if (englishId == null){
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throw new NullPointerException("English id could not be found");
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}
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sql = sql.replace("@langId", englishId);
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datasource.executeUpdate(sql);
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return 0;
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}
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}
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