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Object Oriented Analysis and Design Project: Library Management System (LMS)

Object Oriented Analysis and Design Project: Library Management System (LMS). Submitted By: Memon Khurshed (Group Leader) - 2011194008 Hamed Abdollahpur 2011194006 Sherzod Rakhmatov 2011511001. Contents. Introduction Design Use Case Diagrams, Use Case Text Class Diagrams

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Object Oriented Analysis and Design Project: Library Management System (LMS)

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  1. Object Oriented Analysis and DesignProject: Library Management System (LMS) Submitted By: Memon Khurshed (Group Leader) - 2011194008 Hamed Abdollahpur 2011194006 Sherzod Rakhmatov 2011511001

  2. Contents • Introduction • Design • Use Case Diagrams, Use Case Text • Class Diagrams • Sequence Diagrams • State Chart Diagrams • Activity Diagrams • Implementation • Desktop-based • Web-based

  3. Introduction • Apply OOAD concepts on Library Management System • Analysis emphasizes an investigation of the problem rather than how a solution is defined (WHAT?) • Design emphasizes a logical solution, how the system fulfills the requirements (HOW?)

  4. Use Case Diagrams - LMS

  5. Use Case Text - LMS • Use Case: UC0004 – Add new book • Scenario Name: Add new book • Main Actor: Librarian • Pre-condition: Logged in the system and have book to add • Post-condition: Book is entered in the system • Main Scenario: • Librarian: Click add new book • System: Show dialog to add new book • Librarian : Fill book name, author, isbn and other details • User: Click add button to save new book • System: saves new book information

  6. Use Case- Add New Book... Alternative conditions and paths 4a. 1) System throws an error if any of compulsory field left empty 5a. 1) System unable to add new book due to database problem or Persistance problem

  7. Use Case - Borrow Book Scenario Name: Borrow book Main Actor: Librarian Pre-condition: Logged in the system and have book to issue to patron Post-condition: Book is removed from the sytem Main Scenario: • Librarian: clicks on borrow a book • System shows borrow book page • Librarian enters patron informatin • System verifies patron information and return patron details • Librarian enters book code to borrow and clicks submit • System verifies book existance in the system • System: updates book status and update patron information

  8. Use Case- Borrow Book... Alternative conditions and paths 4a. 1) System could not verify patron information System requests librarian to enter valid PatronId 4a. 2) System can not found patronId System requests librarian to register patron first 5a. 1) Librarian clicks on submit without entering book code System requests librarian to enter book code 6a. 2) System can not found book System requests librarian to add book in the system

  9. Use Case - Search Book Scenario Name: Search book Main Actor: Librarian Pre-condition: Logged in the system Post-condition: Book exists in the system Main Scenario: • Librarian: clicks on search book • System shows search dialog box • Librarian: Enter book name, author, or ISBN • Librarian: Click search • System: Shows founded books list

  10. Use Case- Search Book... Alternative conditions and paths 4a. 1) System: if not found books by name, author or ISBN. System shows message ‘Not found’

  11. Use Case – Return Book Scenario Name: Return book Main Actor: Librarian Pre-condition: Logged in the system and have book to return Post-condition: Book added in the system Main Scenario: • Librarian: clicks on return book • System shows return book dialog • Librarian: Enter book code • Librarian: Click on return book • System: updates book status and Patron information

  12. Use Case- Return Book... Alternative conditions and paths 4a. 1) System: if not found books by code. System shows message ‘Not found’. 4a. 2) System unable to update book or patron information due to database problem

  13. Use Case – Add New User • Use Case: UC0009 – Add New User • Scenario Name: Add New User • Main Actor: Administrator • Pre-condition: Logged-in the system • Post-condition: New user has been added • Main Scenario: • Administrator: clicks on add new user • System: shows add new user dialog • Administrator: enters user information • Administrator: clicks on submit • System: verifies user details and save new user in the system • Alternative conditions and paths • 4a. 1) Administrator clicks on submit without enter user information System requests administrator to provide valid user information • 5a. 1) System shows “user already exists” message as provided username already exists

  14. Domain Model - LMS • In the domain model only the noteworthy conceptual classes are included. • A simplified representation of library management system’s domain model

  15. Class Diagram - LMS

  16. Sequence Diagram - LMS • Collaboration diagrams illustrate object interaction in a graph or network format. • Types: • Sequence diagrams • Communication Diagrams Sequence Diagrams: Clearly shows sequence or time ordering of message;

  17. Sequence Diagram – Add Book

  18. Sequence Diagram – Borrow a Book

  19. Sequence Diagram – Return Book

  20. Sequence Diagram – Search Book

  21. StateChart Diagrams - LMS • A state diagram describes how a certain entity changes state as a result of various events. • Diagram showing how something changes from one state to anothe • Good for finding missing or obscure functions. • Use only for complex life cycles.

  22. Book State- LMS

  23. Patron State- LMS

  24. Activity Diagrams - LMS • A diagram showing the flow of control and the flow of data (objects). • Handles concurrency and synchronization • Useful as requirements for workflow applications.

  25. Activity Diagrams – Add Book

  26. Activity Diagrams – Borrow Book

  27. Activity Diagrams – Return Book

  28. Activity Diagrams – Search Book

  29. Activity Diagrams – Add New User

  30. Implementation • We will go through our Project Implementation

  31. Thanks

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