When using spring aop:around, how can I get return type of the pointcut method?

Question

I have a requirement now, that is when using mybatis(especially those batch execute sql), check parameter first , if the parameter is null or empty , then just return, don\'t pr

Answer 1

To get method return type/class from a ProceedingJoinPoint you can do this:

Signature signature =  proceedingJoinPoint.getSignature();
Class returnType = ((MethodSignature) signature).getReturnType();