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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 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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* Base class for updating a schema.
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*
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* @author a.mueller
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* @date 10.09.2010
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*
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*/
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public abstract class SchemaUpdaterBase extends UpdaterBase<ISchemaUpdaterStep, ISchemaUpdater> implements ISchemaUpdater {
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@SuppressWarnings("unused")
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private static final Logger logger = Logger.getLogger(SchemaUpdaterBase.class);
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public static boolean INCLUDE_AUDIT = true;
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protected static boolean INCLUDE_CDM_BASE = true;
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protected static boolean NOT_NULL = true;
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// private List<ISchemaUpdaterStep> list;
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protected abstract List<ISchemaUpdaterStep> getUpdaterList();
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protected SchemaUpdaterBase(String startSchemaVersion, String endSchemaVersion){
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this.startVersion = startSchemaVersion;
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this.targetVersion = endSchemaVersion;
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list = getUpdaterList();
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}
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@Override
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protected boolean updateVersion(ICdmDataSource datasource, IProgressMonitor monitor, CaseType caseType) throws SQLException {
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int intSchemaVersion = 0;
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String sqlUpdateSchemaVersion = "UPDATE %s SET value = '" + this.targetVersion + "' WHERE propertyname = " + intSchemaVersion;
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sqlUpdateSchemaVersion = String.format(sqlUpdateSchemaVersion, caseType.transformTo("CdmMetaData"), this.targetVersion);
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try {
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int n = datasource.executeUpdate(sqlUpdateSchemaVersion);
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return n > 0;
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} catch (Exception e) {
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monitor.warning("Error when trying to set new schemaversion: ", e);
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throw new SQLException(e);
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}
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}
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@Override
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protected String getCurrentVersion(ICdmDataSource datasource, IProgressMonitor monitor, CaseType caseType) throws SQLException {
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int intSchemaVersion = 0;
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String sqlSchemaVersion = caseType.replaceTableNames( "SELECT value FROM @@CdmMetaData@@ WHERE propertyname = " + intSchemaVersion);
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try {
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String value = (String)datasource.getSingleValue(sqlSchemaVersion);
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return value;
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} catch (SQLException e) {
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monitor.warning("Error when trying to receive schemaversion: ", e);
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throw e;
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}
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}
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}
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