Event Engine Configuration

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The Coolearth Event Engine is a system for scheduling tasks to run at a later date and optionally on a regular schedule. Events are created and maintained using the Events, Event Bounds, and Event Templates maintenance screens, located under the Whistle Office group in Coolearth Whistle GX Studio.


Whistle Server periodically queries the tables maintained by these screens and when it determines an event is due, it injects a transaction into the WhistleServer transaction queue. Once injected into the queue, a user may examine the state of those events, including any log messages they’ve generated, or resubmit failed events by using the Whistle Transaction Manager, also accessible through Coolearth Whistle GX Studio.

Once an event fires, an entry is made in wmEventHistory, which may be queried ad-hoc.

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