use-case | 易学教程

Use Case diagram - System as an Actor

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问题 Can I include the system as an actor on use case diagram? The system automatically sends emails and/or automatically updates some details of another user. 回答1: Depends. If you have a system that is responsible for sending e-mails - lets call it NOTIFY - and another system - lets call it X - that uses NOTIFY then X can be modelled as an actor of use case Send e-mail that is covered by NOTIFY. On the other hand, NOTIFY itself cannot be modelled as an actor using its own use cases. 回答2: No. The

Use-case specification of included use-case

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问题 Does anyone know how to describe (specify) the use-case that includes another usecase in the use-case specification table? For example, I have a use-case "change password" that includes use-case "login" (this is just an example, i know that login should just be in the pre-condition of the use-case) May i specify it like this? Use-case identity: Change password Actor: User Pre-condition: ... Normal flow: Do use-case "Login" .... .... .... What is the proper way to specify the use-case that

Use case diagram: of several actors of a use case, only some have access to an extending use case

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问题 How can I represent a diagram in which several actors have access to the same function, or "use case" but some of them have additional functions or "extends" (if im right) inside it, if i just extend on the main "use case" that would mean its accessible by everyone right? 回答1: When a use case extends the main use case, extension points at the main use case, can have conditions. As a condition you could specify a specific actor. If the actors can be generalized, I have seen this solution too.

Can I extend actor in use case? [closed]

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问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 7 years ago . Can I extend actor in use case? for example I have "normal user" , "student user" and "teacher user"... every use case the "normal user" uses it ,by default the "student user" and "teacher user" use it too.. so

Use case diagram: of several actors of a use case, only some have access to an extending use case

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How can I represent a diagram in which several actors have access to the same function, or "use case" but some of them have additional functions or "extends" (if im right) inside it, if i just extend on the main "use case" that would mean its accessible by everyone right? When a use case extends the main use case, extension points at the main use case, can have conditions. As a condition you could specify a specific actor. If the actors can be generalized, I have seen this solution too. But I prefer the first one because I am not sure if it is technically correct (As you noted, extend use case

Can I extend actor in use case? [closed]

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It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center . Closed 7 years ago . Can I extend actor in use case? for example I have "normal user" , "student user" and "teacher user"... every use case the "normal user" uses it ,by default the "student user" and "teacher user" use it too.. so can I extend "normal user" for "student user" and "teacher user" ? is that popular ? Thanks a lot :)

What is the difference between 'includes', 'extends' and 'uses'?

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问题 In a use case diagram what is the difference between <<includes>> , <<extends>> and <<uses>> ? Are <<includes>> and <<uses>> are the same thing? 回答1: includes and uses are the same. From http://www.agilemodeling.com/essays/useCaseReuse.htm above An include dependency, formerly known as a uses relationship in UML v1.2 and earlier 回答2: Nice writeup here: http://www.agilemodeling.com/essays/useCaseReuse.htm Summary from that article: An extending use case continues the behavior of a base use

Using inheritance patterns in JavaScript

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From my experiance, JavaScript does this: manipulating the DOM or other host objects adding event handlers doing Ajax Since I started digging into prototypal inheritance, I would like to know how it is actually used in practice. What are the use cases? Is anyone here actively using inheritance patterns? What for? (I understand that there are lots of answers to my question - I just would like to hear some of them to get the feel of using inheritance in JavaScript) My experience working with jQuery (and JavaScript before it) is that prototypical inheritance isn't as useful as I was expecting. It

What is a use-case? How to identify a use-case? [closed]

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Closed. This question is off-topic. It is not currently accepting answers. Learn more . Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 7 years ago . The question is quite generic. What are the points that should be kept in mind to identify a valid use case? How to approach a use case? Phil Miller A use case identifies, with specificity, a task or goal that users will be able to accomplish using a program. It should be written in terms that users can understand. Wikipedia's description is overly formal. I'll dig through my other texts shortly. In

Online Job Portal System Use Case Diagrams

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问题 I want to have a correct use case diagram for an online job portal system. Here is my attemp: I have some doubts: I can't see where making "Login" use case witch is an important use case for this system. This use case diagram is not showing the difference between a simple visitor and a registered one. The former could view vacancies, view advice without the obligation for having an account. The latter could view vacancies, view advice, upload CV (after be logged), apply for a job (after be