As you know Spring offers a mechanism called Interceptors which triggers a user 
bean whenever a certain interface call is issued internally

Spring configuration go similar to:

<bean id="idMyPointcut"   
class="org.springframework.aop.support.JdkRegexpMethodPointcut">
    <property name="pattern" value=".*aop.myBe.*" />
  </bean>

<bean id="idMyAdvice" class="sampleaop.MyMethodInterceptor" />

  <bean class="org.springframework.aop.support.DefaultPointcutAdvisor">
    <property name="advice"   ref="idMyAdvice" />
    <property name="pointcut" ref="idMyPointcut" />
  </bean>

Is something similar within ActiveMQ?

I am particularly interested in intercepting call when consumers retrieve msgs 
from a queue.

Ben











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