DiagramElements-Step/en

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Introduction[Bearbeiten]

A step is an action block which is placed into (instantiated in) an activity diagram. When a step receives the required data, an activity is triggered, which performs the action of block. Note that multiple activities can execute the same step and also that multiple steps can be active at the same time. This happens when new data is coming in before the first activity is finished. If the parallelism is not limited, another activity will be triggered.

In workflow literature this term is used in the same tenor. In UML literature the terms "action", "activity" and "step" are unfortunately used inconsistently. The expecco documentation strictly separates between "action block" (= action definition), "step" (= placed block) and "activity" (= executed step). Please note that a block can be placed (instantiated) several times as a step and multiple activities could be actively executing the same step's action.

Types of Steps[Bearbeiten]

Regular Steps[Bearbeiten]

Attachment Step[Bearbeiten]

Special Attributes of Steps[Bearbeiten]

Autostart[Bearbeiten]

Ignore Exception[Bearbeiten]

Skipped Execution[Bearbeiten]

Suppress Log[Bearbeiten]

See also: Block, Activity, DiagramElements-Pin, DiagramElements-Connection  

For other diagram elements see: Diagram Elements  

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