New Century Health Clinic offers preventive medicine and traditional medical care. In your role as an IT consultant, you will help New Century develop a new information system. Background You began the systems analysis phase at New Century Health Clinic by completing a series of interviews, reviewing existing reports, and observing office operations.
Then, in Chapter 5, you acquired more information and developed a set of DFDs, process descriptions, and a data dictionary. Now you decide to practice the object modeling skills you learned in this chapter. Before you begin, go back to Chapter 5 and review the New Century background material and fact-finding results. Also, your instructor may provide you with a complete set of interview summaries that you can use to perform your assignments. Then complete the following tasks. Assignments
- Identify possible use cases and actors, and create a use case diagram for the New Century Health Clinic system
- Draw the use case diagram.
Unified modeling language is used for describing about software requirements. It has many advantages by which save the cost of rework and reduces delays in th
e project. It is an object-oriented approach for defining requirements of a project. In this language, different types of diagrams are used with their description, such as class diagram, state diagram, and use-case diagram. In use case diagram, basic functionality is explained though actors and use cases. Actors may be a person or a computer system of a company. After making of use case diagram of a project, it will be easy to find out complexity of the project, as well as time estimate.
In this case, there are four actors according to requirement, which are doctors, receptionist, patient, and admin. All have a separated work for managing different tasks of hospital. Activities for managing different process of hospital are manage schedule, maintain appointments, generation of patient report, search patient details, search doctors details, login to the system, and verify student status.
Use case diagram is used for checking flow of control in the project and accessibility. For managing different task, admin provide access to the receptionist and doctor to made required charges. Patient can also check their appointments and other details. It is so difficult to manage all tasks from the receptionist end, so some authorizations are provided to doctor as well as admin.
Use case diagram of New Century Health Clinic
Jacobson, . I., 1993. Object-oriented software engineering: a use case driven approach.. 2 ed. New Delhi: Pearson Education India.
Tsang, . C. H., Leung, Y. . K. & Lau, C. S., 2004. Object-Oriented Technology. New York: McGraw-Hill.
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