druid配置多数据源与分布式事务

spring 2.5以后，spring 删除了JotmFactoryBean ，spring不再提供对jotm提供支持

spring atomikos 集成

atomikos需要的jar

atomikos-util-3.9.1.jar

transactions-3.9.1.jar
transactions-api-3.9.1.jar
transactions-jdbc-3.9.1.jar
transactions-jta-3.9.1.jar

db.properties

 datasource.type=oracle
 datasource.driverClassName=oracle.jdbc.driver.OracleDriver

 datasource.url.read=jdbc\:oracle\:thin\:@172.16.20.129\:1521\:read
 datasource.username.read=system
 datasource.password.read=password


 datasource.url.write=jdbc\:oracle\:thin\:@172.16.20.129\:1521\:write
 datasource.username.write=system
 datasource.password.write=password

applicationContext.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:p="http://www.springframework.org/schema/p"
     xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
     xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"
     xsi:schemaLocation="
             http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
             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/jee http://www.springframework.org/schema/jee/spring-jee-3.0.xsd
             http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">

 <!-- 数据源定义文件 -->
     <context:property-placeholder location="classpath:db.properties" />

     <!-- 设置数据源属性 -->
     <bean id="dataSourceRead" class="com.atomikos.jdbc.AtomikosDataSourceBean"
         init-method="init" destroy-method="close">
         <property name="uniqueResourceName" value="read_resource" />
         <property name="xaDataSourceClassName" value="com.alibaba.druid.pool.xa.DruidXADataSource" />
     <property name="xaProperties">
         <props>
             <prop key="url">${datasource.url.read}</prop>
             <prop key="username">${datasource.username.read}</prop>
             <prop key="password">${datasource.password.read}</prop>

         </props>
     </property>
     </bean>

     <bean id="jdbcTemplateRead" class="org.springframework.jdbc.core.JdbcTemplate">
         <property name="dataSource" ref="dataSourceRead" />
     </bean>

     <!-- 设置数据源属性 -->
     <bean id="dataSourceWrite" class="com.atomikos.jdbc.AtomikosDataSourceBean"
         init-method="init" destroy-method="close">
         <property name="uniqueResourceName" value="write_resource" />
         <property name="xaDataSourceClassName" value="com.alibaba.druid.pool.xa.DruidXADataSource" />
     <property name="xaProperties">
         <props>
             <prop key="url">${datasource.url.write}</prop>
             <prop key="username">${datasource.username.write}</prop>
             <prop key="password">${datasource.password.write}</prop>

         </props>
     </property>
     </bean>

     <bean id="jdbcTemplateWrite" class="org.springframework.jdbc.core.JdbcTemplate">
         <property name="dataSource" ref="dataSourceWrite" />
     </bean>

      <!-- atomikos事务管理器 -->
     <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>

     <!-- spring 事务管理器 -->
     <bean id="jtaTransactionManager"
         class="org.springframework.transaction.jta.JtaTransactionManager">
         <property name="transactionManager" ref="atomikosTransactionManager"/>
         <property name="userTransaction" ref="atomikosUserTransaction" />
         <property name="allowCustomIsolationLevels" value="true"/>
     </bean>



     <!-- 配置事务传播特性 -->
     <tx:advice id="transactionAdvice" transaction-manager="jtaTransactionManager">
         <tx:attributes>

             <tx:method name="save*" propagation="REQUIRED" rollback-for="Exception"/>
             <tx:method name="update*" propagation="REQUIRED" rollback-for="Exception"/>
             <tx:method name="move*" propagation="REQUIRED" rollback-for="Exception"/>
             <tx:method name="*" propagation="SUPPORTS" read-only="true"/>
         </tx:attributes>
     </tx:advice>

     <!-- 配置相关类的方法参与事务 -->
     <aop:config>
         <aop:advisor pointcut="execution(* service.*.*(..))"
             advice-ref="transactionAdvice" />
     </aop:config>

     <!--spring会按照这个包路径进行扫描 -->
     <context:component-scan base-package="*" />

     <!-- 使用注解方式定义事务 -->
     <tx:annotation-driven transaction-manager="jtaTransactionManager" />

     <!-- 使用AspectJ方式配置AOP -->
     <aop:aspectj-autoproxy proxy-target-class="true" />

 </beans>

transactions.properties

 # SAMPLE PROPERTIES FILE FOR THE TRANSACTION SERVICE
 # THIS FILE ILLUSTRATES THE DIFFERENT SETTINGS FOR THE TRANSACTION MANAGER
 # UNCOMMENT THE ASSIGNMENTS TO OVERRIDE DEFAULT VALUES;

 # Required: factory implementation class of the transaction core.
 # NOTE: there is no default for this, so it MUST be specified!
 #
 com.atomikos.icatch.service=com.atomikos.icatch.standalone.UserTransactionServiceFactory


 # Set base name of file where messages are output
 # (also known as the 'console file').
 #
 # com.atomikos.icatch.console_file_name = tm.out

 # Size limit (in bytes) for the console file;
 # negative means unlimited.
 #
 # com.atomikos.icatch.console_file_limit=-1

 # For size-limited console files, this option
 # specifies a number of rotating files to
 # maintain.
 #
 # com.atomikos.icatch.console_file_count=1

 # Set the number of log writes between checkpoints
 #
 # com.atomikos.icatch.checkpoint_interval=500

 # Set output directory where console file and other files are to be put
 # make sure this directory exists!
 #
 # com.atomikos.icatch.output_dir = ./

 # Set directory of log files; make sure this directory exists!
 #
 # com.atomikos.icatch.log_base_dir = ./

 # Set base name of log file
 # this name will be  used as the first part of
 # the system-generated log file name
 #
 # com.atomikos.icatch.log_base_name = tmlog

 # Set the max number of active local transactions
 # or -1 for unlimited.
 #
 # com.atomikos.icatch.max_actives = 50

 # Set the default timeout (in milliseconds) for local transactions
 #
 # com.atomikos.icatch.default_jta_timeout = 10000

 # Set the max timeout (in milliseconds) for local transactions
 #
 # com.atomikos.icatch.max_timeout = 300000

 # The globally unique name of this transaction manager process
 # override this value with a globally unique name
 #
 # com.atomikos.icatch.tm_unique_name = tm

 # Do we want to use parallel subtransactions? JTA's default
 # is NO for J2EE compatibility
 #
 # com.atomikos.icatch.serial_jta_transactions=true

 # If you want to do explicit resource registration then
 # you need to set this value to false.
 #
 # com.atomikos.icatch.automatic_resource_registration=true

 # Set this to WARN, INFO or DEBUG to control the granularity
 # of output to the console file.
 #
 # com.atomikos.icatch.console_log_level=WARN

 # Do you want transaction logging to be enabled or not?
 # If set to false, then no logging overhead will be done
 # at the risk of losing data after restart or crash.
 #
 # com.atomikos.icatch.enable_logging=true

 # Should two-phase commit be done in (multi-)threaded mode or not?
 # Set this to false if you want commits to be ordered according
 # to the order in which resources are added to the transaction.
 #
 # NOTE: threads are reused on JDK 1.5 or higher.
 # For JDK 1.4, thread reuse is enabled as soon as the
 # concurrent backport is in the classpath - see
 # http://mirrors.ibiblio.org/pub/mirrors/maven2/backport-util-concurrent/backport-util-concurrent/
 #
 # com.atomikos.icatch.threaded_2pc=false

 # Should shutdown of the VM trigger shutdown of the transaction core too?
 #
 # com.atomikos.icatch.force_shutdown_on_vm_exit=false

dao

 package dao.impl;

 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.stereotype.Repository;

 import bean.User;

 @Repository("userDaoImplRead")
 public class UserDaoImplRead extends UserDaoAbs{

     @Autowired
     JdbcTemplate jdbcTemplateRead;

     //方法

 }

 package dao.impl;

 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.stereotype.Repository;

 import bean.User;

 @Repository("userDaoImplWrite")
 public class UserDaoImplWrite extends UserDaoAbs{

     @Autowired
     JdbcTemplate jdbcTemplateWrite;
     //方法
 }

service 就不写了