/**

 * springboot 之 註解式宣告事務,使用宣告式事務配置，可以有效規範程式碼

 * @author Administrator

 */

@Configuration

public class ApplicationContextTransactional {

      //事務方法超時時間設定

      private static final int TX_METHOD_TIMEOUT

      //AOP切面的切點表示式

      private static final String AOP_POINTCUT_EXPRESSION = "execution(* com.baihoo.springboot.service.impl.*.*(..))";

      //注入事務管理器

      @Autowired

      private

      /**

       * 增強(事務)的屬性的配置

       *       isolation:DEFAULT  :事務的隔離級別.

       *       propagation              :

       *       read-only                        :false.不是隻讀

       *       timeout                          :-1

       *       no-rollback-for         :發生哪些異常不回滾

       *       rollback-for                    :發生哪些異常回滾事務

       * @return

       */

      @Bean

      public TransactionInterceptor txAdvice() {

           /*增強(事務)的屬性的配置

            * <tx:attributes>

            * */

           NameMatchTransactionAttributeSource txAttributeS = new NameMatchTransactionAttributeSource();

           /*propagation="REQUIRED" , timeout=5 ;rollback-for=".. , .."配置*/

           RuleBasedTransactionAttribute requiredAttr = new RuleBasedTransactionAttribute();

      requiredAttr.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);

           requiredAttr.setTimeout(TX_METHOD_TIMEOUT);

           requiredAttr.setRollbackRules(Collections.singletonList(new RollbackRuleAttribute(Exception.class)));

           /*propagation="SUPPORTS" , readOnly="true"配置*/

           RuleBasedTransactionAttribute supportsAttr = new RuleBasedTransactionAttribute();

      supportsAttr.setPropagationBehavior(TransactionDefinition.PROPAGATION_SUPPORTS);

           supportsAttr.setReadOnly(true);

           /*

            注意：方法名稱來自類匹配的到方法

                【save*, “*”表示匹配任意個字元】

                <tx:method .../>

            */

           Map<String , TransactionAttribute>   txMethod = new HashMap<String , TransactionAttribute>();

           txMethod.put("save*", requiredAttr);

           txMethod.put("add*", requiredAttr);

           txMethod.put("insert*", requiredAttr);

           txMethod.put("update*", requiredAttr);

           txMethod.put("transfer*", requiredAttr); //對service層的轉賬業務方法開啟事務增強通知

           txMethod.put("find*", supportsAttr);

           txMethod.put("select*", supportsAttr);

           txMethod.put("get*", supportsAttr);

           txAttributeS.setNameMap(txMethod);

           TransactionInterceptor txAdvice = new TransactionInterceptor(transactionManager , txAttributeS);

           return txAdvice;

      }

      /**

       * AOP配置定義切面和切點的資訊

       * @return

       */

      @Bean

      public Advisor txAdviceAdvisor() {

           AspectJExpressionPointcut pointcut= new AspectJExpressionPointcut();

           pointcut.setExpression(AOP_POINTCUT_EXPRESSION);

           return new DefaultPointcutAdvisor(pointcut , txAdvice());

      }

}

<?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:context="http://www.springframework.org/schema/context"

      xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"

      xsi:schemaLocation="http://www.springframework.org/schema/beans

      http://www.springframework.org/schema/beans/spring-beans.xsd

      http://www.springframework.org/schema/context

      http://www.springframework.org/schema/context/spring-context.xsd

      http://www.springframework.org/schema/aop

      http://www.springframework.org/schema/aop/spring-aop.xsd

      http://www.springframework.org/schema/tx

      http://www.springframework.org/schema/tx/spring-tx.xsd">

      <!--

      使用宣告式事務配置，可以有效規範程式碼

       -->

       <!--

       配置事務管理器

        -->

        <bean id="dataSourceTransactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

           <!-- 注入連線池的物件,通過連線池物件建立模板. -->

           <property name="dataSource" ref="dataSource"></property>

        </bean>

        <!--

        宣告式配置事務通知

         -->

        <tx:advice id="txAdvice" transaction-manager="dataSourceTransactionManager">

               <!-- 增強(事務)的屬性的配置 -->

               <tx:attributes>

                     <!-- 注意：方法名稱來自類匹配的到方法

                      【save*, “*”表示匹配任意個字元】

                  -->

                     <tx:method name="save*" propagation="REQUIRED"/>

                     <tx:method name="add*" propagation="REQUIRED"/>

                     <tx:method name="insert*" propagation="REQUIRED"/>

                     <tx:method name="update*" propagation="REQUIRED"/>

                     <tx:method name="delete*" propagation="REQUIRED"/>

                     <tx:method name="find*" propagation="SUPPORTS" read-only="true"/>

                     <tx:method name="select*" propagation="SUPPORTS" read-only="true"/>

                     <tx:method name="get*" propagation="SUPPORTS" read-only="true"/>

               </tx:attributes>

        </tx:advice>

        <!-- aop配置定義切面和切點的資訊 -->

        <aop:config>

               <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.baihoo.ssm.service.impl.*.*(..))"/>

        </aop:config>

</beans>