Homework Help is Here – Start Your Trial Now!
Engineering
Computer Science
Make Sequence Diagram draw from Supermarket transaction with Type of Combined Fragments as follow: Operator Purpose alt Branches & loops loop alternative interaction repeated interaction

Make Sequence Diagram draw from Supermarket transaction with Type of Combined Fragments as follow: Operator Purpose alt Branches & loops loop alternative interaction repeated interaction

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
See similar textbooks
icon
Related questions
Question

How to answer with correct, Sequence Diagram draw from Supermarket transaction with Type of Combined Fragments as per attached based on object oriented modeling?

 

Make Sequence Diagram draw from Supermarket transaction with Type of Combined Fragments as follow: Operator Purpose alt loop Branches & loops alternative interaction repeated interaction
Transcribed Image Text:Make Sequence Diagram draw from Supermarket transaction with Type of Combined Fragments as follow: Operator Purpose alt loop Branches & loops alternative interaction repeated interaction
BaL - Alternative (alt) ▪ To model alternative sequences ▪ Guards are used to select the one path to be executed ■ Guards alt [...] [...] I ▪ Modeled in square brackets ▪ default: true ▪ predefined: [else] Multiple operands ▪ Guards had to be disjoint to avoid indeterministic behavior alt :Student opt register(matNo, exam) [status == ok] register: "ok" :StudentAdmin System [status == waiting list free] register: "w" [else] [register on WL == true] register(matNo, exam) register: "ok" register: "error" Database enter(matNo, exam) statusenter: status. enterWL(matNo, exam) enterWL: "ok" BaL- Repeated (loop) ■ To express that a sequence is to be executed repeatedly Exactly one operand Keyword loop followed by the minimal/maximal number of iterations (min..max) or (min, max) default: (*).. no upper limit I I ▪ Guard ■ Evaluated as soon as the minimum number of iterations has taken place ▪ Checked for each iteration within the (min, max) limits If the guard evaluates to false, the execution of the loop is terminated Guard loop is executed at least once, then as long as a<1 is true EXAMPLE DIAGRAM OF COMBINED FRAGMENTS AS REFERENCE TO ANSWER THE QUESTIONS! Max Min. loop(...) [...] loop(1,*) [a<1] K 1 Notation alternatives: loop (3,8)= loop (3..8) loop (8,8) loop (8) loop loop (*) = loop (0,*)
Transcribed Image Text:BaL - Alternative (alt) ▪ To model alternative sequences ▪ Guards are used to select the one path to be executed ■ Guards alt [...] [...] I ▪ Modeled in square brackets ▪ default: true ▪ predefined: [else] Multiple operands ▪ Guards had to be disjoint to avoid indeterministic behavior alt :Student opt register(matNo, exam) [status == ok] register: "ok" :StudentAdmin System [status == waiting list free] register: "w" [else] [register on WL == true] register(matNo, exam) register: "ok" register: "error" Database enter(matNo, exam) statusenter: status. enterWL(matNo, exam) enterWL: "ok" BaL- Repeated (loop) ■ To express that a sequence is to be executed repeatedly Exactly one operand Keyword loop followed by the minimal/maximal number of iterations (min..max) or (min, max) default: (*).. no upper limit I I ▪ Guard ■ Evaluated as soon as the minimum number of iterations has taken place ▪ Checked for each iteration within the (min, max) limits If the guard evaluates to false, the execution of the loop is terminated Guard loop is executed at least once, then as long as a<1 is true EXAMPLE DIAGRAM OF COMBINED FRAGMENTS AS REFERENCE TO ANSWER THE QUESTIONS! Max Min. loop(...) [...] loop(1,*) [a<1] K 1 Notation alternatives: loop (3,8)= loop (3..8) loop (8,8) loop (8) loop loop (*) = loop (0,*)
Expert Solution
steps

Step by step

Solved in 3 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Binary numbers
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
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
SEE MORE TEXTBOOKS