docs: @Override
      public BatchStatus getBatchStatus(long jobExecutionId) {
          BatchStatus retVal = null;
          BatchWorkUnit bwu = executingJobs.get(jobExecutionId);
          if (bwu != null) {
              retVal = bwu.getRuntimeWorkUnitExecution().getBatchStatus();
              logger.finer("Returning local BatchStatus of: " + retVal);
          } else {
              logger.finer("Local BatchStatus not found, returning <null>");
          }
          return retVal;
      }