Sequence Normal Step 1 2 3 4 5 6 7 8 Action User requests the system to start the "Cancel Purchase" process. The system displays the list of the User's purchases in "in process" status. The User selects the product purchase to be cancelled. he User selects the option "Cancel". The System confirms the cancellation of the purchase, modifying the Stock of the product. The System sends a message to the User and to the seller notifying that the purchase was cancelled. The System records the cancelled purchase transaction in the history table. The web page updates the "My Purchases" section to reflect the updated status of the cancelled purchase.

Sequence Normal Step 1 2 3 4 5 6 7 8 Action User requests the system to start the "Cancel Purchase" process. The system displays the list of the User's purchases in "in process" status. The User selects the product purchase to be cancelled. he User selects the option "Cancel". The System confirms the cancellation of the purchase, modifying the Stock of the product. The System sends a message to the User and to the seller notifying that the purchase was cancelled. The System records the cancelled purchase transaction in the history table. The web page updates the "My Purchases" section to reflect the updated status of the cancelled purchase.

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

See similar textbooks

Related questions

Q: Draw a sequence diagram to represent the scenario of “using vending machine to purchase drinks”.…

A: A sequence diagram is used to explain the interactions of objects and to demonstrate the interaction…

Q: What is the difference between a scenario and a use case? When do you use each construct? Explain…

A: Use case: An example of a use case is a description of a series of actions that a system or…

Q: Generate an Activity UMLdiagram that starts with the customer connecting with the web site and ends…

A: Activity Diagram is basically a flow chart to represent the flow from one activity to another…

Q: Please think of a concrete example where the General Hierarchy Pattern can be applied (you don’t…

A: Introduction: Diagram of a Class in UML: A Class is a plan to make an object or a group of things in…

Q: A class diagram sample would be useful.

A: We must demonstrate how to draw a class diagram.

Q: A class diagram sample would be useful.

A: This is the structure of a UML class diagram:

Q: We want to write an application to administer online quizzes. For this exercise do not model a…

A: Based on the above information, there are a total of 5 classes in the UML diagram. The first one is…

Q: Accounting Department Process Scenario: We are a manufacturing company. A customer placed an order…

A: Accounting Department Process Scenario: We are a manufacturing company. A customer placed an order…

Q: Draw a partitioned activity diagram for the rent car use case of Rent-A-Car. Rent-A-Car company has…

A: A graphical representation of the activity flow within a system, process, or workflow is called an…

Q: What was the given rule for how many Activity Diagrams should be created for a full blown design in…

A: The answer is given below.

Q: Identify the Actors and the Use Cases from the customer requirements in Appendix-A . Briefly…

A: The following is the Description

Q: Examine this UML diagram and select all correct statements. Standard Response +respond(): Result B 1…

A: Here we are given a UML diagram with team member class which has a relationship defined on itself…

Q: In each iteration of the use-case diagram, a new use case MUST be added. Is this True or False?

A: The given statement is related to creating a use case diagram where the iteration of the use cases…

Q: Produce a Class Diagram and a Use case diagram for the State Patrol case. You should list…

A: Solution:-- 1)Given in the question is to give the Class diagram and Use Case diagram for the…

Q: 1a) What is the purpose of UML? 1b) How do UML diagrams work together to build a system definition?…

A: Database Diagrams: The structure of the database and the relationships between database objects are…

Concept explainers

Structured English

Structured English uses a simple English language to make structured programming easier for non-professionals. The program is divided into various parts that are known as logical statements. These statements are written in a simple English language.

Question

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

OK
Customer
Start e-commerce portal
Send message to
seller
Cancel Purchase
Scenario Cancel Purchase
Enter username
and password
Cancel purchase
Register cancelled
purchase
Select Shopping
List
Select purchase to
delete
Update
information

NAME:
User:
Description
Precondition
Sequence
Normal
Postcondition
Exceptions
CANCEL PURCHASE
User
The system shall behave as described in the following use
case when the User requests to cancel the purchase of a
product in e-commerce page.
Enter the e-commerce page.
• The user must be registered and authenticated.
Log in to the website.
The purchase status must be in process.
Action
User requests the system to start the "Cancel
Purchase" process.
Step
1
2
3
نیا
4
Vi
6
7
8
The system displays the list of the User's
purchases in "in process" status.
The User selects the product purchase to be
cancelled.
he User selects the option "Cancel".
The System confirms the cancellation of the
purchase, modifying the Stock of the product.
The System sends a message to the User and to
the seller notifying that the purchase was
cancelled.
8
The System records the cancelled purchase
transaction in the history table.
The web page updates the "My Purchases"
section to reflect the updated status of the
cancelled purchase.
The purchase selected by the user has been successfully
voided and the corresponding refund process has been
initiated.
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.
System displays notification message, of
successful Cancellation, then this use case ends.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Intoduction

VIEW

Step 2: Activity Diagram

VIEW

Step 3: Activity Diagram Explanation

VIEW

Solution

VIEW

Step by step

Solved in 4 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions

On class diagrams Examine these two diagrams; true or false? a) The right diagram has more information b) The left diagram has more information c) They are equivalent, but the right one is simpler d) They are equivalent, but the left one is simpler Availability Resources -available() schedule) +available) schedule() Vehicle Person Resources diwr0 Glbaded() slocation truckAssignment(). -current Task() Truck Employee Tools name employeeld phone skilset joblite tuckAsignmento currentlasko department VIN truck Truck Employee capacity weight department VIN rame enplopeid phone het drver sbaded() bcationt ToolKit ToolKit calegory tack
After everything is said and done, what will Al be used for? Explain briefly the main groups and provide two examples for each.
Create a CRUD matrix to check the consistency between your domain model class diagram (create it) and your complete list of use cases (create and list them). Set this out in the form of a table with classes as the columns and use cases as the rows. Weddings, Parties, Everything is a rapidly-growing online business that links together customers who need a caterer for their event with businesses that provide catering. Customers input their location and requirements, and are presented with a shortlist of potential caterers who may be able to provide what they need.WPE has been partly manual for the first few months of their operation, but now needs new system to automate business of putting together the right customer with right caterer. intend to roll system out nationally, from original base in WA. Edison Guacamole, owner/manager of WPE, has contacted you for help.two sides to system are, caterers & customers.Caterers register on WPE system by providing business name, description,…
What are the distinguishing elements of a good use case? There are some similarities between use cases and their attributes.