Study Cards on transition, state, behavior
Such states are typically named, as “Waiting,” “Cruising,” or “Illuminating.”
They are usually named with the gerund form of the verb (ending in “ing”) or in some similar manner
- either receiving an incoming event that triggers a transition
- or by finishing their behavior(s).
This implied trigger is an example of a COMPLETION EVENT, an event capable of triggering a transition without an explicit event on the transition.
We call these transitions COMPLETION TRANSITIONS, though they are often referred to as AUTOMATIC TRANSITIONS as they appear to start without an event.
There can be many completion transitions from the same state if they each have different guard conditions. If more than one guard evaluates to true, it is unpredictable which transition would be taken and the diagram is considered ill-formed.
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