Signature

Cancel Activity Pattern

Classification

Cancellation Pattern

Intent

To cancel process activities.

Motivation

Based on the process status or business logic, there are requirements to cancel certain activities of the process.

Applicability

The cancel activity pattern is a useful cancelation pattern as it will allow you to initiate the cancellation of activities based on business requirements. An activity can only be cancelled when it's active; hence, when we initiate the cancellation for an activity, make sure that the activity is running in the instance.

Implementation

We can use event subprocesses and boundary catch events. The following section includes a implementation sample for this pattern.

Known issues

Makes it certain that the request to cancel an activity must result in the cancellation of the activity in the process instance for which it is...