UpgradeJournalArticleImage.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.journal.internal.upgrade.v1_0_0;

import com.liferay.portal.kernel.dao.jdbc.AutoBatchPreparedStatementUtil;
import com.liferay.portal.kernel.upgrade.UpgradeProcess;
import com.liferay.portal.kernel.util.LoggingTimer;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.StringUtil;

import java.sql.PreparedStatement;
import java.sql.ResultSet;

/**
 * @author Inácio Nery
 */
public class UpgradeJournalArticleImage extends UpgradeProcess {

	@Override
	protected void doUpgrade() throws Exception {
		updateJournalArticleImagesInstanceId();

		updateJournalArticleImagesName();
	}

	protected void updateJournalArticleImagesInstanceId() throws Exception {
		try (LoggingTimer loggingTimer = new LoggingTimer();
			PreparedStatement ps1 = connection.prepareStatement(
				"select articleImageId from JournalArticleImage where " +
					"(elInstanceId = '' or elInstanceId is null)");
			ResultSet rs = ps1.executeQuery()) {

			try (PreparedStatement ps2 =
					AutoBatchPreparedStatementUtil.autoBatch(
						connection.prepareStatement(
							"update JournalArticleImage set elInstanceId = ? " +
								"where articleImageId = ?"))) {

				while (rs.next()) {
					String articleImageId = rs.getString(1);

					ps2.setString(1, StringUtil.randomString(4));
					ps2.setString(2, articleImageId);

					ps2.addBatch();
				}

				ps2.executeBatch();
			}
		}
	}

	protected void updateJournalArticleImagesName() throws Exception {
		try (LoggingTimer loggingTimer = new LoggingTimer();
			PreparedStatement ps1 = connection.prepareStatement(
				"select articleImageId, elName from JournalArticleImage");
			ResultSet rs = ps1.executeQuery()) {

			try (PreparedStatement ps2 =
					AutoBatchPreparedStatementUtil.autoBatch(
						connection.prepareStatement(
							"update JournalArticleImage set elName = ? where " +
								"articleImageId = ?"))) {

				while (rs.next()) {
					long articleImageId = rs.getLong(1);
					String elName = rs.getString(2);

					int lastIndexOf = elName.lastIndexOf(StringPool.UNDERLINE);

					if (lastIndexOf > 0) {
						elName = elName.substring(0, lastIndexOf);
					}

					ps2.setString(1, elName);
					ps2.setLong(2, articleImageId);

					ps2.addBatch();
				}

				ps2.executeBatch();
			}
		}
	}

}