how to create class, activity and state diagram

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Learning Doc :Case Study Library Management

How to create class diagram ,Activity Diagrams based on requirements


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1. Why this doc ?

This document provides a detailed design of the system. Please refer to the requirement analysis document and high level design document for the overall view and high level design of the system. This document concentrates on the detailed design of the system, including database connection, programming platform, activities diagrams of whole system and each operation of each class.

2. On what programming platform

The system can/will be written in Java language.One can develop system in any programming platform also other wise . This software is going to be system-independent and can be run in both MS Windows and Unix system. During development process we will use the MS Windows system.

3. Database requirements

The database being used is the MySQL database system, and the connection to the database is made by Java’s JDBC interface. The tables will be created using SQL statements; the runtime SQL will be sent to database and the query result will be sent back to application by JDBC connection.

4. Database tables

T_MyListcallNo : VARCHAR(255)

<<PK>> PK_T_MyList3()

T_StudentstudentID : VARCHAR(255)name : VARCHAR(255)street : VARCHAR(255)city : VARCHAR(255)zipCode : VARCHAR(255)state : VARCHAR(255)phoneNo : VARCHAR(255)lateFeeTotal : DOUBLE(64)

<<PK>> PK_T_Student0()

T_BookcallNo : VARCHAR(255)ISBN : VARCHAR(255)title : VARCHAR(255)author : VARCHAR(255)status : VARCHAR(255)

<<PK>> PK_T_Book2()

T_Transaction

transctionID : VARCHAR(255)studentID : VARCHAR(255)callNo : VARCHAR(255)checkOutDate : TIMESTAMPcheckInDate : TIMESTAMPfines : DOUBLE(64)COL_0 : VARCHAR(255)COL_1 : VARCHAR(255)

<<PK>> PK_T_Transactio1()<<FK>> FK_T_Transactio1()<<FK>> FK_T_Transactio0()<<Index>> TC_T_Transactio3()<<Index>> TC_T_Transactio1()

1 0..*1 0 ..*

<<Non-Identifying>>

10..* 10..*

<<Non-Identifying>>






5. Classes

5.1 Class Diagram

MyList

callNo : String

addToMyList()deleteFromList()viewList()

Student

studentID : Stringname : Stringstreet : Stringcity : StringzipCode : Stringstate : StringphoneNo : StringlateFeeTotal : DoubleborrowedBook : Integer

addStudent()validateNewStudent()search()update()delete()

Transaction

t ransctionID : StringstudentID : StringcallNo : StringcheckOutDate : DatecheckInDate : Datefines : Double

checkin()checkout()

n 1n 1

Book

callNo : StringISBN : Stringtitle : Stringauthor : Stringstatus : String

addBook()validate()search()update()delete()

n1 n1






5.2 Class Design Details

Student Class :

This class encapsulates all student related operations and details.

Student

studentID : Stringname : Stringstreet : Stringcity : StringzipCode : Stringstate : StringphoneNo : StringlateFeeTotal : DoubleborrowedBook : Integer

addStudent(studentID, name, street, city, zipCode, state, phoneNo) : BooleanvalidateNewStudent() : Integersearch(studentID, name) : Objectupdate(name, studentID, street, city, zipCode, state, phoneNo) : Booleandelete(studentID) : Boolean

Book Class :






This class encapsulates all Book related operations and details.

Book

callNo : StringISBN : Stringtitle : Stringauthor : Stringstatus : String

addBook(callNo, ISBN, title, author) : Booleanvalidate() : Integersearch(callNo, ISBN, title, author) : Objectupdate(callNo, ISBN, title, author) : Booleandelete(callNo) : Boolean

Transaction Class :

This class encapsulates a single transaction, and maps a student to a book which has been checked out. All associated details of a transaction are also stored in this class (late fees, checkin, checkout dates).

Transaction

transctionID : StringstudentID : StringcallNo : StringcheckOutDate : DatecheckInDate : Datefines : Double

checkin(callNo) : Booleancheckout(studentID, callNo) : Boolean

MyListClass :






This class encapsulates the usecases related to maintaing a temporary subset of user selected books during a search operation.

MyList

callNo : String

addToMyList(callNo) : BooleandeleteFromList(callNo) : BooleanviewList() : Object






6. Activity diagrams/State diagrams 6.1 State diagram of whole system

Main Menu1

Enter Book Info14

do/ Insert a student into DB

Add a book

Enter books. student Info13

do/ Check In, Check Out

Enter Search Info2

Reset

Search books

Display Results3

entry/ Search books in DB

Display Book Detail4

do/ Update, Delete

Display MyList5

exit/ Send from List message

Update/Delete

Enter Student Info7

do/ Insert student into DB

Add a student

Enter Search Info11

Search students

Display Results12

entry/ Search students in DB

Update Detail60

do/ Update,Delete

Update,Delete

Totally 12 windows.All states except "Display Exit Info" can go back to Main Menu.

Display Exit Info

Exit

Help ContentGet Help

Search

Back

View Detail / UpdateDelete

Check In/Out

Check In/Out

View Mylist

Search

New Search

Check In/Out

View Detail

Add to list

Back

Add to list

Check In/Out






6.2 Activity diagram of each operation 6.2.1 Student class • AddStudent : add a new student

validateStudent

add the student record to Student table

return error message

return success message

[ not exists ]

[ exists ]

• DeleteStudent : delete an existing student

validateStudent

delete the student record to Student table

return error message


[ exists ]

[ not exists ]

• UpdateStudent : update information of existing student






Update the student record in the Student table

• SearchStudent : search students

Query the student record in Student table

return Resultset

• ValidateStudent : validate student






Query the student in Student table according to studentID

Return Resultset

Return false

[ empty ]

Return true[ not empty ]






6.2.2 Book class addBook: Add a new book in database

Check Book record in database

exist

Insert book record in database

no

Return "Book already exist" message

yes







exist: Check if the book record already exist in database.

Search Book record in database

found record?

return exist message

yes

return not exist message

no






searchBook: Search books in database

search book record in database

return resultset

updateBook: modify book info






update record in database


deleteBook: Delete a book in database






check existence

exist?

delete the record

yes


return fail message

no






6.2.3 Transaction class checkIn() : check in one book

SQL Statement (Update.....)

Exception?Print "error message"

return true return false

No

Yes






checkOut() : check out one book

SQL Statement (Update.....)



No

Yes






6.2.4 MyList class addTolist() : add one book to mylist

SQL Statement (Insert.....)



No

Yes






deleteFromList() : delete one book from mylist

SQL Statement (Delete.....)



No

Yes






Mylist.viewList() : retrieve books in mylist

SQL Statement (Select....)



No

Yes

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1 Business Performance Reporting 2 Case Management for Government Agencies 3 Classroom Management 4 Clinical Trial Initiation and Management 5 Competitive Analysis Web Site 6 Discussion Forum website 7 Disputed Invoice Management 8 Employee Training Scheduling and Materials 9 Equity Research Management 10 Integrated Marketing Campaign Tracking 11 Manufacturing Process Managements 12 Product and Marketing Requirements Planning 13 Request for Proposal Software 14 Sports League Management 15 Absence Request and Vacation Schedule Management 16 Budgeting and Tracking Multiple Projects






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58. Survey Creation and Analytics 59. Museum Management System 60. Multi-Level Marketing System 61. Learning Management System 62. Knowledge Management System 63. Missing Person Site 64. Disaster Management Site 65. Job Management Site 66. Financial Portfolio Management 67. Market Research Management 68. Order Management System 69. Point of Sale 70. Advertisement /Banner Management and Analytics 71. Export Management System 72. Invoice Management 73. Recruitment Management System 74. Articles / Blog / Wiki Web site 75. Online Planner 76. Mock Tests and Examination Management 77. Examination System 78. Practice Test Management. 79. Asset Management System 80. Travel Agency System. 81. Placement Management System. 82. Polls Management 83. Customer Management 84. Project Management System. 85. Network Marketing System 86. Yoga Health Care Management 87. Personal Finance Management System 88. Real Estate Management System 89. Stock Mutual Funds Management 90. Careers and Employment Management System 91. Music Albums Management System 92. Classified Ads Managements 93. Property Management System 94. Sales & Retail Management 95. Dating Site 96. Hotel Management System 97. Search Engine 98. Online News Paper Site 99. Image Gallery






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143.Lost & Found Management System 144. Online Tutorials Management System 145.Bulk Sms Application 146. Criminal Records management System 147. Email Campaign Management System 148.Political Campaign Management System 149. Skill Competence and Mapping Application 150. Ontology based Web Crawler

how to create class, activity and state diagram

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