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package test;
import org.aspectj.lang.annotation.*;
@Aspect
class Monitor {
@Pointcut("execution(@PerformenceMonitor * *(..)) && @annotation(monitoringAnnot)")
public void monitored(PerformenceMonitor monitoringAnnot) {}
@Around("monitored(monitoringAnnot)")
public Object flagExpectationMismatch(ProceedingJoinPoint pjp, PerformenceMonitor monitoringAnnot) {
long start = System.nanoTime();
Object ret = pjp.proceed();
long end = System.nanoTime();
if(end - start > monitoringAnnot.expected()) {
System.out.println("Method " + pjp.getSignature().toShortString() + " took longer than expected\n\t" +
"Max expected = " + monitoringAnnot.expected() + ", actual = " + (end-start));
}
return ret;
}
}
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