spring jdbc 编程式事务
所谓编程式事务指的是通过编码方式实现事务，即类似于JDBC编程实现事务管理。
新建maven工程，pom文件如下：
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>spring-jdbc</groupId>
<artifactId>spring-jdbc</artifactId>
<version>0.0.1-SNAPSHOT</version>
<properties>
<spring.group>org.springframework</spring.group>
<spring.version>3.1.1.RELEASE</spring.version>
</properties>
<dependencies>
<dependency>
<groupId>${spring.group}</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>${spring.group}</groupId>
<artifactId>spring-aop</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>${spring.group}</groupId>
<artifactId>spring-aspects</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>${spring.group}</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>${spring.group}</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>${spring.group}</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>${spring.group}</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>${spring.group}</groupId>
<artifactId>spring-expression</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>${spring.group}</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>${spring.group}</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>${spring.group}</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>${spring.group}</groupId>
<artifactId>spring-oxm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>${spring.group}</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>${spring.group}</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>${spring.group}</groupId>
<artifactId>spring-webmvc-portlet</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.6</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc14</artifactId>
<version>10.2.0.1.0</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>1.7.4</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.7.4</version>
</dependency>
</dependencies>
</project>
SQL：
CREATE TABLE TB_USER
(
ID INTEGER PRIMARY KEY,
USER_NAME VARCHAR2(20) NOT NULL,
USER_AGE INTEGER NOT NULL
);
java代码：
package springjdbc;
public interface IUserDao {
void insertUser(User user);
}
package springjdbc;
public class User {
private String username;
private int age;
public User(String username, int age) {
this.username = username;
this.age = age;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
}
PlatformTransactionManager
package springjdbc.transactions.programmatic.platform;
import java.sql.Types;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DataAccessException;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.DefaultTransactionDefinition;
import springjdbc.IUserDao;
import springjdbc.User;
public class UserDao implements IUserDao {
@Autowired
private PlatformTransactionManager platformTransactionManager;
@Autowired
private JdbcTemplate jdbcTemplate;
public void setPlatformTransactionManager(PlatformTransactionManager platformTransactionManager) {
this.platformTransactionManager = platformTransactionManager;
}
public void setJdbcTemplate(JdbcTemplate jdbcTemplate) {
this.jdbcTemplate = jdbcTemplate;
}
public void insertUser(User user) {
DefaultTransactionDefinition def = new DefaultTransactionDefinition();
TransactionStatus status = platformTransactionManager.getTransaction(def);
String sql = "insert into tb_user (id, user_name, user_age) values (1, ?, ?)";
Object[] params = new Object[] { user.getUsername(), user.getAge(), };
int[] types = new int[] { Types.VARCHAR, Types.INTEGER, };
try {
jdbcTemplate.update(sql, params, types);
jdbcTemplate.update(sql, params, types);
platformTransactionManager.commit(status);
} catch (DataAccessException e) {
platformTransactionManager.rollback(status);
throw e;
}
}
}
springjdbc/transactions/programmatic/platformContext.xml：
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd"> <context:annotation-config /> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="url" value="jdbc:oracle:thin:@localhost:1521:ORCL" /> <property name="username" value="HIBERNATE" /> <property name="password" value="HIBERNATE" /> <property name="driverClassName" value="oracle.jdbc.driver.OracleDriver" /> </bean> <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate"> <property name="dataSource" ref="dataSource" /> </bean> <bean id="userDao" class="springjdbc.transactions.programmatic.platform.UserDao"> </bean> </beans>
测试类：
package springjdbc.transactions.programmatic;
import java.util.Random;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import springjdbc.IUserDao;
import springjdbc.User;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("platformContext.xml")
public class TestPlatform {
@Autowired
ApplicationContext context;
@Test
public void test() throws Exception {
Random random = new Random();
IUserDao dao = context.getBean("userDao", IUserDao.class);
int id = random.nextInt(100);
User user = new User("user" + id, id);
dao.insertUser(user);
}
}
TransactionTemplate
package springjdbc.transactions.programmatic.template;
import java.sql.Types;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallback;
import org.springframework.transaction.support.TransactionTemplate;
import springjdbc.IUserDao;
import springjdbc.User;
public class UserDao implements IUserDao {
@Autowired
private JdbcTemplate jdbcTemplate;
@Autowired
private TransactionTemplate transactionTemplate;
public void setTransactionTemplate(TransactionTemplate transactionTemplate) {
this.transactionTemplate = transactionTemplate;
}
public void setJdbcTemplate(JdbcTemplate jdbcTemplate) {
this.jdbcTemplate = jdbcTemplate;
}
public void insertUser(final User user) {
transactionTemplate.execute(new TransactionCallback<Integer>() {
public Integer doInTransaction(TransactionStatus status) {
String sql = "insert into tb_user (id, user_name, user_age) values (1, ?, ?)";
Object[] params = new Object[] { user.getUsername(), user.getAge(), };
int[] types = new int[] { Types.VARCHAR, Types.INTEGER, };
jdbcTemplate.update(sql, params, types);
return jdbcTemplate.update(sql, params, types);
}
});
}
}
springjdbc/transactions/programmatic/templateContext.xml：
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd"> <context:annotation-config /> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> <bean id="txTemplate" class="org.springframework.transaction.support.TransactionTemplate"> <property name="transactionManager" ref="transactionManager"></property> </bean> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="url" value="jdbc:oracle:thin:@localhost:1521:ORCL" /> <property name="username" value="HIBERNATE" /> <property name="password" value="HIBERNATE" /> <property name="driverClassName" value="oracle.jdbc.driver.OracleDriver" /> </bean> <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate"> <property name="dataSource" ref="dataSource" /> </bean> <bean id="userDao" class="springjdbc.transactions.programmatic.template.UserDao"> </bean> </beans>
测试类：
package springjdbc.transactions.programmatic;
import java.util.Random;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import springjdbc.IUserDao;
import springjdbc.User;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("templateContext.xml")
public class TestTemplate {
@Autowired
ApplicationContext context;
@Test
public void test() throws Exception {
Random random = new Random();
IUserDao dao = context.getBean("userDao", IUserDao.class);
int id = random.nextInt(100);
User user = new User("user" + id, id);
dao.insertUser(user);
}
}
运行，会报错，因为ID相同，但是，会回滚，数据库里没有插入数据。