Spring框架的事务管理应用分析(2)

TransactionDefinition td = new TransactionDefinition();

TransactionStatus ts = transactionManager.getTransaction(td);

try{

　//do sth

　transactionManager.commit(ts);

}catch(Exception e){transactionManager.rollback(ts);} 

void add()

{

　transactionTemplate.execute( new TransactionCallback(){

pulic Object doInTransaction(TransactionStatus ts)

{ //do sth}

　}

} 

＜bean id = "transactionInterceptor" 

class="org.springframework.transaction.interceptor.TransactionInterceptor"＞

＜property name="transactionManager"＞＜ref bean="transactionManager"/＞＜/property＞

＜property name="transactionAttributeSource"＞

＜value＞

com.test.UserManager.*r=PROPAGATION_REQUIRED

＜/value＞

＜/property＞

＜/bean＞ 

＜bean id="userManager" class="org.springframework.aop.framework.ProxyFactoryBean"＞

＜property name="proxyInterfaces"＞＜value＞com.test.UserManager＜/value＞＜/property＞

＜property name="interceptorNames"＞

＜list＞

＜idref local="transactionInterceptor"/＞

＜/list＞

＜/property＞

＜/bean＞ 

＜bean id="userManager"

class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean"＞

＜property name="transactionManager"＞＜ref bean="transactionManager"/＞＜/property＞

＜property name="target"＞＜ref local="userManagerTarget"/＞＜/property＞

＜property name="transactionAttributes"＞

＜props＞

＜prop key="insert*"＞PROPAGATION_REQUIRED＜/prop＞

＜prop key="update*"＞PROPAGATION_REQUIRED＜/prop＞

＜prop key="*"＞PROPAGATION_REQUIRED,readOnly＜/prop＞

＜/props＞

＜/property＞

＜/bean＞