![]() The Alternative Combined Fragment (denoted «Alt») models if…then…else constructs. When the Execution Specifications are nested, the control bars are stacked from left to right:Ī combined fragment is one or more processing sequences enclosed in a frame and executed under specific named conditions. The symbol to display the at Tag on the LifelineĮxecution Specification nodes are overlaid on Lifelines and correspond to executions by the Lifeline Block/Actor. The stereotype frames are displayed below along with the menus used to specify a Tag and its value. In the following example the user specified the Lifeline stereotype's specification has two special stereotype frames that can be used to define tags to be associated with the Lifeline on the diagram. The Lifeline stereotype's specification has two special stereotype frames that can be used to define tags to be associated with the Lifeline on the diagram. ![]() The Lifeline name or Referenced Element name is displayed using the Hide replacement name checkbox in the Modelling sidebar. When the Lifeline Referenced Element is later specified, using the Rename option, an internal link is created between the «lifeline» and the selected referenced element. When producing a rapid prototype specify the Lifeline name and then later use the rename symbol option to specify the actual Block or Actor the Lifeline represents. «block » or «actor» element) is specified by the Referenced Element section as shown below. When the symbol is placed on the drawing area the Name Symbol dialog is presented to allow you to enter a lifeline object name and to specify the structural element the Lifeline symbol represents. ![]()
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