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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.database.update;
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import java.util.List;
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import org.apache.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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/**
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* Updates a value for a single table column.
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*
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* @author a.mueller
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* @since 18.03.2021
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*/
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public class ColumnValueUpdater
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extends AuditedSchemaUpdaterStepBase {
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private static final Logger logger = Logger.getLogger(ColumnValueUpdater.class);
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private final String columnName;
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private final String newValueStr;
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private final Integer newValueInt;
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private final String where;
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public static ColumnValueUpdater NewIntegerInstance(List<ISchemaUpdaterStep> stepList, String stepName, String tableName,
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String columnName, Integer newValue, String where, boolean includeAudTable){
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return new ColumnValueUpdater(stepList, stepName, tableName, columnName, null, newValue, where, includeAudTable);
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}
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public static ColumnValueUpdater NewStringInstance(List<ISchemaUpdaterStep> stepList, String stepName, String tableName,
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String columnName, String newValue, String where, boolean includeAudTable){
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return new ColumnValueUpdater(stepList, stepName, tableName, columnName, newValue, null, where, includeAudTable);
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}
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// **************************************** Constructor ***************************************/
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protected ColumnValueUpdater(List<ISchemaUpdaterStep> stepList, String stepName, String tableName,
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String columnName, String newValueStr, Integer newValueInt, String where, boolean includeAudTable) {
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super(stepList, stepName, tableName, includeAudTable);
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this.columnName = columnName;
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this.newValueStr = newValueStr;
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this.newValueInt = newValueInt;
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this.where = isBlank(where)? " (1=1) " : where;
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}
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@Override
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protected void invokeOnTable(String tableName, ICdmDataSource datasource,
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IProgressMonitor monitor, CaseType caseType, SchemaUpdateResult result) {
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try {
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String value = (newValueStr == null && newValueInt == null) ?
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" = NULL " : newValueInt != null ? String.valueOf(newValueInt) :
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"'"+newValueStr+"'";
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String updateQuery = "UPDATE %s "
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+ " SET %s = %s "
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+ " WHERE %s ";
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updateQuery = String.format(updateQuery, caseType.transformTo(tableName),
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columnName, value, where);
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datasource.executeUpdate(updateQuery);
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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.error(e);
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result.addException(e, message, getStepName() + ", ColumnNameChanger.invokeOnTable");
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return;
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}
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}
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}
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