spring+hibernate+JTA分散式事務の例.
複数のHibernate Session Facotryにまたがる分散事務については、簡単にJtaTransation Managerと複数のLocarSession FactoryBenの定義を組み合わせるだけで事務戦略として機能します.あなたのDAOはbean属性を通してそれぞれのSession Factoryに引用されます.すべての底のJDBCデータソースが事務をサポートする容器であれば、JTA Transation Managerをビジネス戦略として使用すれば、複数のDAOと複数のsession factoresを横断して事務を分割することができ、何の特別な処理も必要としない.
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<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="hibernateProperties">
<value>
hibernate.dialect=org.hibernate.dialect.OracleDialect
</value>
</property>
</bean>
<bean id="myTxManager" class="org.springframework.transaction.jta.JtaTransactionManager"/>
<bean id="myProductDao" class="product.ProductDaoImpl">
<property name="sessionFactory" ref="mySessionFactory1"/>
</bean>
<bean id="myInventoryDao" class="product.InventoryDaoImpl">
<property name="sessionFactory" ref="mySessionFactory2"/>
</bean>
<!-- this shows the Spring 1.x style of declarative transaction configuration -->
<!-- it is totally supported, 100% legal in Spring 2.x, but see also above for the sleeker, Spring 2.0 style -->
<bean id="myProductService"
class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
<property name="transactionManager" ref="myTxManager"/>
<property name="target">
<bean class="product.ProductServiceImpl">
<property name="productDao" ref="myProductDao"/>
<property name="inventoryDao" ref="myInventoryDao"/>
</bean>
</property>
<property name="transactionAttributes">
<props>
<prop key="increasePrice*">PROPAGATION_REQUIRED</prop>
<prop key="someOtherBusinessMethod">PROPAGATION_REQUIRES_NEW</prop>
<prop key="*">PROPAGATION_SUPPORTS,readOnly</prop>
</props>
</property>
</bean>
</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="hibernateProperties">
<value>
hibernate.dialect=org.hibernate.dialect.OracleDialect
</value>
</property>
</bean>
<bean id="myTxManager" class="org.springframework.transaction.jta.JtaTransactionManager"/>
<bean id="myProductDao" class="product.ProductDaoImpl">
<property name="sessionFactory" ref="mySessionFactory1"/>
</bean>
<bean id="myInventoryDao" class="product.InventoryDaoImpl">
<property name="sessionFactory" ref="mySessionFactory2"/>
</bean>
<bean id="myProductService" class="product.service.myProductServiceImpl">
<property name="productDao" ref="myProductDao"/>
<property name="inventoryDao" ref="myInventoryDao"/>
</bean>
<aop:config>
<aop:pointcut id="managerTx"
expression="execution(* product.service..*Service.*(..))" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="managerTx" />
</aop:config>
<tx:advice id="txAdvice" transaction-manager="myTxManager">
<tx:attributes>
<tx:method name="get*" read-only="true" />
<tx:method name="find*" read-only="true" />
<tx:method name="save*" propagation="REQUIRED" />
<tx:method name="remove*" propagation="REQUIRED" />
<tx:method name="*" />
</tx:attributes>
</tx:advice>
すでにあります0人がメッセージを発表し、猛撃->>
ここ<->討論に参加します.
ITeyおすすめ