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extend in use case diagram

When we represent the use case and their interaction with actors/users through the UML(Unified modeling language), then this kind of modeling is use case diagram. After the base use cases have been identified, you can structure those use case with <> and <> use cases for better clarity. When to use “Extend” Use case diagram templates of common scenarios; Importance of Use Case Diagrams. It models the tasks, services, and functions required by a system/subsystem of an application. Use case ini berkaitan dengan sistem informasi atau software untuk mendapatkan kebutuhan fungsional melalui sistem yang bersangkutan. ... Các bước xây dựng Use Case Diagram. The «extend» relationship says that we execute the base Use Case but when we get to a specified point in the flow, if the right conditions are met, we perform some different steps. This high level design is refined again and again to get a complete and practical picture of the system. A use case diagram is used to represent the dynamic behavior of a system. Simply Click Use this Template to edit, or click Create Blank to draw from scratch. As the following figure illustrates, an extend relationship is displayed in the diagram editor as a dashed line with an open arrowhead pointing from the extension use case to the base use case. In this case, "Enroll in University" is the base use case and "Perform Security Check" is the extending use case. Below are few ways to use … UML Use Case "extend" and "include" relationships. Quan hệ Extend được sử dụng khi có một Use Case được tạo ra để bổ sung chức năng cho một Use Case có sẵn và được sử dụng trong một điều kiện nhất định nào đó. Clearly this is … Untuk memahami konsep use case diagram ini, kamu perlu tahu tentang istilah-istilah yang terdapat di dalamnya terlebih dahulu, sehingga akan lebih mudah dalam proses memahaminya. What is the use case diagram? ; Kesimpulan. Relationships among use cases: Extend: There is an optional relationship among use cases. It encapsulates the system's functionality by incorporating use cases, actors, and their relationships. <> relationship can be used to simplify large use cases by splitting it into several use cases. Kalau Extend, misalkan customer mau lihat barang, maka ketika customer mau melihat barang tidak perlu melewati proses login dan pesan barang. Use this use case diagram template to create your own diagram. In the use case diagram of Figure 1, you see the use case "Perform" extends the use case "Enroll in University," the notation for doing so is simply a normal use-case dependency with the stereotype of >. Include: There is a compulsory relationship among use cases. Use case diagram can be imagined as a black box where only the input, output, and the function of the black box is known. These diagrams are used at a very high level of design. The arrow is labeled with the keyword «extend». So for instance an UML Use Case diagram can help a lot in explaining the main functionalities of a program, either to some other technical person or to the user itself (or even to create the diagram with the user itself). UML Use Case Diagram. Extend dùng để mô tả quan hệ giữa 2 Use Case. Depending on your requirement you can use that data in different ways. ; Kalau Include, misalkan admin mau isi data barang, maka ketika admin mau isi data barang harus melewati proses login terlebih dahulu misal dengan mengisi username dan password. It can also be used to extract common parts of the behavior of two or more use cases. As mentioned before use case diagrams are used to gather a usage requirement of a system.

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