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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;
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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.monitor.IProgressMonitor;
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import eu.etaxonomy.cdm.database.ICdmDataSource;
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/**
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* @author a.mueller
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* @date 16.09.2010
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*
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*/
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public class ClassChanger extends AuditedSchemaUpdaterStepBase<ClassChanger> implements ISchemaUpdaterStep {
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private static final Logger logger = Logger.getLogger(ClassChanger.class);
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private final String newClassName;
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private final String[] oldClassNames;
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private final boolean isIdentifiable;
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private final boolean isAnnotatable;
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private final boolean isSourcable;
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public static final ClassChanger NewIdentifiableInstance(String stepName, String tableName, String newClassNamePath, String[] oldClassNames, boolean includeAudTable){
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return new ClassChanger(stepName, tableName, newClassNamePath, oldClassNames, includeAudTable, true, true, true);
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}
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public static final ClassChanger NewAnnotatableInstance(String stepName, String tableName, String newClassNamePath, String[] oldClassNames, boolean includeAudTable){
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return new ClassChanger(stepName, tableName, newClassNamePath, oldClassNames, includeAudTable, true, false, false);
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}
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public static final ClassChanger NewDescriptionElementInstance(String stepName, String tableName, String newClassNamePath, String[] oldClassNames, boolean includeAudTable){
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return new ClassChanger(stepName, tableName, newClassNamePath, oldClassNames, includeAudTable, true, true, false);
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}
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protected ClassChanger(String stepName, String tableName, String newClassName, String[] oldClassNames, boolean includeAudTable, boolean isAnnotatable, boolean isSourcable, boolean isIdentifiable) {
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super(stepName, tableName, includeAudTable);
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this.newClassName = newClassName;
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this.oldClassNames = oldClassNames;
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this.isIdentifiable = isIdentifiable;
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this.isAnnotatable = isAnnotatable;
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this.isSourcable = isSourcable;
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}
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@Override
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protected boolean invokeOnTable(String tableName, ICdmDataSource datasource, IProgressMonitor monitor, CaseType caseType) {
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boolean result = true;
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try {
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if (true){
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String updateQuery = getDtypeUpdateQueryString(tableName, datasource, monitor);
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datasource.executeUpdate(updateQuery);
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}
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if (isAnnotatable){
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updateAnnotatables(tableName, datasource, monitor, caseType);
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}
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if (isSourcable){
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updateSourcable(tableName, datasource, monitor, caseType);
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}
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if (isIdentifiable){
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updateIdentifiables(tableName, datasource, monitor, caseType);
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}
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return result;
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} catch ( Exception e) {
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monitor.warning(e.getMessage(), e);
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logger.error(e);
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return false;
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}
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}
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private void updateSourcable(String tableName, ICdmDataSource datasource, IProgressMonitor monitor, CaseType caseType) throws SQLException {
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updateSingleExtension("OriginalSourceBase", "sourcedObj_type" , datasource, monitor, caseType);
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}
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private void updateIdentifiables(String tableName, ICdmDataSource datasource, IProgressMonitor monitor, CaseType caseType) throws SQLException {
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updateSingleExtension("Extension", "extendedObj_type" , datasource, monitor, caseType);
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}
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private void updateAnnotatables(String tableName, ICdmDataSource datasource, IProgressMonitor monitor, CaseType caseType) throws SQLException {
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updateSingleExtension("Marker", "markedObj_type" , datasource, monitor, caseType);
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updateSingleExtension("Annotation", "annotatedObj_type" , datasource, monitor, caseType);
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}
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private void updateSingleExtension(String extensionClass, String typeAttr, ICdmDataSource datasource, IProgressMonitor monitor, CaseType caseType) throws SQLException{
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String sql = " UPDATE %s " +
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" SET %s = '%s' " +
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" WHERE %s = '%s'";
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for (String oldClassPath : oldClassNames){
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String query = String.format(sql, caseType.transformTo(extensionClass),
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typeAttr, newClassName,
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typeAttr, oldClassPath);
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datasource.executeUpdate(query);
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}
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}
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public String getDtypeUpdateQueryString(String tableName, ICdmDataSource datasource, IProgressMonitor monitor) throws DatabaseTypeNotSupportedException {
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String updateQuery;
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updateQuery = " UPDATE @tableName " +
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" SET DTYPE = '@newTableName' " +
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" WHERE (1=0 @dtypes)";
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updateQuery = updateQuery.replace("@tableName", tableName);
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updateQuery = updateQuery.replace("@newTableName", getSimpleName(newClassName));
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String dtypes = "";
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for (String oldClassName : oldClassNames){
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dtypes += String.format(" OR DTYPE = '%s' ", getSimpleName(oldClassName)) ;
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}
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updateQuery = updateQuery.replace("@dtypes", dtypes);
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return updateQuery;
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}
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private String getSimpleName(String className) {
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String result = className;
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while (result.contains(".")){
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result = result.replaceAll(".*\\.", "");
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}
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return result;
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}
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}
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