java - i am trying to implement a common interface using two bean class? -

recently practicing spring aop. solving above issue trying use aop " introductions - adding functionality aspect" concepts in code using 2 bean class called "blender & fan" 2 bean implement common interface name "imachine.java" interface implement class name "machinewear.java" when run app.java class getting below exception.how can solve it??

may 09, 2016 2:11:27 pm org.springframework.context.support.classpathxmlapplicationcontext preparerefresh info: refreshing org.springframework.context.support.classpathxmlapplicationcontext@c4437c4: startup date [mon may 09 14:11:27 bdt 2016]; root of context hierarchy may 09, 2016 2:11:28 pm org.springframework.beans.factory.xml.xmlbeandefinitionreader loadbeandefinitions info: loading xml bean definitions class path resource [com/mir00r/spring/aop/beans.xml]

may 09, 2016 2:11:29 pm org.springframework.beans.factory.support.defaultlistablebeanfactory preinstantiatesingletons info: pre-instantiating singletons in org.springframework.beans.factory.support.defaultlistablebeanfactory@66a3ffec: defining beans [org.springframework.context.annotation.internalconfigurationannotationprocessor,org.springframework.context.annotation.internalautowiredannotationprocessor,org.springframework.context.annotation.internalrequiredannotationprocessor,org.springframework.context.annotation.internalcommonannotationprocessor,blender,camera,car,fan,logger,machineaspects,lens,org.springframework.aop.config.internalautoproxycreator,org.springframework.context.annotation.configurationclasspostprocessor.importawareprocessor]; root of factory hierarchy

exception in thread "main" java.lang.classcastexception: com.sun.proxy.$proxy9 cannot cast com.mir00r.spring.aop.imachine @ com.mir00r.spring.aop.app.main(app.java:44)

hare source code

/springaop/src/com/mir00r/spring/aop/app.java

package com.mir00r.spring.aop;  import org.springframework.context.support.classpathxmlapplicationcontext;  public class app {      public static void main(string[] args) {          classpathxmlapplicationcontext  context = new classpathxmlapplicationcontext("com/mir00r/spring/aop/beans.xml");           iblender blender = (iblender)context.getbean("blender");          ( (imachine) blender).start();          blender.blend();           ifan fan = (ifan) context.getbean("fan");          ( (imachine) fan).start();          fan.active(3);           context.close();     }    } 

/springaop/src/com/mir00r/spring/aop/machineaspects.java

package com.mir00r.spring.aop;  import org.aspectj.lang.proceedingjoinpoint; import org.aspectj.lang.annotation.around; import org.aspectj.lang.annotation.aspect; import org.aspectj.lang.annotation.declareparents; import org.springframework.stereotype.component;  @component @aspect public class machineaspects {     @declareparents( value = "com.mir00r,spring.aop.*", defaultimpl = com.mir00r.spring.aop.machinewear.class )     private imachine machine;      @around("within(com.mir00r.spring.aop.*)")     public void runmachine( proceedingjoinpoint jp ){         system.out.println("running........");          try {             jp.proceed();         }          catch (throwable e) {             e.printstacktrace();         }         system.out.println(".....completed");     } } 

/springaop/src/com/mir00r/spring/aop/beans.xml

<?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:aop="http://www.springframework.org/schema/aop"     xmlns:context="http://www.springframework.org/schema/context"     xsi:schemalocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd     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-3.2.xsd">      <context:annotation-config></context:annotation-config>      <context:component-scan base-package="com.mir00r.spring.aop"></context:component-scan>      <aop:aspectj-autoproxy proxy-target-class="false"></aop:aspectj-autoproxy> </beans> 

/springaop/src/com/mir00r/spring/aop/blender.java

package com.mir00r.spring.aop;  import org.springframework.stereotype.component;  @component public class blender implements iblender {     /* (non-javadoc)     * @see com.mir00r.spring.aop.iblender#blend()     */     @override     public void blend (){         system.out.println("blending........");     } } 

/springaop/src/com/mir00r/spring/aop/iblender.java

package com.mir00r.spring.aop;  public interface iblender {     public abstract void blend(); } 

/springaop/src/com/mir00r/spring/aop/fan.java

package com.mir00r.spring.aop;  import org.springframework.stereotype.component;  @component public class fan implements ifan  {     /* (non-javadoc)      * @see com.mir00r.spring.aop.ifan#active(int)     */     @override     public void active ( int level ){         system.out.println("fan running level is: " + level);     } } 

/springaop/src/com/mir00r/spring/aop/ifan.java

package com.mir00r.spring.aop;  public interface ifan {     public abstract void active(int level); } 

/springaop/src/com/mir00r/spring/aop/machinewear.java

package com.mir00r.spring.aop;  public class machinewear implements imachine {     /* (non-javadoc)      * @see com.mir00r.spring.aop.imachine#star()     */     @override     public void start (){         system.out.println("machine starting........");     } } 

/springaop/src/com/mir00r/spring/aop/imachine.java

package com.mir00r.spring.aop;  public interface imachine {     public void start(); }