How would you write a pointcut expression to match all methods annotated with @Transactional in any class inside com.example and its subpackages?

hard📝 Application Q9 of 15

Spring Boot - Aspect-Oriented Programming

How would you write a pointcut expression to match all methods annotated with @Transactional in any class inside com.example and its subpackages?

A@annotation(org.springframework.transaction.annotation.Transactional) && within(com.example..*)

Bexecution(@Transactional * com.example..*.*(..))

C@within(org.springframework.transaction.annotation.Transactional) && within(com.example..*)

Dexecution(* com.example..*.*(@Transactional))

Step-by-Step Solution

Solution:

Step 1: Use @annotation to match method-level annotations
@annotation matches methods annotated with the specified annotation.
Step 2: Restrict to package and subpackages
within(com.example..*) limits matching to the package and its subpackages.
Final Answer:
@annotation(org.springframework.transaction.annotation.Transactional) && within(com.example..*) -> Option A
Quick Check:
Method annotation match with package limit = @annotation(org.springframework.transaction.annotation.Transactional) && within(com.example..*) [OK]

Quick Trick: Use @annotation for method annotations, within for package [OK]

Common Mistakes:

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