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From the extended use case diagram, make the activity diagram of the same.

From the extended use case diagram, make the activity diagram of the same.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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From the extended use case diagram, make the activity diagram of the same.

Customer Start e-commerce portal Purchase Product Send Message to Customer Product Purchase Scenario Enter username and password Send Message to Seller Register Purchase Show Product List Confirm Purchase Enter to the product Update Information
Transcribed Image Text:Customer Start e-commerce portal Purchase Product Send Message to Customer Product Purchase Scenario Enter username and password Send Message to Seller Register Purchase Show Product List Confirm Purchase Enter to the product Update Information
NAME: User: Description Precondition Sequence Normal Postcondition Exceptions | BUY PRODUCTS User The system shall behave as described in the following use case when the User requests to buy a product on the e- commerce page. Enter the e-commerce page. • User must be registered and authenticated. Login to the website. • Data of the products already registered in the system. Action Step 1 User navigates through the website and selects the product he/she wishes to purchase. 2 User selects the product to be purchased and adds it to the shopping cart. User checks the shopping cart to verify that the products and quantities are correct. The System sends a message to the User and the seller notifying about the purchase of the product. The web page processes the payment and, if successful, a notification is sent to the user indicating that the purchase has been made. The System records the purchase transaction in the history table. 7 The System refreshes the product information (Stock). The user has made a successful purchase, the offer corresponding to the purchased product has been updated in the system. Step Action 2,4,5 If the device from which the page is accessed does not have WIFI or data connection Notifies error, until the User connects them. 3 4 5 6 8 The system displays notification message, of successful purchase, then this use case ends. E
Transcribed Image Text:NAME: User: Description Precondition Sequence Normal Postcondition Exceptions | BUY PRODUCTS User The system shall behave as described in the following use case when the User requests to buy a product on the e- commerce page. Enter the e-commerce page. • User must be registered and authenticated. Login to the website. • Data of the products already registered in the system. Action Step 1 User navigates through the website and selects the product he/she wishes to purchase. 2 User selects the product to be purchased and adds it to the shopping cart. User checks the shopping cart to verify that the products and quantities are correct. The System sends a message to the User and the seller notifying about the purchase of the product. The web page processes the payment and, if successful, a notification is sent to the user indicating that the purchase has been made. The System records the purchase transaction in the history table. 7 The System refreshes the product information (Stock). The user has made a successful purchase, the offer corresponding to the purchased product has been updated in the system. Step Action 2,4,5 If the device from which the page is accessed does not have WIFI or data connection Notifies error, until the User connects them. 3 4 5 6 8 The system displays notification message, of successful purchase, then this use case ends. E
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