RE: Tapestry decorator with marker

Minor correction:

I meant to type:

@Marker(TimeIt.class)
public class ASpecificManagerImpl implements ASpecificManager {...}

in my email.. (and not Timer.class...)

(My question is still the same...thanks)


From: Labhesh Ramchandani
Sent: Sunday, September 02, 2018 8:56 PM
To: '[email protected]'
Subject: Tapestry decorator with marker

Hi,

I've written a simple decorator as follows (in my app module):
  @Decorate
  @TimeIt
  public static <T> T decorateTimer(Class<T> serviceInterface, T delegate,
      String serviceId, Logger logger,
      TimerDecorator decorator) {
    return decorator.build(serviceInterface, delegate, serviceId, logger);
  }

With the marker definition as:

@Target({ElementType.TYPE, ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
@Documented
@UseWith(AnnotationUseContext.SERVICE)
public @interface TimeIt {
}


And here's how I use it:

@Marker(Timer.class)
public class ASpecificManagerImpl implements ASpecificManager {

public void methodA() {...}

public void methodB() {...}
}

Is there a way to annotate just the specific method? I don't want to time all methods...just the ones that have the marker on them?
In the example above; I'd like to decorate (and time) just method A and not B; how can I do that? Also how do I get the methodReciever to log the name of the specific methodA being timed?

My timing advisor looks like this

  public <T> void addTimingAdvice(MethodAdviceReceiver methodAdviceReceiver, Class<T> serviceInterface, Logger logger) {
    MethodAdvice advice = invocation -> {
      long start = System.currentTimeMillis();
      invocation.proceed();
      long end = System.currentTimeMillis();
      logger.info(serviceInterface.getName() + " took: " + (end - start) + " [ms]");
    };
    methodAdviceReceiver.adviseAllMethods(advice);
  }

Thanks


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