The following interceptors can be used in Application Server:

• Default interceptor
  This interceptor is applicable to all components included in EJB-JAR. The default interceptor becomes the upper level interceptor of the class level interceptor and the method level interceptor. Set this interceptor by using a DD or a property file.
  
• Class level interceptor
  This interceptor is applicable to the specified classes. The class level interceptor becomes the upper level interceptor of the method level interceptor. Set this interceptor by using an annotation, a DD, or a property file.
  
• Method level interceptor
  This interceptor is applicable to the specified business methods. Set this interceptor by using an annotation, a DD, or a property file.