spring+atomikos+JTA完整例子

spring+atomikos+JTA完整例子

看完了经乾的《TUXEDO系统经典》后，觉得tuxedo的事务处理功能是无比强大，当时心里就想如果能用JAVA来实现Tuxedo所有功能，那将是一个无比强大的分布式事务处理系统。当我看到atomikos时，我知我找到自己一心要寻找的事务处理工具。atomikos目前中文文档还很少，更没有完整的中文文档，本人读书甚少。没有能力能她的E文文档翻译成中文。今天是学习atomikos的第一天，终于把一个简单的例子做完，现在贴出来与大家共享，接下来俺要好好看她的E文文档了。applicationContext.xml配置

     <!-- Atomikos  JTA 事务 begin -->    
     < bean  id ="dataSource1"  class ="com.atomikos.jdbc.SimpleDataSourceBean"  init-method ="init"  destroy-method ="close" >    
         < property  name ="uniqueResourceName" >    
             < value > mysql/main </ value >    
         </ property >    
         < property  name ="xaDataSourceClassName" >    
             <!--  使用Mysql XADataSource(mysql>=5.0, Connector/J>=5.0才可以支持XADatasource) -->    
             < value > com.mysql.jdbc.jdbc2.optional.MysqlXADataSource </ value >    
         </ property >    
         < property  name ="xaDataSourceProperties" >    
             < value > URL=jdbc:mysql://localhost:3306/test?useUnicode=true &amp; characterEncoding=utf-8;user=root;password=123456 </ value >    
         </ property >    
         < property  name ="exclusiveConnectionMode" >    
             < value > true </ value >    
         </ property >    
         < property  name ="connectionPoolSize" >    
             < value > 3 </ value >    
         </ property >    
         < property  name ="validatingQuery" >    
             < value > SELECT 1 </ value >    
         </ property >    
     </ bean >        
    
     < bean  id ="dataSource2"  class ="com.atomikos.jdbc.SimpleDataSourceBean"  init-method ="init"  destroy-method ="close" >    
         < property  name ="uniqueResourceName" >    
             < value > mysql/secondary </ value >    
         </ property >    
         < property  name ="xaDataSourceClassName" >    
             <!--  使用Mysql XADataSource(mysql>=5.0, Connector/J>=5.0才可以支持XADatasource) -->    
             < value > com.mysql.jdbc.jdbc2.optional.MysqlXADataSource </ value >    
         </ property >
         < property  name ="xaDataSourceProperties" >    
             < value > URL=jdbc:mysql://localhost:3306/aotsf?useUnicode=true &amp; characterEncoding=utf-8;user=root;password=123456 </ value >    
         </ property >
         < property  name ="exclusiveConnectionMode" >    
             < value > true </ value >    
         </ property >
         < property  name ="connectionPoolSize" >    
             < value > 3 </ value >    
         </ property >
         < property  name ="validatingQuery" >
             < value > SELECT 1 </ value >    
         </ property >    
     </ bean >      
    
     < bean  id ="atomikosTransactionManager"  class ="com.atomikos.icatch.jta.UserTransactionManager"  init-method ="init"  destroy-method ="close" >    
         < property  name ="forceShutdown" >< value > true </ value ></ property >    
     </ bean >
    
       
     < bean  id ="atomikosUserTransaction"  class ="com.atomikos.icatch.jta.UserTransactionImp" >    
         < property  name ="transactionTimeout"  value ="300" />     
     </ bean >
     < bean  id ="springTransactionManager"  class ="org.springframework.transaction.jta.JtaTransactionManager" >    
         < property  name ="transactionManager" >
             < ref  bean ="atomikosTransactionManager" />
         </ property >
         < property  name ="userTransaction" >
             < ref  bean ="atomikosUserTransaction" />
         </ property >
     </ bean >
    
      < bean  id ="atomikosTransactionProxy"
          class ="org.springframework.transaction.interceptor.TransactionProxyFactoryBean"
          abstract ="true" >
           < property  name ="transactionManager" >
                < ref  bean ="springTransactionManager"   />
           </ property >
           < property  name ="transactionAttributes" >
                < props >
                 < prop  key ="*" > PROPAGATION_REQUIRED,-Exception </ prop >
                </ props >
           </ property >
      </ bean >
    
    
     < bean  id ="jdbcBookDAO"  class ="dao.jdbc.BookDAO" >
         < property  name ="dataSource" >
             < ref  bean ="dataSource1" />
         </ property >
     </ bean >
    
     < bean  id ="jdbcTestDAO"  class ="dao.jdbc.TestDAO" >
         < property  name ="dataSource" >
             < ref  bean ="dataSource2" />
         </ property >
     </ bean >
    
     < bean  id ="atomikosJTAServiceDemo"  parent ="atomikosTransactionProxy" >
         < property  name ="target" >
             < bean  class ="service.AtomikosJTAServiceDemo" >
                 < property  name ="jdbcBookDAO" >
                     < ref  bean ="jdbcBookDAO" />
                 </ property >
                 < property  name ="jdbcTestDAO" >
                     < ref  bean ="jdbcTestDAO" />
                 </ property >                 
             </ bean >
         </ property >
     </ bean >
    
    
     <!-- Atomikos  JTA 事务 end   -->

DAO层代码

package  dao.jdbc;

import  org.springframework.jdbc.core.JdbcTemplate;
import  org.springframework.jdbc.core.support.JdbcDaoSupport;

import  domain.Book;

public   class  BookDAO  extends  JdbcDaoSupport{
     public   void  addBook(Book book){
         try {
            JdbcTemplate jt = getJdbcTemplate();
            String str_sql = " insert into Book(isbn,bookname,author,note)VALUES(?,?,?,?) " ;
            String[] args = {book.getIsbn(),book.getBookname(),book.getAuthor(),book.getNote()};
            jt.update(str_sql, args);
        } catch (RuntimeException e){
            System.out.println( " 添加Book失败 " );
            e.printStackTrace();
             throw  e;
        }
    }
}

package  dao.jdbc;

import  org.springframework.jdbc.core.JdbcTemplate;
import  org.springframework.jdbc.core.support.JdbcDaoSupport;


public   class  TestDAO  extends  JdbcDaoSupport{
    
     public   void  addBook(Integer id, String email){
         try {
            JdbcTemplate jt = getJdbcTemplate();
            String str_sql = " insert into test(id,email)VALUES(?,?) " ;
            Object[] args = {id,email};
            jt.update(str_sql, args);
        } catch (RuntimeException e){
            System.out.println( " 添加Test失败 " );
            e.printStackTrace();
             throw  e;
        }
    }
}

事层代码

package  service;

import  dao.jdbc.BookDAO;
import  dao.jdbc.TestDAO;
import  domain.Book;

public   class  AtomikosJTAServiceDemo {
     private  BookDAO jdbcBookDAO;
     private  TestDAO jdbcTestDAO;
    
     public  String ok(){
        System.out.println( " 开始. " );
        jdbcTestDAO.addBook(Integer.valueOf( " 2 " ),  " pdw2009  tom.com " );
        
        Book book = new  Book();
        book.setIsbn( " ccdada66 " );
        book.setAuthor( " 小东 " );
        book.setNote( " JTA测试 " );
        book.setBookname( " Atomikos学习 " );
        jdbcBookDAO.addBook(book);
        
        System.out.println( " 结束. " );
         return   " ok " ;
    }

     public  BookDAO getJdbcBookDAO() {
         return  jdbcBookDAO;
    }

     public   void  setJdbcBookDAO(BookDAO jdbcBookDAO) {
         this .jdbcBookDAO  =  jdbcBookDAO;
    }

     public  TestDAO getJdbcTestDAO() {
         return  jdbcTestDAO;
    }

     public   void  setJdbcTestDAO(TestDAO jdbcTestDAO) {
         this .jdbcTestDAO  =  jdbcTestDAO;
    }
    
    
}

测试用例

package  services;


import   static  org.junit.Assert. * ;

import  org.junit.After;
import  org.junit.AfterClass;
import  org.junit.Before;
import  org.junit.BeforeClass;
import  org.junit.Test;
import  org.springframework.context.ApplicationContext;
import  org.springframework.context.support.ClassPathXmlApplicationContext;

import  service.AtomikosJTAServiceDemo;

public   class  AtomikosJTAServiceDemoTest {
    ApplicationContext acx = null ;
    AtomikosJTAServiceDemo atomikosJTAServiceDemo = null ;
    @BeforeClass
     public   static   void  setUpBeforeClass()  throws  Exception {
    }

    @AfterClass
     public   static   void  tearDownAfterClass()  throws  Exception {
    }

    @Before
     public   void  setUp()  throws  Exception {
        acx = new  ClassPathXmlApplicationContext( " applicationContext.xml " );
        atomikosJTAServiceDemo = (AtomikosJTAServiceDemo) acx.getBean( " atomikosJTAServiceDemo " );
    }

    @After
     public   void  tearDown()  throws  Exception {
    }
    
    @Test
     public   void  notnullTest() throws  Exception{
        assertNotNull(atomikosJTAServiceDemo);
    }
    @Test
     public   void  okTest() throws  Exception{
        assertEquals(atomikosJTAServiceDemo.ok(), " ok " );
        
    }
}