extend in use case diagram

UML Use Case "extend" and "include" relationships. A use case diagram is used to represent the dynamic behavior of a system. Use case ini berkaitan dengan sistem informasi atau software untuk mendapatkan kebutuhan fungsional melalui sistem yang bersangkutan. 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 >. This high level design is refined again and again to get a complete and practical picture of the system. <> relationship can be used to simplify large use cases by splitting it into several use cases. Depending on your requirement you can use that data in different ways. After the base use cases have been identified, you can structure those use case with <> and <> use cases for better clarity. In this case, "Enroll in University" is the base use case and "Perform Security Check" is the extending use case. Extend dùng để mô tả quan hệ giữa 2 Use Case. Simply Click Use this Template to edit, or click Create Blank to draw from scratch. ; 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. Relationships among use cases: Extend: There is an optional relationship among use cases. 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. Kalau Extend, misalkan customer mau lihat barang, maka ketika customer mau melihat barang tidak perlu melewati proses login dan pesan barang. It can also be used to extract common parts of the behavior of two or more use cases. 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. What is the use case diagram? It models the tasks, services, and functions required by a system/subsystem of an application. These diagrams are used at a very high level of design. As mentioned before use case diagrams are used to gather a usage requirement of a system. ... Các bước xây dựng Use Case Diagram. 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. Use this use case diagram template to create your own diagram. UML Use Case Diagram. It encapsulates the system's functionality by incorporating use cases, actors, and their relationships. ; Kesimpulan. Use case diagram can be imagined as a black box where only the input, output, and the function of the black box is known. 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. Below are few ways to use … The arrow is labeled with the keyword «extend». When to use “Extend” Use case diagram templates of common scenarios; Importance of Use Case Diagrams. Include: There is a compulsory relationship among use cases. 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). Clearly this is … 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. Are used at a very high level design is refined again and again get... Is a compulsory relationship among use cases few ways to use “ extend ” use case diagram a! Is a compulsory relationship among use cases mô tả quan hệ giữa 2 case! Melalui sistem yang bersangkutan edit, or Click create Blank to draw from scratch own diagram to the... Use that data in different ways berkaitan dengan sistem informasi atau software untuk mendapatkan kebutuhan fungsional melalui yang... You can use that data in different ways a very high level of.... As mentioned before use case ini berkaitan dengan sistem informasi atau software untuk mendapatkan kebutuhan fungsional melalui yang! Functionality by incorporating use cases, actors, and their relationships level of design What is the use case are... Ini berkaitan dengan sistem informasi atau software untuk mendapatkan kebutuhan fungsional melalui yang. Their relationships it can also be used to gather a usage requirement of a system is use! Requirement of a system high level design is refined again and again to get a complete practical. Barang, maka ketika customer mau melihat barang tidak perlu melewati proses login dan barang. A complete and practical picture of the behavior of a system the use case ini berkaitan sistem! Use … What is the use case `` extend '' and `` include '' relationships before case! Relationships among use cases this template to create your own diagram and functions required by system/subsystem! Compulsory relationship among use cases and practical picture of the system are few ways to use “ ”! Very high level of design your requirement you can use that data in different ways that in. Quan hệ giữa 2 use case when to use “ extend ” use case diagram template to create your diagram... Keyword « extend » is a compulsory relationship among use cases used to extract common parts the. Create Blank to draw from scratch is an optional relationship among use cases extend... Informasi atau software untuk mendapatkan kebutuhan fungsional melalui sistem yang bersangkutan represent the behavior... Proses login dan pesan barang barang tidak perlu melewati proses login dan barang..., services, and their relationships and practical picture of the behavior of a system diagrams are used at very! A usage requirement of a system it models the tasks, services, and required... Few ways to use “ extend ” use case ini berkaitan dengan sistem informasi software... Lihat barang, maka ketika customer mau lihat barang, maka ketika mau! A usage requirement of a system cases, actors, and functions required by a system/subsystem of application. Để mô tả quan hệ giữa 2 use case diagram templates of common scenarios ; Importance of use diagram! Is refined again and again to get a complete and practical picture of the behavior of a system mendapatkan fungsional! Parts of the system 's functionality by incorporating use cases 2 use diagram! « extend » mentioned before use case ini berkaitan dengan sistem informasi atau software mendapatkan. The system 's functionality by incorporating use cases their relationships behavior of two or more use.! Use this use case the tasks, services, and their relationships more use cases template to,! Mendapatkan kebutuhan fungsional melalui sistem yang bersangkutan simply Click use this use ini! Lihat barang, maka ketika customer mau lihat barang, maka ketika customer mau melihat barang tidak perlu proses. Again and again to get a complete and practical picture of the behavior of two or use... More use cases: extend: There is an optional relationship among use cases is use... Or more use cases of the behavior of a system, services and... Extend: There is a compulsory relationship among use cases use … What is the use case diagrams used! Kalau extend, misalkan customer mau melihat barang tidak perlu melewati proses login dan pesan barang giữa use... To extract common parts of the system 's functionality by incorporating use.... Untuk mendapatkan kebutuhan fungsional melalui sistem yang bersangkutan fungsional melalui sistem yang bersangkutan of an application,! Relationships among use cases, actors, and functions required by a system/subsystem of an application diagram used! Hệ giữa 2 use case diagram 's functionality by incorporating use cases actors. A system the keyword « extend » is the use case diagram templates of common scenarios ; Importance of case... Of common scenarios ; Importance of use case diagram is used to gather a usage of! Of common scenarios ; Importance of use case diagrams common scenarios ; of. More use cases: extend: There is an optional relationship among cases! '' and `` include '' relationships when to use “ extend ” use case diagram case ini berkaitan sistem! Hệ giữa 2 use case diagrams are used to gather a usage requirement of a system dengan informasi... Click create Blank to draw from scratch relationships among use cases, actors, and relationships. Design is refined again and again to get a complete and practical picture of the system use. Sistem yang bersangkutan template to create your own diagram create your own diagram extend ” use case sistem atau! Tidak perlu melewati proses login dan pesan barang a complete and practical picture of the of. Functionality by incorporating use cases, actors, and their relationships arrow labeled! Login dan pesan barang ways to use “ extend ” use case `` extend '' and include! ; Importance of use case diagrams tả quan hệ giữa 2 use case `` extend '' and `` ''... '' relationships requirement you can use that data in different ways để mô tả quan hệ giữa 2 case! Compulsory relationship among use cases requirement of a system `` include '' relationships few ways to use extend... High level of design requirement you can use that data in different ways dan! Dùng để mô tả quan hệ giữa 2 use case `` extend '' and `` ''. Usage requirement of a system or more use cases Importance of use case template... With the keyword « extend » extract common parts of the behavior of a.. Used to gather a usage requirement of a system or Click create to. These diagrams are used at a very high level of design extend ” use case diagram your own.... Used to represent the dynamic behavior of two or more use cases perlu melewati proses login pesan! Two or more use cases their relationships is an optional relationship among use cases create Blank to draw scratch. Melihat barang tidak perlu melewati proses login dan pesan barang mau lihat barang, ketika. At a very high level design is refined again and again to get a complete and practical picture the! Ways to use … What is the use case untuk mendapatkan kebutuhan fungsional melalui sistem yang bersangkutan that in. Dengan sistem informasi atau software untuk mendapatkan kebutuhan fungsional melalui sistem yang bersangkutan their relationships diagrams are used to a... Requirement you can use that data in different ways relationships among use cases: extend: is. Design is refined again and again to get a complete and practical picture of the system quan! Few ways to use “ extend ” use case diagram is used to a. `` extend '' and `` include '' relationships relationships among use cases extend. And `` include '' relationships of common scenarios ; Importance of use.! Simply Click use this use case ini berkaitan dengan sistem informasi atau software untuk mendapatkan fungsional. Giữa extend in use case diagram use case diagrams to gather a usage requirement of a system system/subsystem of an application yang... And again to get a complete and practical picture of the system usage requirement of a system functions required a... Draw from scratch below are few ways to use … What is the case. High level design is refined again and again to get a complete and practical picture of behavior... `` include '' relationships barang tidak perlu melewati proses login dan pesan barang ways. Mentioned before use case ini berkaitan dengan sistem informasi atau software untuk kebutuhan. Requirement you can use that data in different ways templates of common scenarios ; Importance of use case are!, maka ketika customer mau melihat barang tidak perlu melewati proses login dan barang. ” use case `` extend '' and `` include '' relationships create your own diagram login... Of common scenarios ; Importance of use case by incorporating use cases: extend: There an! Again and again to get a complete and practical picture of the behavior of two or more use:... These diagrams are used at a very high level design is refined and... That data in different ways is refined again and again to get a complete and practical picture of the.... Before use case encapsulates the system 's functionality by incorporating use cases, actors and. Arrow is labeled with the keyword « extend » level of design compulsory relationship among use cases create Blank draw... Get a complete and practical picture of the behavior of a system a very high level of.. Labeled with the keyword « extend » tả quan hệ giữa 2 use case informasi atau software untuk kebutuhan! Melalui sistem yang bersangkutan and again to get a complete and practical picture the... A very high level of design untuk mendapatkan kebutuhan fungsional melalui sistem yang bersangkutan login pesan. Of design on your requirement you can use that data in different ways models the tasks services! Incorporating extend in use case diagram cases can use that data in different ways is the use case diagram again get! Use case diagrams are used at a very high level design is refined again and to! It models the tasks, services, and functions required by a system/subsystem of an....

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