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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_40;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.List;
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import java.util.UUID;
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import org.apache.logging.log4j.LogManager;import org.apache.logging.log4j.Logger;
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import eu.etaxonomy.cdm.common.monitor.IProgressMonitor;
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import eu.etaxonomy.cdm.database.ICdmDataSource;
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import eu.etaxonomy.cdm.database.update.CaseType;
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import eu.etaxonomy.cdm.database.update.ISchemaUpdaterStep;
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import eu.etaxonomy.cdm.database.update.SchemaUpdateResult;
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import eu.etaxonomy.cdm.database.update.SchemaUpdaterStepBase;
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/**
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* Creates empty root nodes for each classification. Replacing MN tables for classification root nodes.
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* For single use in {@link SchemaUpdater_33_331}
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* @author a.mueller
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* @since 15.12.2013
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*/
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public class ClassificationRootNodeUpdater extends SchemaUpdaterStepBase {
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private static final Logger logger = LogManager.getLogger(ClassificationRootNodeUpdater.class);
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private static final String stepName = "Update Classification Root Nodes";
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// **************************** STATIC METHODS ********************************/
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public static final ClassificationRootNodeUpdater NewInstance(List<ISchemaUpdaterStep> stepList){
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return new ClassificationRootNodeUpdater(stepList, stepName);
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}
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protected ClassificationRootNodeUpdater(List<ISchemaUpdaterStep> stepList, String stepName) {
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super(stepList, stepName);
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}
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@Override
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public void invoke(ICdmDataSource datasource, IProgressMonitor monitor, CaseType caseType,
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SchemaUpdateResult result) throws SQLException {
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try {
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// for each classification
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String sql = " SELECT id FROM " + caseType.transformTo("Classification") + " ORDER BY id ";
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ResultSet rs = datasource.executeQuery(sql);
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while (rs.next()){
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Number classificationId = rs.getInt("id");
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//getMaxId in TaxonNode
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sql = " SELECT max(id) FROM " + caseType.transformTo("TaxonNode");
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Number maxId = ((Number)datasource.getSingleValue(sql));
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maxId = maxId == null ? 1 : ((Integer)maxId + 1);
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//count children
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sql = " SELECT count(*) as n " +
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" FROM @@Classification_TaxonNode@@ MN " +
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" WHERE MN.Classification_id = " + classificationId;
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Number countChildren = (Number)datasource.getSingleValue(caseType.replaceTableNames(sql));
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//create root node
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sql = " INSERT INTO @@TaxonNode@@ (id, created, createdby_id , uuid, countchildren, classification_id, parent_id, taxon_id, treeIndex, sortIndex ) "+
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" VALUES (%d, '%s', null, '%s', %d, %d, NULL, NULL, '#c%d#%d', NULL) ";
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sql = String.format(sql,
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maxId, this.getNowString(), UUID.randomUUID(), countChildren, classificationId, classificationId, maxId);
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datasource.executeUpdate(caseType.replaceTableNames(sql));
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//create fks to new root node
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sql = " UPDATE @@Classification@@ " +
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" SET rootnode_id = " + maxId +
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" WHERE id = " + classificationId;
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datasource.executeUpdate(caseType.replaceTableNames(sql));
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// //update current root nodes (parent)
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// sql = " UPDATE @@TaxonNode@@ " +
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// " SET parent_id = " + maxId +
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// " WHERE c.id = " + classificationId + " AND parent_id IS NULL";
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// datasource.executeUpdate(caseType.replaceTableNames(sql));
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//update sort index and parent_id
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sql = " UPDATE @@TaxonNode@@ " +
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" SET sortIndex = (SELECT sortIndex FROM @@Classification_TaxonNode@@ MN WHERE MN.rootnodes_id = TaxonNode.id AND MN.Classification_id = @@TaxonNode@@.classification_id)," +
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" parent_id = " + maxId +
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" WHERE EXISTS (SELECT * FROM @@Classification_TaxonNode@@ MN2 WHERE MN2.Classification_id = %d AND MN2.rootnodes_id = @@TaxonNode@@.id )";
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sql = String.format(sql, classificationId);
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datasource.executeUpdate(caseType.replaceTableNames(sql));
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}
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//run treeindex creator
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// remove old MN table
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//done in Schema updater
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return;
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} catch (Exception e) {
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String message = e.getMessage();
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monitor.warning(message, e);
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logger.warn(message);
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result.addException(e, message, this, "invoke");
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return;
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}
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}
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}
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