[ch05] Use TransactionManager to abstract transaction bound with spri…

…ng DI.

src/main/java/ch01/springbook/user/UserService.java

@@ -2,9 +2,6 @@
 
 import java.util.List;
 
-import javax.sql.DataSource;
-
-import org.springframework.jdbc.datasource.DataSourceTransactionManager;
 import org.springframework.transaction.PlatformTransactionManager;
 import org.springframework.transaction.TransactionStatus;
 import org.springframework.transaction.support.DefaultTransactionDefinition;
@@ -18,20 +15,19 @@ public class UserService {
 	public static final int MIN_LOGCOUNT_FOR_SILVER = 50;
 	public static final int MIN_RECOMMEND_FOR_GOLD = 30;
 
-	UserDao userDao;
-	private DataSource dataSource;
+	private PlatformTransactionManager transactionManager;
+	private UserDao userDao;
 
-	public void setUserDao(UserDao userDao) {
-		this.userDao = userDao;
+	public void setTransactionManager(PlatformTransactionManager transactionManager) {
+		this.transactionManager = transactionManager;
 	}
 
-	public void setDataSource(DataSource dataSource) {
-		this.dataSource = dataSource;
+	public void setUserDao(UserDao userDao) {
+		this.userDao = userDao;
 	}
 
 	public void upgradeLevels() throws Exception {
 
-		PlatformTransactionManager transactionManager = new DataSourceTransactionManager(dataSource);
 		TransactionStatus status = transactionManager.getTransaction(new DefaultTransactionDefinition());
 
 		try {

src/main/resources/applicationContext.xml

@@ -11,6 +11,10 @@
         <property name="password" value="study" />
     </bean>
 
+    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager" >
+        <property name="dataSource" ref="dataSource" />
+    </bean>
+
     <bean id="jdbcContext" class="ch03.springbook.user.dao.JdbcContext">
         <property name="dataSource" ref="dataSource" />
     </bean>
@@ -21,7 +25,7 @@
 
     <bean id="userService" class="ch01.springbook.user.UserService">
         <property name="userDao" ref="userDao" />
-        <property name="dataSource" ref="dataSource" />
+        <property name="transactionManager" ref="transactionManager" />
     </bean>
 
 </beans>

src/test/java/ch01/springbook/user/UserServiceTest.java

@@ -10,14 +10,13 @@
 import java.util.Arrays;
 import java.util.List;
 
-import javax.sql.DataSource;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.transaction.PlatformTransactionManager;
 
 import ch01.springbook.user.dao.UserDao;
 import ch01.springbook.user.domain.Level;
@@ -48,15 +47,15 @@ protected void upgradeLevel(User user) {
 	}
 
 	@Autowired
-	UserService userService;
+	private PlatformTransactionManager transactionManager;
 
 	@Autowired
-	UserDao userDao;
+	private UserService userService;
 
 	@Autowired
-	DataSource dataSource;
+	private UserDao userDao;
 
-	List<User> userList;
+	private List<User> userList;
 
 	@Before
 	public void setUp() {
@@ -116,7 +115,7 @@ public void add() {
 	public void upgradeAllOrNothing() throws Exception {
 		UserService testUserService = new TestUserService(userList.get(3).getId());
 		testUserService.setUserDao(userDao);
-		testUserService.setDataSource(dataSource);
+		testUserService.setTransactionManager(transactionManager);
 
 		userDao.deleteAll();
 		for (User user : userList) {