jpa multi datasource

来源：互联网发布：h5穿上军装源码编辑：程序博客网时间：2024/06/05 17:33

    <persistence-unit name="com.demo" >    <mapping-file>META-INF/orm.xml</mapping-file>        <properties>           <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />           <property name="hibernate.hbm2ddl.auto" value="validation" />           <property name="hibernate.format_sql" value="true"/>           <property name="hibernate.show_sql" value="false"/>        </properties>     </persistence-unit>

<bean id="emfDemo"class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"><property name="dataSource" ref="dataSourceDemo" /><property name="jpaVendorAdapter"><bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"><property name="generateDdl" value="true" /> <property name="showSql" value="false" /> </bean></property><property name="loadTimeWeaver"><beanclass="org.springframework.instrument.classloading.InstrumentationLoadTimeWeaver" /></property><property name="persistenceUnitName" value="com.demo" /></bean>

<filter-mapping><filter-name>OpenEntityManagerInViewFilter1</filter-name><url-pattern>/*</url-pattern></filter-mapping><filter><filter-name>OpenEntityManagerInViewFilter2</filter-name><filter-class>org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter</filter-class><init-param><param-name>entityManagerFactoryBeanName</param-name><param-value>emfDemo</param-value></init-param></filter>

@PersistenceContext(unitName="emfDemo")public EntityManager entityManager;

        @GET@Path("/jpa/test")@Transactionalpublic Response testJpaDemo(@QueryParam ("type") String type){this.getService().getDao().findAll();News news = this.getService().getDao().findOne(1L);News newsMaster = (News) entityManager.find(News.class,2L);logger.debug(news.getContent());logger.debug(newsMaster.getContent());News entity = new News();entity.setContent("main");this.getService().getDao().saveAndFlush(entity);News entityMaster = new News();entity.setContent("master");entityManager.persist(entityMaster);if(true)throw new GeneralException("", "test transaction");return Response.ok().build();}

0 0