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Introduction
Orders
- An Order is a JobScheduler object that
- works as a trigger for a job chain, i.e. it makes a job chain run and it is passed from one job chain node to the next.
- can include a start event:
- a time based event that is triggered based on a date and time or frequency rule for execution of the order.
- a file event that is created with the arrival of an incoming file from a monitored directory.
- an external event that is triggered from some application via the JobScheduler XML Interface or from the command line.
- can include parameters that are used in subsequent jobs:
- such parameters are available to all job nodes in a job chain.
- parameters can be overwritten, deleted or new parameters can be added to the order at each job node.
- all the order parameters are also available as environment variables, thus an order parameter added by a Java application job will be accessible to a shell script job or a PL/SQL script job.
- An order can start from any step (default is first step) in a job chain and end at any step (default is last step/end node). It can also skip part of the job chain according to specified conditions.
- JobScheduler assigns each order run a unique ID. This is exposed by the SCHEDULER_ORDER_HISTORY_ID environment variable and the order.history_id read-only API property.
See
JS-1513
-
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Order Example