jfun.yan.monitoring
Interface FunctionMonitor

public interface FunctionMonitor

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

Author:

Michelle Lei

Method Summary

void	called(Function f, java.lang.Object[] args, java.lang.Object result, long duration) This method is called right after the function is called successfully.
void	callFailed(Function f, java.lang.Object[] args, java.lang.Throwable err, long duration) This method is called after the function failed.
void	calling(Function f, java.lang.Object[] args) This method is called right before the function is called.

Method Detail

calling

void calling(Function f,
             java.lang.Object[] args)

This method is called right before the function is called.

Parameters:

f - the function to be called.

args - the arguments passed to the function.

called

void called(Function f,
            java.lang.Object[] args,
            java.lang.Object result,
            long duration)

This method is called right after the function is called successfully.

Parameters:

f - the function.

args - the arguments passed to the function.

result - the value returned by the function.

duration - excactly how long the function call takes. (in milliseconds)

callFailed

void callFailed(Function f,
                java.lang.Object[] args,
                java.lang.Throwable err,
                long duration)

This method is called after the function failed.

Parameters:

f - the function.

args - the arguments passed to the function.

err - the exception thrown out of the function.

duration - exactly how long the function call takes. (in milliseconds)