UML use case specification
2024-09-09 10:04:29 0 Report
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Outline/Content
Brief introduction
A brief description of the purpose and example of use
Event flow
The event stream includes the basic flow and alternative flows. The basic flow describes the basic process of the use case, which refers to the scenario when the use case is running "normally".
Use Case Scenario
The same use case can have many different situations in actual execution, which are called use case scenarios, or it can be said that the use case scenario is an instance of the use case.
Special needs
Special requirements refer to non-functional requirements and design constraints of a use case. Special requirements are usually non-functional requirements, including reliability, performance, usability, and scalability. For example, legal or regulatory requirements, application standards, and the quality attributes of the system being built.
Precondition
The state that the system must be in before the execution of an example. For example, a precondition is to require the user to have access rights or to require that a certain use case must have been executed.
Postcondition
A set of possible system states after the execution of a use case.
For example, it is required to execute another use case after a certain use case is executed.
For example, it is required to execute another use case after a certain use case is executed.
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