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Mastering jBPM6 by Arun V Gopalakrishnan, Simone Fiorini

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Events

Events are elements used to model something that happens during the process lifetime. BPMN 2.0 defines two main event categories: catching and throwing events.

  • Catching: This event represents a pausing point in the process execution: Once the process flow reaches the catching event node, it stops in the wait state, waiting for a specific trigger to happen.
  • Throwing: This event represents an action generating an event. When process execution reaches the event construct, an action is performed and a trigger is fired. For this throwing event, depending on the event type, there could be a matching catching event or not, that is, a send signal (throwing)/catch signal or send error (throwing)/catch error. On the other hand, the compensate throw ...

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