import org.aspectj.lang.annotation.Aspect; import org.aspectj.lang.annotation.Before; import org.slf4j.Logger; import org.slf4j.LoggerFactory; @Aspect public class LoggingAspect { private static final Logger LOGGER = LoggerFactory.getLogger(LoggingAspect.class); @Before("execution(* com.example.service.*.*(..))") public void logBeforeExecution() { LOGGER.info("Method execution is about to start."); } }