func _BlockProcedure(jq, foq *Queue.Queue, lf interface{}, jdq, fdq *diskq.DiskQueue, persist bool) (mystruct.JOBINFO, error) {
switch {
case lf != nil:
return lf.(mystruct.JOBINFO), nil
case jq.Len() > 0:
if persist {
_, err := jdq.Get(false)
if err != nil {
return mystruct.JOBINFO{ID: -1, INFO: ""}, err
}
}
jobInfo := jq.Pop()
return jobInfo.(mystruct.JOBINFO), nil
}
return mystruct.JOBINFO{ID: -1, INFO: ""}, nil //no job to do,send a heartbeat job
}
