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JAVA spring hibernate 多數據源配置記錄

本文轉載自   查看原文   2015-08-26 20:32   2964    spring/ 多數據源/ java/ datasource/ hibernate
  1. 數據源配置 
     1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4     xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd"
 5     default-autowire="byName">
 6     <bean id="dataSource-hr" class="com.alibaba.druid.pool.DruidDataSource"
 7         init-method="init" destroy-method="close">
 8         <property name="url" value="${jdbc.url}" />
 9         <property name="username" value="${jdbc.username}" />
10         <property name="password" value="${jdbc.password}" />
11 
12         <property name="filters" value="stat" />
13 
14         <property name="maxActive" value="20" />
15         <property name="initialSize" value="1" />
16         <property name="maxWait" value="60000" />
17         <property name="minIdle" value="1" />
18 
19         <property name="timeBetweenEvictionRunsMillis" value="60000" />
20         <property name="minEvictableIdleTimeMillis" value="300000" />
21 
22         <property name="validationQuery" value="SELECT 'x'" />
23         <property name="testWhileIdle" value="true" />
24         <property name="testOnBorrow" value="false" />
25         <property name="testOnReturn" value="false" />
26 
27         <property name="poolPreparedStatements" value="true" />
28         <property name="maxPoolPreparedStatementPerConnectionSize"
29             value="50" />
30     </bean>
31 
32     <!-- Hibernate Jpa SessionFactory -->
33     <bean id="sessionFactory"
34         class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
35         <property name="dataSource" ref="dataSource-hr" />
36         <property name="hibernateProperties">
37             <props>
38                 <prop key="hibernate.dialect">${hibernate.dialect}</prop>
39                 <prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
40                 <prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
41                 <prop key="hibernate.jdbc.fetch_size">200</prop>
42                 <prop key="hibernate.jdbc.batch_size">200</prop>
43                 <prop key="javax.persistence.validation.mode">none</prop>
44             </props>
45         </property>
46         <property name="packagesToScan">
47             <list>
48                 <value>com.xx.xx.pojo</value>
49             </list>
50         </property>
51     </bean>
52 </beans>
    數據源1配置 
     1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4     xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd"
 5     default-autowire="byName">
 6     <bean id="dataSource-pku" class="com.alibaba.druid.pool.DruidDataSource"
 7         init-method="init" destroy-method="close">
 8         <property name="url" value="${jdbc.pku.url}" />
 9         <property name="username" value="${jdbc.pku.username}" />
10         <property name="password" value="${jdbc.pku.password}" />
11 
12         <property name="filters" value="stat" />
13 
14         <property name="maxActive" value="20" />
15         <property name="initialSize" value="1" />
16         <property name="maxWait" value="60000" />
17         <property name="minIdle" value="1" />
18 
19         <property name="timeBetweenEvictionRunsMillis" value="60000" />
20         <property name="minEvictableIdleTimeMillis" value="300000" />
21 
22         <property name="validationQuery" value="SELECT 'x'" />
23         <property name="testWhileIdle" value="true" />
24         <property name="testOnBorrow" value="false" />
25         <property name="testOnReturn" value="false" />
26 
27         <property name="poolPreparedStatements" value="true" />
28         <property name="maxPoolPreparedStatementPerConnectionSize"
29             value="50" />
30     </bean>
31 
32     <!-- Hibernate Jpa SessionFactory -->
33     <bean id="sessionFactory-pku"
34         class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
35         <property name="dataSource" ref="dataSource-pku" />
36         <property name="hibernateProperties">
37             <props>
38                 <prop key="hibernate.dialect">${hibernate.dialect}</prop>
39                 <prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
40                 <prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
41                 <prop key="hibernate.jdbc.fetch_size">200</prop>
42                 <prop key="hibernate.jdbc.batch_size">200</prop>
43                 <prop key="javax.persistence.validation.mode">none</prop>
44                 <prop key="hibernate.cache.use_query_cache">${hibernate.cache.use_query_cache}</prop>
45                 <prop key="hibernate.cache.use_second_level_cache">${hibernate.cache.use_second_level_cache}</prop>
46                 <!-- 由於spring也使用了Ehcache, 保證雙方都使用同一個緩存管理器 -->
47                 <prop key="hibernate.cache.region.factory_class">${hibernate.cache.region.factory_class}</prop>
48                 <prop key="net.sf.ehcache.configurationResourceName">${net.sf.ehcache.configurationResourceName}</prop>
49             </props>
50         </property>
51 
52         <property name="packagesToScan">
53             <list>
54                 <value>com.xx.xx.pojo</value>
55             </list>
56         </property>
57     </bean>
58 </beans>
    數據源2配置

     

  2. 事務的配置 
      1 <?xml version="1.0" encoding="UTF-8"?>
  2 <beans xmlns="http://www.springframework.org/schema/beans"
  3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:util="http://www.springframework.org/schema/util"
  4     xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
  5     xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
  6    http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
  7    http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"
  8     default-autowire="byName">
  9     <!-- 事務管理器配置, Hibernate多數據源事務 -->
 10     <bean id="transactionManager-hr"
 11         class="org.springframework.orm.hibernate3.HibernateTransactionManager">
 12         <property name="sessionFactory" ref="sessionFactory" />
 13     </bean>
 14 
 15     <bean id="transactionManager-pku"
 16         class="org.springframework.orm.hibernate3.HibernateTransactionManager">
 17         <property name="sessionFactory" ref="sessionFactory-pku" />
 18     </bean>
 19 
 20     <!-- 1.使用annotation定義事務 -->
 21     <!-- proxy-target-class ture:動態代理(需cglib類庫的支持) false:接口(Spring默認方式) -->
 22     <tx:annotation-driven transaction-manager="transactionManager-pku"
 23         proxy-target-class="true" />
 24     <tx:annotation-driven transaction-manager="transactionManager-hr"
 25         proxy-target-class="true" />
 26     <!-- proxy-target-class true:CGLIB代理 false:JDK代理 -->
 27     <aop:aspectj-autoproxy expose-proxy="true"
 28         proxy-target-class="true" />
 29 
 30     <!-- 2.聲明式事務配置 -->
 31     <aop:config>
 32         <aop:pointcut id="serviceMethods-pku"
 33             expression="execution(* com.wisdombud.career.business.*.*(..)) || execution(* com.wisdombud.career.business.impl.*.*(..))" />
 34         <aop:pointcut id="serviceMethods-hr"
 35             expression="execution(* com.wisdombud.wisdomhr.srv.*.*(..)) || execution(* com.wisdombud.wisdomhr.srv.impl.*.*(..))
 36             ||execution(* com.wisdombud.wisdomhr.common.srv.*.*(..)) ||execution(* com.wisdombud.common.srv.*.*(..))" />
 37 
 38         <aop:advisor advice-ref="txAdvice-pku" pointcut-ref="serviceMethods-pku" />
 39         <aop:advisor advice-ref="txAdvice-hr" pointcut-ref="serviceMethods-hr" />
 40     </aop:config>
 41 
 42     <!-- 通知 默認事務管理器：transaction-manager="transactionManager" -->
 43     <tx:advice id="txAdvice-hr" transaction-manager="transactionManager-hr">
 44         <tx:attributes>
 45             <tx:method name="find*" read-only="true" />
 46             <tx:method name="page*" read-only="true" />
 47             <tx:method name="list*" read-only="true" />
 48             <tx:method name="get*" read-only="true" />
 49             <tx:method name="plot*" read-only="true" />
 50             <tx:method name="login*" propagation="REQUIRED" read-only="true" />
 51             <tx:method name="set*" propagation="REQUIRED"
 52                 rollback-for="common.toolkit.java.exception" />
 53             <tx:method name="start*" propagation="REQUIRED"
 54                 rollback-for="common.toolkit.java.exception" />
 55             <tx:method name="process*" propagation="REQUIRED"
 56                 rollback-for="common.toolkit.java.exception" />
 57             <tx:method name="audit*" propagation="REQUIRED"
 58                 rollback-for="common.toolkit.java.exception" />
 59             <tx:method name="add*" propagation="REQUIRED"
 60                 rollback-for="common.toolkit.java.exception" />
 61             <tx:method name="save*" propagation="REQUIRED"
 62                 rollback-for="common.toolkit.java.exception" />
 63             <tx:method name="update*" propagation="REQUIRED"
 64                 rollback-for="common.toolkit.java.exception" />
 65             <tx:method name="register*" propagation="REQUIRED"
 66                 rollback-for="common.toolkit.java.exception" />
 67             <tx:method name="del*" propagation="REQUIRED"
 68                 rollback-for="common.toolkit.java.exception" />
 69             <tx:method name="change*" propagation="REQUIRED"
 70                 rollback-for="common.toolkit.java.exception" />
 71             <tx:method name="*" read-only="true" />
 72         </tx:attributes>
 73     </tx:advice>
 74     <!-- 通知 默認事務管理器：transaction-manager="transactionManager" -->
 75     <tx:advice id="txAdvice-pku" transaction-manager="transactionManager-pku">
 76         <tx:attributes>
 77             <tx:method name="find*" read-only="true" />
 78             <tx:method name="page*" read-only="true" />
 79             <tx:method name="list*" read-only="true" />
 80             <tx:method name="get*" read-only="true" />
 81             <tx:method name="plot*" read-only="true" />
 82             <tx:method name="login*" propagation="REQUIRED" read-only="true" />
 83             <tx:method name="set*" propagation="REQUIRED"
 84                 rollback-for="common.toolkit.java.exception" />
 85             <tx:method name="start*" propagation="REQUIRED"
 86                 rollback-for="common.toolkit.java.exception" />
 87             <tx:method name="process*" propagation="REQUIRED"
 88                 rollback-for="common.toolkit.java.exception" />
 89             <tx:method name="audit*" propagation="REQUIRED"
 90                 rollback-for="common.toolkit.java.exception" />
 91             <tx:method name="add*" propagation="REQUIRED"
 92                 rollback-for="common.toolkit.java.exception" />
 93             <tx:method name="save*" propagation="REQUIRED"
 94                 rollback-for="common.toolkit.java.exception" />
 95             <tx:method name="update*" propagation="REQUIRED"
 96                 rollback-for="common.toolkit.java.exception" />
 97             <tx:method name="register*" propagation="REQUIRED"
 98                 rollback-for="common.toolkit.java.exception" />
 99             <tx:method name="del*" propagation="REQUIRED"
100                 rollback-for="common.toolkit.java.exception" />
101             <tx:method name="change*" propagation="REQUIRED"
102                 rollback-for="common.toolkit.java.exception" />
103             <tx:method name="*" read-only="true" />
104         </tx:attributes>
105     </tx:advice>
106 </beans>
    事務配置

     

  3. 部分類的spring bean配置 
    1     <bean id="pku-dic-Dao" class="com.wisdombud.career.dao.impl.DicCommonDaoImpl">
2         <property name="sessionFactory" ref="sessionFactory-pku" />
3     </bean>
    類配置

     

  4. 說明與坑
    1. 多數據源主要是數據庫有多個，而業務上往往決定了需要同時進行兩個數據庫的操作，因此在配置的時候需要考慮清楚事務一致性需要在什么級別配置；
    2. spring集成hibernate進行事務配置的時候，離不開aop，而aop其實是方法級別的配置，針對某些方法進行切面。如果要切面的類繼承了另外一個類，而且父類與子類不在一個包里面，那么在執行父類方法的時候需要aop的話，aop的整體配置pointcut的時候，需要將包含父類的規則包含進來，否則spring不會生成其動態代理。


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