def pending_job(job)
      update(job_class: job.class.to_s, job_id: job.job_id, status: Hyrax::Operation::PENDING)
    end
def pending_job(job)
      update(job_class: job.class.to_s, job_id: job.job_id, status: Hyrax::Operation::PENDING)
    end
Sets the operation status to PENDING
 @param [#class, #job_id] job - The job associated with this operation
 @see Hyrax::Operation::PENDING