BulkCreateJobsHandler create multiple new jobs.

CleanJobsHandler is the handler to clean the stalled jobs.

CompleteJobHandler marks a job completed.

CreateJobHandler creates a new job.

GetJobsHandler gets the latest job from the database Checks if there is already a job assigned.

HeartBeatJobHandler mark job as alive.

ReadStatsJobHandler reads the current stats.

ReleaseJobHandler Releases the job after crash or problem.

StartJobHandler marks a job as started.