Java tutorial
/* * Copyright 2013 Daisuke Miyamoto. * Created on 2015/03/05 * * 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. */ package jp.classmethod.aws.brian.config; import javax.sql.DataSource; import org.apache.commons.dbcp.BasicDataSource; import org.flywaydb.core.Flyway; import org.springframework.beans.factory.annotation.Value; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; /** * {@link DataSource} Spring Java Configuration. * * @since 1.0 * @author daisuke */ @Configuration @SuppressWarnings("javadoc") public class DataSourceConfiguration { @Value("#{systemProperties['JDBC_CONNECTION_STRING']}") String url; @Value("#{systemProperties['DB_USERNAME']}") String username; @Value("#{systemProperties['DB_PASSWORD']}") String password; @Bean public DataSource dataSource() { BasicDataSource basicDataSource = new BasicDataSource(); basicDataSource.setDriverClassName("com.mysql.jdbc.Driver"); basicDataSource.setUrl(url); basicDataSource.setUsername(username); basicDataSource.setPassword(password); basicDataSource.setValidationQuery("SELECT 1"); basicDataSource.setMaxActive(50); basicDataSource.setMaxIdle(10); basicDataSource.setMinIdle(5); return basicDataSource; } @Bean(initMethod = "migrate") public Flyway flyway() { Flyway flyway = new Flyway(); flyway.setDataSource(dataSource()); return flyway; } }