Second option, that is a preferred choice when you have some guard based loop is a Loop Node. Also I've seen diagrams where the test part was just a boolean expression. The Overflow Blog Files are available under licenses specified on their description page. It is also easy to have nested loops. All structured data from the file and property namespaces is available under the Creative Commons CC0 License; all unstructured text is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply.

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""Each section is a well-nested subregion of the activity whose nodes follow any predecessors of the loop and precede any successors of the loop. Each section is a well-nested sub region of the activity whose nodes follow any predecessors of the loop and precede any successors of the loop. This diagram makes it clear that the loop-continuation condition is not evaluated until after the loop performs the action state at least once.Compare this activity diagram with that of the while statement ().

The setup section is executed once on entry to the loop, and the test and body sections are executed repeatedly until the test produces a false value. We depict a streaming action / activity by adding {stream} both to its input and its output. A loop node is a structured activity node that represents a loop with setup, test, and body sections. Yet if you present your diagram to someone who is not familiar with UML (especially if you have no chance to explain a meaning of particular structure), the last approach usually is most widely recognized and understood.Thanks for contributing an answer to Stack Overflow! There is no clear rule if after setup system shoud run first test or body.

An action / activity is count to be a streaming one if it can produce the output while processing the input at the same time. If the required Action Pin does not already exist, you can click on the In the 'Nodes' panel, click on one of the 'Setup', 'Test' or 'Body' radio buttons to list the Actions and Activities contained in the corresponding partition of the Loop Node.An element must be completely below the top edge of a partition to be listed for that partition - if it overlaps with the partition above in any way, it is treated as being part of that partition.Right-click on the Node in the diagram and select the 'Features | Interaction Points' option. The Action pins should now be visible in the diagram, attached to the Node. Test region is run at each iteration after body run and if it returns false, the loop node is exited while if it returns true then the body region is run. Here's my situation: As your loop is based on some elements (folders, documents) the most convenient way is to use Expansion Region (of iterative type). UML activity diagram might able to explain loops - in a procedural way. Stack Overflow for Teams is a private, secure spot for you and

Specification does not specify an exact method neither provide examples, at least in a relevant part of specification.

When all … A Loop Structured Activity Node is used for defining a loop, and is commonly associated with ‘While’, ‘Repeat’ or ‘For’ loop statements.The results of the final execution of the Test or Body are available after execution of the Loop is complete.A Loop Node is depicted on an Activity diagram in this way:You define the Loop nodes by dragging Action elements from the The OMG UML specification (UML Superstructure Specification, v2.1.1, pp.384-385) states:"A loop node is a structured activity node that represents a loop with setup, test, and body sections. By clicking “Post Your Answer”, you agree to our To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Featured on Meta Sign Up; ... uml tech software sequence sequence template sequence examples loop sequence. Stack Overflow works best with JavaScript enabled I have no idea if any of the free tools has this nodes.Example diagrams reflecting your case added for more clarity.btw I found "condition node" in "Modelio 3.5" it's a free softwareFor second diagram - Setup region is run once, when flow enters the node. Current syntax for activity diagram has several limitations and drawbacks (for example, it's difficult to maintain).. Get the Android App. Alternatively, we can also depict a streaming action / activity by drawing the pins as black rectangles instead of empty ones.

This page was last edited on 9 February 2017, at 06:20. "The Loop Node displays on the diagram, with the element 'Properties' dialog (if the dialog does not display, double-click on the element).Complete as many of the common element Properties fields as required, then close the 'Properties' dialog.The 'Select Pins' dialog lists only Input Pins for the 'Loop Variable Input' field and only Output Pins for the other fields. The last possibility is to simply build correctly structured decision/merge structure. The results of the final execution of the test or body are available after completion of execution of the loop. The OMG UML specification (UML Superstructure Specification, v2.1.1, pp.384-385) states: …

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UML Activity Diagram for the do... while Repetition Statement. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under The test section may precede or follow the body section. But I can see a shortage what UML will fail to describe functional expression like (map/foreach/reduce) in a simply way. Figure 5.8 contains the UML activity diagram for the do...while statement. Where developers & technologists share private knowledge with coworkersProgramming & related technical career opportunitiesThank you for your answer, I couldn't find any of the these two loops in StarUML, can you please give me a software/online tool that allow to create activity diagram like that?Well, I'm using Enterprise Architect but that's a proprietary tool.

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