The developmental perspective of the use case model considers the real world application (Kulak and Guiney, 2012). This aspect introduces mainly three factors within it to make the impact of the use case model clear on the real world (Ambler, 2012). The use case model generally considers actors of the case, identification of the use case and interrelation of the actors within the use case. These three aspects specify the impact of the use case real life situations.
According to the case study, actors are the card users: child, pensioners and adults and the use case is the information transfer of user data related to swipe in and swipe out of travel cards.
Figure 1: Use Case Diagram for Traveling Card Payment System
(Source: Created by author)
|
Use case ID |
Primary Actor |
|
|
UC 1 |
Child user, Pensioner and Adult users |
Swipe in details |
|
UC 2 |
Child user, Pensioner and Adult users |
Swipe out details |
|
UC 3 |
Child user, Pensioner and Adult users |
Type of the users |
|
UC 4 |
Child user, Pensioner and Adult users |
Arrival |
|
UC 5 |
Child user, Pensioner and Adult users |
Destination |
|
UC 6 |
Admin |
Payment validation |
|
UC 7 |
Admin |
Payment calculation |
UC 1, UC 2
|
Use Case ID |
UC 1, UC 2 |
|
Use Case Name |
Swipe in details and Swipe out details |
|
Created by |
|
|
Date created |
|
|
Actors |
Primary actors are: Child user, Pensioner and Adult users Secondary actors are: Admin |
|
Description |
This use case checks the swiping in and swipe out details of the users in the station that decides their stating point of the journey. |
|
Trigger |
UC1- Entry of the user in the station UC2- Check out of User |
|
Preconditions |
User must enter to the station User must be registered with the system User must have swipe card |
|
Normal Flow |
At the first step the user chose the tram system for reaching his destination. After this the user swipes in the card by entering to the station and his arrival point and destination is recorded in the server. At the end of journey the user swipes the card for checking out of the station. |
|
Alternative Flows |
Internet Threat: If the systems get affected by the virus then the system can get protected by placing bridge in between the user and admin server. |
|
Exceptions |
Blocking of swipe card: There is always a separate master card to recover the blocking. Transactional error: The admin server passes a signal to overcome the transactional error with the swipe card. |
|
Includes |
Destination selection: The destination is entered by the user after swiping the card. Type of the user: User type is also entered by the user. |
|
Frequency of Use |
Once in a year |
|
Special Requirements |
The swipe card must be aware of the identification and authentication of the user while calculating the fare it should be 95 %. Transactional error must be avoided on first priority it should be about 90%. |
|
Assumptions |
Users understand either English or the regional Language. |
|
Notes and Issues |
Delayed transaction of fare Software support to user |
UC3, UC4, UC5
|
Use Case ID |
UC 3, UC 4, UC 5 |
|
Use Case Name |
Type of User, Arrival and Destination selection |
|
Created by |
|
|
Date created |
|
|
Actors |
Primary actors are: Child user, Pensioner and Adult users Secondary actors are: Admin |
|
Description |
The user enters the type of them and then the arrival and destination point entered. |
|
Triggers |
Entry of the user in the station |
|
Preconditions |
User must enter to the station User must be registered with the system User must have swipe card |
|
Normal Flow |
At the first step the user chose the tram system for reaching his destination. User swipes the card and enters the destination station. |
|
Alternative Flows |
Internet Threat: If the systems get affected by the virus then the system can get protected by placing bridge in between the user and admin server. |
|
Exceptions |
Blocking of swipe card: There is always a separate master card to recover the blocking. Transactional error: The admin server passes a signal to overcome the transactional error with the swipe card. |
|
Includes |
Destination selection: The destination is entered by the user after swiping the card. Type of the user: User type is also entered by the user. |
|
Frequency of Use |
Once in a year |
|
Special Requirements |
The swipe card must be aware of the identification and authentication of the user while calculating the fare it should be 95 %. Transactional error must be avoided on first priority it should be about 90%. |
|
Assumptions |
Users understand either English or the regional Language. |
|
Notes and Issues |
Delayed transaction of fare Software support to user |
UC 6, UC 7
|
Use Case ID |
UC 6, UC 7 |
|
Use Case Name |
Payment validation and payment calculation |
|
Created by |
|
|
Date created |
|
|
Actors |
Primary actors are: Admin Secondary actors are: child, pensioner and adult |
|
Description |
The admin checks the validity of the payment and then calculate the fare according to the type and destination of the user. |
|
Triggers |
Entry of the user in the station |
|
Preconditions |
User must enter to the station User must be registered with the system User must have swipe card |
|
Normal Flow |
At the first step the user chose the tram system for reaching his destination. User swipes the card and enters the destination station. The admin take information and validate and calculate the fare for the user. |
|
Alternative Flows |
|
|
Exceptions |
Blocking of swipe card: There is always a separate master card to recover the blocking. Transactional error: The admin server passes a signal to overcome the transactional error with the swipe card. |
|
Includes |
Payment details: these two use cases checks the payment confirmation and calculation aspect. |
|
Frequency of Use |
Once in a year |
|
Special Requirements |
The swipe card must be aware of the identification and authentication of the user while calculating the fare it should be 95 %. Transactional error must be avoided on first priority it should be about 90%. |
|
Assumptions |
Users understand either English or the regional Language. |
|
Notes and Issues |
Delayed transaction of fare Software support to user |
Figure2: Use Case Diagram for Adult Users
(Source: Created by author)
|
Use Case ID |
UC 1 |
|
Use Case Name |
Swiping in details |
|
Created by |
|
|
Date created |
|
|
Actors |
Primary actors are: Child user, Pensioner and Adult users Secondary actors are: Admin |
|
Description |
The user enters the type of them and then the arrival point entered. |
|
Triggers |
Entry of the user in the station |
|
Preconditions |
User must enter to the station User must be registered with the system User must have swipe card |
|
Normal Flow |
At the first step the user chose the tram system for reaching his destination. The arrival point is informed to the admin. |
|
Alternative Flows |
Internet Threat: If the systems get affected by the virus then the system can get protected by placing bridge in between the user and admin server. |
|
Exceptions |
Blocking of swipe card: There is always a separate master card to recover the blocking. Transactional error: The admin server passes a signal to overcome the transactional error with the swipe card. |
|
Includes |
Destination selection: The destination is entered by the user after swiping the card. Type of the user: User type is also entered by the user. |
|
Frequency of Use |
Once in a year |
|
Special Requirements |
The swipe card must be aware of the identification and authentication of the user while calculating the fare it should be 95 %. Transactional error must be avoided on first priority it should be about 90%. |
|
Assumptions |
Users understand either English or the regional Language. |
|
Notes and Issues |
Delayed transaction of fare Software support to user |
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