如何确定接口正在执行用例的Actor
[英]How to Identify Actor Where Interface is doing the usecae
问题描述
i am modeling a system of ware house management system(Assignment).In this system Most of the things are done by automated crane. 
我正在建模一个仓库管理系统（Assignment）的系统。在这个系统中，大多数事情都是由自动起重机完成的。 ok, being specific crane will read the barcode on it, its aso called licence plate. 好的，因为特定的起重机将读取其上的条形码，也称为车牌。 so, read licence plate is a USE CASE but who is the ACTOR here? 因此，阅读车牌是用例，但这里的作者是谁？ Can Crane be the ACTOR or who else. Crane可以是ACTOR还是其他人。 Help is really Appreciated... 帮助真的很感激...
1 个解决方案
解决方案1
1 2013-08-28 06:55:31
In fact it strongly depends of what you want to express. 实际上，它很大程度上取决于您要表达的内容。
UseCase are behavior of our system exposed outside. UseCase是我们的系统暴露在外部的行为。
So if you want to model "read licence plate" as a UseCase used by a crane, this implies that the crane is an Actor outside of your system. 因此，如果要将“读取车牌”建模为起重机使用的用例，则意味着起重机是系统外部的Actor。 If you want to model that the crane is a part of your system so the fact that our crane can read a licence plate you can not model it as a Usecase. 如果要对起重机是系统的一部分进行建模，以使我们的起重机可以读取车牌，则不能将其建模为用例。
Hoping it helps. 希望能有所帮助。
Regards, 问候，
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