<?xml version="1.0" encoding="UTF-8"?> <aop> <!-- Instrument the classes for AOP --> <prepare expr="all(org.jboss.test.aop.bean.Temperature)"/> <prepare expr="all(org.jboss.test.aop.bean.LogUtil)"/> <prepare expr="all(org.jboss.test.aop.bean.ObservableTester)"/> <!-- Make the Temperature POJO a Subject/Observerable --> <bind pointcut="set(* org.jboss.test.aop.bean.Temperature->*)"> <interceptor class="org.jboss.aop.patterns.observable.SubjectInterceptor"/> </bind> <introduction class="org.jboss.test.aop.bean.Temperature"> <mixin> <interfaces>org.jboss.aop.patterns.observable.Subject</interfaces> <class>org.jboss.aop.patterns.observable.SubjectImpl</class> <construction>new org.jboss.aop.patterns.observable.SubjectImpl(this)</construction> </mixin> </introduction> <!-- Make the LogUtil an Observer --> <introduction class="org.jboss.test.aop.bean.LogUtil"> <mixin> <interfaces>org.jboss.aop.patterns.observable.Observer</interfaces> <class>org.jboss.test.aop.bean.LogUtilObserver</class> <construction>new org.jboss.test.aop.bean.LogUtilObserver(this)</construction> </mixin> </introduction> </aop>