| /* |
| * 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. |
| */ |
| |
| package org.apache.shardingsphere.example.core.jdbc.repository.mysql; |
| |
| import org.apache.shardingsphere.example.core.api.entity.User; |
| import org.apache.shardingsphere.example.core.api.repository.UserRepository; |
| |
| import javax.sql.DataSource; |
| import java.sql.*; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| public final class UserRepositoryImpl implements UserRepository { |
| |
| private final DataSource dataSource; |
| |
| public UserRepositoryImpl(final DataSource dataSource) { |
| this.dataSource = dataSource; |
| } |
| |
| @Override |
| public void createTableIfNotExists() throws SQLException { |
| String sql = "CREATE TABLE IF NOT EXISTS t_user (user_id INT NOT NULL AUTO_INCREMENT, user_name VARCHAR(200), user_name_cipher VARCHAR(200), pwd VARCHAR(200), pwd_cipher VARCHAR(200), pwd_plain VARCHAR(200), PRIMARY KEY (user_id))"; |
| try (Connection connection = dataSource.getConnection(); |
| Statement statement = connection.createStatement()) { |
| statement.executeUpdate(sql); |
| } |
| } |
| |
| @Override |
| public void dropTable() throws SQLException { |
| String sql = "DROP TABLE t_user"; |
| try (Connection connection = dataSource.getConnection(); |
| Statement statement = connection.createStatement()) { |
| statement.executeUpdate(sql); |
| } |
| } |
| |
| @Override |
| public void truncateTable() throws SQLException { |
| String sql = "TRUNCATE TABLE t_user"; |
| try (Connection connection = dataSource.getConnection(); |
| Statement statement = connection.createStatement()) { |
| statement.executeUpdate(sql); |
| } |
| } |
| |
| @Override |
| public Long insert(final User entity) throws SQLException { |
| String sql = "INSERT INTO t_user (user_id, user_name, pwd) VALUES (?, ?, ?)"; |
| try (Connection connection = dataSource.getConnection(); |
| PreparedStatement preparedStatement = connection.prepareStatement(sql)) { |
| preparedStatement.setInt(1, entity.getUserId()); |
| preparedStatement.setString(2, entity.getUserName()); |
| preparedStatement.setString(3, entity.getPwd()); |
| preparedStatement.executeUpdate(); |
| } |
| return (long) entity.getUserId(); |
| } |
| |
| @Override |
| public void delete(final Long id) throws SQLException { |
| String sql = "DELETE FROM t_user WHERE user_id=?"; |
| try (Connection connection = dataSource.getConnection(); |
| PreparedStatement preparedStatement = connection.prepareStatement(sql)) { |
| preparedStatement.setLong(1, id); |
| preparedStatement.executeUpdate(); |
| } |
| } |
| |
| @Override |
| public List<User> selectAll() throws SQLException { |
| String sql = "SELECT * FROM t_user"; |
| return getUsers(sql); |
| } |
| |
| private List<User> getUsers(final String sql) throws SQLException { |
| List<User> result = new LinkedList<>(); |
| try (Connection connection = dataSource.getConnection(); |
| PreparedStatement preparedStatement = connection.prepareStatement(sql); |
| ResultSet resultSet = preparedStatement.executeQuery()) { |
| while (resultSet.next()) { |
| User user = new User(); |
| user.setUserId(resultSet.getInt("user_id")); |
| user.setUserName(resultSet.getString("user_name")); |
| user.setPwd(resultSet.getString("pwd")); |
| result.add(user); |
| } |
| } |
| return result; |
| } |
| } |