code: @Override
      public WSStepThreadExecutionAggregate getStepExecutionAggregateFromJobExecutionNumberAndStepName(long jobInstanceId,
                                                                                                       short jobExecNum,
                                                                                                       String stepName) throws NoSuchJobExecutionException, JobSecurityException {
  
          if (authService != null) {
              authService.authorizedInstanceRead(jobInstanceId);
          }
          return persistenceManagerService.getStepExecutionAggregateFromJobExecutionNumberAndStepName(jobInstanceId,
                                                                                                      jobExecNum, stepName);
  
      }
docs: {@inheritDoc}