Trigger patterns
Trigger patterns are a set of patterns that deal with external signals. We will just list the pattern features; however, you will find various occurrences in this book where these patterns are used. There are two variants of trigger patterns: transient trigger and persistent trigger.
Transient trigger pattern
The following table summarizes Transient Trigger Patterns:
Signature |
Transient Trigger Patterns |
Classification |
Trigger Patterns |
Intent |
The explicit initiation/termination of a task (activity/subprocess) by a signal from the same process or from an external environment. |
Motivation |
There are cases when an external signal arrives at the process or the process itself raises a signal. However, these signals will be ... |
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