Specifies the processing model used by a
[google.dataflow.v1beta3.Job], which determines the way the Job is
managed by the Cloud Dataflow service (how workers are scheduled,
how inputs are sharded, etc).
Values:
JOB_TYPE_UNKNOWN (0):
The type of the job is unspecified, or
unknown.
JOB_TYPE_BATCH (1):
A batch job with a well-defined end point:
data is read, data is processed, data is
written, and the job is done.
JOB_TYPE_STREAMING (2):
A continuously streaming job with no end:
data is read, processed, and written
continuously.
