Topmusicanswers
- What is lifeline in UML?
- What is a lifeline in a sequence diagram?
- What is the use of lifeline notation in sequence diagram?
- What are lifelines and what is the symbol used for Lifeline?
What is lifeline in UML?
In UML diagrams, such as sequence or communication diagrams, lifelines represent the objects that participate in an interaction. For example, in a banking scenario, lifelines can represent objects such as a bank system or customer. Each instance in an interaction is represented by a lifeline.
What is a lifeline in a sequence diagram?
Lifelines. A lifeline represents an individual participant in a sequence diagram. A lifeline will usually have a rectangle containing its object name. If its name is "self", that indicates that the lifeline represents the classifier which owns the sequence diagram.
What is the use of lifeline notation in sequence diagram?
Lifeline Notation
They represent the different objects or parts that interact with each other in the system during the sequence. A lifeline notation with an actor element symbol is used when the particular sequence diagram is owned by a use case.
What are lifelines and what is the symbol used for Lifeline?
A lifeline is shown using a symbol that consists of a rectangle forming its "head" followed by a vertical line (which may be dashed) that represents the lifetime of the participant.
