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Background/Night Job Processing
These routines provide the capability to execute
an application's processes as a job in a traditional "Batch"
environment. These jobs may be scheduled to execute at a specific
time of the day, and they may be designated as reoccurring. Night
or background processing is very useful for dispatching functions
to be executed so they do not tie up resources on a user's terminal.
It is also particularly valuable where a given set of reports or
functions need to be executed on an hourly, daily or weekly basis.
The Job Processor executes on a separate PC and
manages all aspects of job execution. This includes scheduling,
launching the runtime to execute the job, generating a Job Output
Log and displaying a Job Execution Log list. It even has a hibernation
mode so processing will not take place when system backups are in
effect.
Any application program can be easily adapted
to execute as a Batch Job. COPY modules are provided that when included
in the program, provide the appropriate calls. The program needs
to be modified to accomplish the following tasks:
- Determine from the operator whether the job should be executed
as a batch job
- Output any parameters associated to the process to a Job Parameter
file
- Dispatch itself to the Job Processor
- Detect whether executing from a terminal or as a Batch Job so
any screen I/O is skipped
- Input any parameters associated to the process from it's Job
Parameter file
All other System Management Library and Application Support Library
routines have been adapted to work both on-line and from the Batch
Processor.
Key Benefits
- Application functions that take a long time to process
can be dispatched to execute without tying up an individuals
resources on their PC
- Application functions can be designated as re-occurring,
and be automatically executed at a selected frequency
- Application functions can be scheduled to execute after
normal office hours
- Large report of print jobs can be scheduled to execute
so they might be printed at night
- Output log files can be examined to ensure that critical
operations have completed correctly
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Key Features
- Jobs may be submitted to four different Job Queues
- Jobs may be assigned different priority (Low, Medium,
High)
- Jobs may be designated as Re-Occurring to automatically
execute Hourly, Daily, Weekly or Monthly
- Re-Occurring Jobs automatically reschedule themselves.
(If any date type of parameters are used, these are automatically
adjusted)
- Any control or selection parameters associated to the
application's function are recorded in a Job Parameter text
file, (which may be modified before or after the job has
executed)
- Following the execution of a job, an Output Log file is
generated which is available for viewing
- A Job Queue Manager utility provides the ability to view
and/or change the status of any job
- The Job Processor may be launched on one or more different
processors at the same time
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