method creates a job record in STATE_EMBRYO for given process_name and timeperiod
            :returns: created job record of type <Job>

def create_job(self, process_name, timeperiod):
        """ method creates a job record in STATE_EMBRYO for given process_name and timeperiod
            :returns: created job record of type <Job>"""
        job_record = Job()
        job_record.state = job.STATE_EMBRYO
        job_record.timeperiod = timeperiod
        job_record.process_name = process_name
        self.job_dao.update(job_record)

        self.logger.info('Created Job {0} for {1}@{2}'
                         .format(job_record.db_id, job_record.process_name, job_record.timeperiod))
        return job_record