code: @Override
      public WSStepThreadExecutionAggregate getStepExecutionAggregateFromJobExecution(
                                                                                      long jobExecutionId, String stepName) throws NoSuchJobExecutionException, JobSecurityException {
  
          if (authService != null) {
              authService.authorizedExecutionRead(jobExecutionId);
          }
          return persistenceManagerService.getStepExecutionAggregateFromJobExecutionId(jobExecutionId, stepName);
      }
docs: {@inheritDoc}