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spring AOP proxy

gudii9 asked
Last Modified: 2017-09-29

I spring application context.xml why we need proxy object as below

      <bean id="proxy" class="org.springframework.aop.framework.ProxyFactoryBean">
<property name="target" ref="exampleBean"></property>
            <property name="interceptorNames">

what is the need of below property name
      <property name="interceptorNames">

where we supposed to use above property.

for @Around advise where below method is defined in API

also for loggging why below method takes JointPoint as argument?
public void logBefore(JoinPoint joinPoint){

why we use
 <context:property-placeholder and jdbcTEmplate
and also
please advise
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