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http://code.google.com/p/mybatis/issues/detail?id=100 : Some samples of code to show the 3 ways to integrate with spring by Eduardo Macarron
1 parent a1384c5 commit 3bf2a46

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lines changed

‎src/test/java/sample/FooService.java‎

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@@ -18,13 +18,15 @@
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import org.springframework.transaction.annotation.Transactional;
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/**
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* FooService acts as a bussiness service.
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*
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* All calls to any method of FooService are transactional.
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*
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* @version $Id$
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*/
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@Transactional
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public interface FooService {
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User doSomeBusinessStuff();
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User doSomeBusinessStuff(String userId);
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}

‎src/test/java/sample/FooServiceImpl.java‎

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package sample;
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/**
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* Impl of the FooService.
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*
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* FooService simply receives a userId and uses a mapper/dao to get a record from the database. .
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*
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* @version $Id$
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*/
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this.userMapper = userMapper;
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}
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public User doSomeBusinessStuff() {
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User user = new User();
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user.setId("u1");
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user.setName("Pocoyo");
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return this.userMapper.getUser(user);
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public User doSomeBusinessStuff(String userId) {
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return this.userMapper.getUser(userId);
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}
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}

‎src/test/java/sample/MapperFactoryBeanTest.java‎

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@@ -23,7 +23,7 @@
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import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
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/**
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*
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* Example of MyBatis-Spring integration usage.
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*
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* @version $Id$
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*/
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public class MapperFactoryBeanTest {
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@Autowired
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private FooService service;
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private FooService fooService1;
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@Autowired
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private FooService fooService2;
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@Autowired
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private FooService fooService3;
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public void setFooService1(FooService fooService1) {
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this.fooService1 = fooService1;
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}
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public void setFooService2(FooService fooService2) {
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this.fooService2 = fooService2;
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}
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public void setFooService3(FooService fooService3) {
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this.fooService3 = fooService3;
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}
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@Test
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public void testFooService1() throws Exception {
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User user = this.fooService1.doSomeBusinessStuff("u1");
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Assert.assertNotNull(user);
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Assert.assertEquals("Pocoyo",user.getName());
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}
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@Test
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public void testFooService2() throws Exception {
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User user = this.fooService2.doSomeBusinessStuff("u1");
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Assert.assertNotNull(user);
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Assert.assertEquals("Pocoyo",user.getName());
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}
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@Test
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public void testFactoryBean() throws Exception {
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User user = this.service.doSomeBusinessStuff();
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public void testFooService3() throws Exception {
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User user = this.fooService3.doSomeBusinessStuff("u1");
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Assert.assertNotNull(user);
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Assert.assertEquals(user.getId(), "u1");
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Assert.assertEquals("Pocoyo",user.getName());
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}
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}

‎src/test/java/sample/MyBatisSampleTest.java‎

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/*
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* Copyright 2010 The myBatis Team
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package sample;
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import org.junit.Assert;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.test.context.ContextConfiguration;
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import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
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/**
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* Example of MyBatis-Spring integration usage
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*
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* @version $Id$
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*/
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@ContextConfiguration(locations = {"classpath:sample/context.xml"})
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@RunWith(SpringJUnit4ClassRunner.class)
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public class MyBatisSampleTest {
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@Autowired
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private FooService fooService1;
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@Autowired
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private FooService fooService2;
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@Autowired
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private FooService fooService3;
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public void setFooService1(FooService fooService1) {
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this.fooService1 = fooService1;
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}
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public void setFooService2(FooService fooService2) {
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this.fooService2 = fooService2;
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}
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public void setFooService3(FooService fooService3) {
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this.fooService3 = fooService3;
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}
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@Test
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public void testFooService1() throws Exception {
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User user = this.fooService1.doSomeBusinessStuff("u1");
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Assert.assertNotNull(user);
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Assert.assertEquals("Pocoyo",user.getName());
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}
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@Test
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public void testFooService2() throws Exception {
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User user = this.fooService2.doSomeBusinessStuff("u1");
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Assert.assertNotNull(user);
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Assert.assertEquals("Pocoyo",user.getName());
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}
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@Test
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public void testFooService3() throws Exception {
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User user = this.fooService3.doSomeBusinessStuff("u1");
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Assert.assertNotNull(user);
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Assert.assertEquals("Pocoyo",user.getName());
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}
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}

‎src/test/java/sample/User.java‎

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package sample;
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/**
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*
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* A simple bean that holds User info.
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*
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* @version $Id$
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*/

‎src/test/java/sample/UserMapper.java‎

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*/
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package sample;
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import java.util.List;
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/**
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*
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* Mapper/DAO inteface.
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*
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* @version $Id$
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*/
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public interface UserMapper {
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27-
// @Select("select * from users where id=#{id} and name=#{name}")
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User getUser(User user);
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// @Select("select * from users")
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List<User> getUsers();
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User getUser(String userId);
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}

‎src/test/java/sample/UserMapperSqlSessionImpl.java‎

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*/
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package sample;
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import java.util.List;
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import org.apache.ibatis.session.SqlSession;
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import org.apache.ibatis.session.SqlSessionFactory;
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/**
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*
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* This DAO is injected with a SqlSessionFactory that is used to get a SqlSession and call MyBatis API.
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*
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* @version $Id$
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*/
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this.sqlSessionFactory = sqlSessionFactory;
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}
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36-
public User getUser(User user) {
34+
public User getUser(String userId) {
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SqlSession session = sqlSessionFactory.openSession();
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user = (User) session.selectOne("sample.UserMapper.getUser", user);
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User user = (User) session.selectOne("sample.UserMapper.getUser", userId);
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session.close();
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return user;
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}
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public List<User> getUsers() {
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SqlSession session = sqlSessionFactory.openSession();
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@SuppressWarnings("unchecked")
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List<User> users = (List<User>) session.selectOne("sample.UserMapper.getUsers");
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session.close();
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return users;
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}
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}

‎src/test/java/sample/UserMapperTemplateImpl.java‎

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*/
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package sample;
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import java.util.List;
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import org.mybatis.spring.support.SqlSessionDaoSupport;
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/**
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*
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* This DAO extends SqlSessionDaoSupport and uses SqlSessionTemplate instead of MyBatis API
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* SqlSessions are handled by Spring.
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* MyBatis exceptions are translated to Spring Data Exceptions.
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*
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* @version $Id$
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*/
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public class UserMapperTemplateImpl extends SqlSessionDaoSupport implements UserMapper {
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29-
public User getUser(User user) {
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return (User) getSqlSessionTemplate().selectOne("sample.UserMapper.getUser", user);
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}
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33-
public List<User> getUsers() {
34-
return getSqlSessionTemplate().selectList("sample.UserMapper.getUser");
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public User getUser(String userId) {
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return (User) getSqlSessionTemplate().selectOne("sample.UserMapper.getUser", userId);
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}
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}

‎src/test/java/sample/package-info.java‎

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/*
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* Copyright 2010 The myBatis Team
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
8+
* http://www.apache.org/licenses/LICENSE-2.0
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*
10+
* Unless required by applicable law or agreed to in writing, software
11+
* distributed under the License is distributed on an "AS IS" BASIS,
12+
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13+
* See the License for the specific language governing permissions and
14+
* limitations under the License.
15+
*/
16+
17+
/**
18+
* Sample for three usage scenarios.
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* <ul>
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* <li>Extending SqlSessionDaoSupport</li>
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* <li>Using directly MyBatis API (SqlSession)</li>
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* <li>Injecting Mappers (in fact this means that there is no DAO implementation)</li>
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* </ul>
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*
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* @version $Id$
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*/
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package sample;

‎src/test/resources/sample/UserMapper.xml‎

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-->
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<mapper namespace="sample.UserMapper">
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<select id="getUser" resultType="sample.User" parameterType="sample.User">
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select * from users where id=#{id} and name=#{name}
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</select>
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<select id="getUsers" resultType="sample.User" >
31-
select * from users
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<select id="getUser" resultType="sample.User" parameterType="java.lang.String">
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select * from users where id=#{value}
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</select>
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</mapper>

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