日期:2014-05-16  浏览次数:20439 次

Spring-JDBC/ORM 统一事物管理解决方案

若使用 MyBatis[JDBC] 与hibernate[ORM] 框架结合,且 使用 相同的事务:

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解决方案三种:

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1: 将JDBC事物打开,且Hibernate事物关闭,再修改 hibernate sessionFactory的?useTransactionAwareDataSource ?属性为true

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<!-- 事务管理器配置, 使用jdbc事务 -->
	<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource" />
	</bean>
<!-- 使用annotation定义事务 -->
	<tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true" />
<!-- Hibernate配置 -->
	<bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
		<property name="dataSource" ref="dataSource" />
		<property name="namingStrategy">
			<bean class="org.hibernate.cfg.ImprovedNamingStrategy" />
		</property>
		<property name="hibernateProperties">
			<props>
				<prop key="hibernate.dialect">${hibernate.dialect}</prop>
				<prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
				<prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
				<prop key="hibernate.cache.provider_class">org.hibernate.cache.EhCacheProvider</prop>
				<prop key="hibernate.cache.provider_configuration_file_resource_path">ehcache/ehcache-hibernate-local.xml</prop>
			</props>
		</property>
		<property name="packagesToScan" value="org.springtest.entity" />
		<property name="useTransactionAwareDataSource" value="true"/>
	</bean>

?参加Spring源码:

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SessionFactory org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory() throws Exception
if (dataSource != null) {
				Class providerClass = LocalDataSourceConnectionProvider.class;
				if (isUseTransactionAwareDataSource() || dataSource instanceof TransactionAwareDataSourceProxy) {
					providerClass = TransactionAwareDataSourceConnectionProvider.class;
				}
				else if (config.getProperty(Environment.TRANSACTION_MANAGER_STRATEGY) != null) {
					providerClass = LocalJtaDataSourceConnectionProvider.class;
				}
				// Set Spring-provided DataSource as Hibernate ConnectionProvider.
				config.setProperty(Environment.CONNECTION_PROVIDER, providerClass.getName());
			}
?第二种: 使用JTA事务:
<beans>

  <bean id="myDataSource1" class="org.springframework.jndi.JndiObjectFactoryBean">
    <property name="jndiName value="java:comp/env/jdbc/myds1"/>
  </bean>

  <bean id="myDataSource2" class="org.springframework.jndi.JndiObjectFactoryBean">
    <property name="jndiName" value="java:comp/env/jdbc/myds2"/>
  </bean>

  <bean id="mySessionFactory1" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
    <property name="dataSource" ref="myDataSource1"/>
    <property name="mappingResources">
      <list>
        <value>product.hbm.xml</value>
      </list>
    </property>
    <property name="hibernateProperties">
      <value>
        hibernate.dialect=org.hibernate.dialect.MySQLDialect
        hibernate.show_sql=true
      </value>
    </property>
  </bean>

  <bean id="mySessionFactory2" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
    <property name="dataSource" ref="myDataSource2"/>
    <property name="mappingResources">
      <list>
        <value>inventory.hbm.xml</value>
      </list>
    </property>
    <property name=