Java tutorial
package cc.notsoclever.examples; /** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.jdbc.core.JdbcTemplate; import javax.sql.DataSource; public class DatabaseBean { private static final Logger LOG = LoggerFactory.getLogger(DatabaseBean.class); private DataSource dataSource; public DataSource getDataSource() { return dataSource; } public void setDataSource(DataSource dataSource) { this.dataSource = dataSource; } public void create() throws Exception { JdbcTemplate jdbc = new JdbcTemplate(dataSource); String sql = "create table company (\n" + " ID INTEGER NOT NULL GENERATED ALWAYS AS IDENTITY (START WITH 1, INCREMENT BY 1),\n" + " name varchar(30),\n" + " symbol varchar(10)\n" + ")"; LOG.info("Creating table company ..."); try { jdbc.execute("drop table company"); } catch (Throwable e) { // ignore } jdbc.execute(sql); LOG.info("... created table company"); } public void destroy() throws Exception { JdbcTemplate jdbc = new JdbcTemplate(dataSource); try { jdbc.execute("drop table company"); } catch (Throwable e) { // ignore } } }