org.mifos.application.master.persistence.Upgrade1286195484.java Source code

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Here is the source code for org.mifos.application.master.persistence.Upgrade1286195484.java

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/*
 *  Copyright 2010 Grameen Foundation USA
 *  All rights reserved.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */

package org.mifos.application.master.persistence;

import java.io.IOException;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.hibernate.CacheMode;
import org.hibernate.Query;
import org.hibernate.ScrollMode;
import org.hibernate.ScrollableResults;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.mifos.customers.business.CustomerAddressDetailEntity;
import org.mifos.framework.hibernate.helper.StaticHibernateUtil;
import org.mifos.framework.persistence.SqlUpgrade;
import org.mifos.framework.persistence.Upgrade;
import org.mifos.framework.util.SqlUpgradeScriptFinder;

/**
 * Loads all customer_address_detail records and forces Hibernate to do update
 * to compute phoneNumberStripped column value.
 */
public class Upgrade1286195484 extends Upgrade {

    /**
     * Add new column "phone_number_stripped" only if the column doesn't exist yet.
     */
    public static void conditionalAlter(Connection connection) throws SQLException, IOException {
        ResultSet rs = connection.createStatement()
                .executeQuery("SELECT * FROM information_schema.COLUMNS WHERE TABLE_SCHEMA=DATABASE()"
                        + " AND COLUMN_NAME='phone_number_stripped' AND TABLE_NAME='customer_address_detail'");
        try {
            if (!rs.first()) {
                SqlUpgrade upgrade = SqlUpgradeScriptFinder.findUpgradeScript("upgrade1286195484.sql");
                upgrade.runScript(connection);
            }
        } finally {
            rs.close();
        }
    }

    public static int COMMIT_EVERY = 100;
    public static int FLUSH_EVERY = 1000;
    public static int PRINT_EVERY = 10000;

    @Override
    public void upgrade(Connection connection) throws IOException, SQLException {
        conditionalAlter(connection);

        Session session = StaticHibernateUtil.getSessionTL();
        ScrollableResults results = session.createQuery("from CustomerAddressDetailEntity")
                .setCacheMode(CacheMode.IGNORE).scroll(ScrollMode.FORWARD_ONLY);
        Query update = session.createQuery(
                "update CustomerAddressDetailEntity set address.phoneNumberStripped = :phoneNumberStripped where "
                        + "customerAddressId = :id");
        Transaction t = session.beginTransaction();
        int modifyCount = 0;
        int resultCount = 0;
        while (results.next()) {
            ++resultCount;
            CustomerAddressDetailEntity address = (CustomerAddressDetailEntity) results.get(0);
            if (address.getAddress().getPhoneNumber() != null && !address.getAddress().getPhoneNumber().isEmpty()) {
                update.setString("phoneNumberStripped", address.getAddress().getPhoneNumberStripped());
                update.setInteger("id", address.getCustomerAddressId());
                update.executeUpdate();
                ++modifyCount;
                if (modifyCount % COMMIT_EVERY == 0) {
                    t.commit();
                    t = session.beginTransaction();
                }
            }
            if (resultCount % FLUSH_EVERY == 0) {
                session.flush();
                session.clear();
            }
            if (resultCount % PRINT_EVERY == 0) {
                System.out.print(".");
                System.out.flush();
            }
        }
        session.flush();
        t.commit();
    }

}