java - AspectJ Pointcut matching pattern -


i've written pointcut call around advice on execution of method.

however, i'd understand why final pattern used works, initial pattern didn't.

the initial pattern used (which didn't work) was:

pointcut timeit() : execution(* *.authfilter.filter(..));

the pattern works is:

 pointcut timeit() : execution(* *..*.authfilter.filter(..));

trying google difference between *. , *..*. has proved challenging. if provide either explanation or resource explains difference grateful.

it explained documentation:

aspectj type patterns

an embedded * in identifier matches sequence of characters, not match package (or inner-type) separator ".".

an embedded .. in identifier matches sequence of characters starts , ends package (or inner-type) separator ".".

basically, when used @ package level, .. means sub-packages.

your first expression matches if authfilter in second level, example, org.authfilter, not match org.security.authfilter, in case need *.*.authfilter.

your second expression matching authfilter wherever is. not matter package , sub package in.

@aspectj cheat sheet


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