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One of the methods to implement dependencies between job chains is using an event handler. Whenever an event is generated an entry is made into the data base table scheduler_events. In the event handler the conditions are defined to add an order for the job chain to be startet.
Notice that the event service will not work with data base H2.
Event service
Before events can be used the event service has to be installed. It is part of the JobScheduler installation if ordered within the installation procedure.
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But it is also possible to install the event service in an existing JobScheduler instance . For more information for this purpose have a look at How to install the Event Service feature in JobScheduler
The job chain scheduler_event_service is running in predetermined intervals or whenever an event is created and checks all .xml data files in folder $SCHEDULER_DATA/config/events for information matching the active events which are stored in the data base table .
Event handler