After that, an invoice is created and sent to the customer.
Then, a shipment request is sent to the warehouse. In this tutorial, we will try to convert several general UML actions in an activity to send signal actions. While using UML action in a broad manner is not exactly wrong, using send-signal-action would reflect the truth more precisely. For example, send-signal-action is a kind of UML action that creates a signal from its input and transmits it to the next object. Some notations are sub-types of a more general one. When you realize it is a mistake, you want to correct it.ĭescribe More Precisely What You Want to Express For example, you could have incorrectly treated UML activity as UML action. You may mistakenly apply a wrong type of model element in your design. Sometimes your knowledge in modeling language falls short. Things are never perfect and so are our work. To depict that, you need to convert the atomic task to a sub-process, not only for representing its complex nature but also for making it possible to drill down the process and model its details. As the design evolves, let's just say that shipping order turns out to be much more complex than you thought and involves several sub-activities like arranging shipment, delivering goods, collecting payment, etc. If you need to model an order processing system with BPMN, you may initially use a BPMN task to model the Ship Order activity. They both model activities to do within a business process. Task and sub-process are two notations introduced by BPMN. Here are some of the situations when type conversion is needed. When the type of an element is no longer appropriate or is not the best type to express an idea, you will want to replace it with a better notation. You can always find the best notation for thorough expression. When do You Convert a Model Element Type?
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