jfun.yan.monitoring
Interface MethodMonitor

All Known Subinterfaces:

ComponentMonitor

All Known Implementing Classes:

NopComponentMonitor

public interface MethodMonitor

This interface represents something that monitors the invocation of a method.

Author:

Michelle Lei

Method Summary

void	invocationFailed(java.lang.Object obj, java.lang.reflect.Method mtd, java.lang.Object[] args, java.lang.Throwable err, long duration) This method is called after the target method failed.
void	invoked(java.lang.Object obj, java.lang.reflect.Method mtd, java.lang.Object[] args, java.lang.Object result, long duration) This method is called after the target method is successfully executed.
void	invoking(java.lang.Object obj, java.lang.reflect.Method mtd, java.lang.Object[] args) This method is called right before the target method is invoked.

Method Detail

invoking

void invoking(java.lang.Object obj,
              java.lang.reflect.Method mtd,
              java.lang.Object[] args)

This method is called right before the target method is invoked.

Parameters:

obj - the object to which the target method belongs.

mtd - the target method.

args - the arguments passed to the target method.

invoked

void invoked(java.lang.Object obj,
             java.lang.reflect.Method mtd,
             java.lang.Object[] args,
             java.lang.Object result,
             long duration)

This method is called after the target method is successfully executed.

Parameters:

obj - the object to which the target method belongs.

mtd - the target method.

args - the arguments passed to the target method.

result - the return value from the target method.

duration - exactly how long it took to execute the target method. (in milliseconds)

invocationFailed

void invocationFailed(java.lang.Object obj,
                      java.lang.reflect.Method mtd,
                      java.lang.Object[] args,
                      java.lang.Throwable err,
                      long duration)

This method is called after the target method failed.

Parameters:

obj - the object to which the target method belongs.

mtd - the target method.

args - the arguments passed to the target method.

err - the exception thrown out from the target method.

duration - exactly how long it took to execute the target method. (in milliseconds)