design two diagrams one for the view layer and one for the data access layer like in the image for the "making a reservation through a web interface of a Car Sharing IS"
design two diagrams one for the view layer and one for the data access layer like in the image for the "making a reservation through a web interface of a Car Sharing IS"
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
Related questions
Question
Using Visual Paradigm design two diagrams one for the view layer and one for the data access layer like in the image for the "making a reservation through a web interface of a Car Sharing IS"
Please do not use
Transcribed Image Text:FIGURE 11-14 Partial sequence diagram for the Fill shopping cart use case with view layer
Customer
«<view»
SearchltemWindow
I addItemToCart
! (promoNo, prodID, size, color, qty)
I
I
addItem ToCart
(promoNo, prodID, size, color, qty)
1
«<view»
:Displayltem Window
(description, price, extended Price)
«view»
:ViewAccessWindow
! addAccessory ToCart
(promoNo, prodID, size, color, qty)
addAccessory ToCart
(promoNo, prodID, size, color, qty)
«view»
:Displayltem+AccessWindow
(description, price, extended Price)
«<view»
:AdditemWindow
addItem ToCart
(promoNo, prodID, size, color, qty)
i(description, price, extended Price)
«<view»
CustLoginWindow custinfo = requestCustID()
«view»
:AddAccessWindow
I
addAccessory ToCart
(promoNo, prodID, size, color, qty)
:CartHandler
(description, price, extended Price)
![FIGURE 11-13 Sequence diagram for the Fill shopping cart use case with data access layer
Customer
:CartHandler
addItem ToCart
(promoNo, prodID,
size, color, qty)
:CustomerDA
aC:Customer
aC := findCustomer (acctNo)
IK
[firstitem]createCart()
(aCrt)
aC := readCust (acctNo)
(description, price, extended Price)
*--1
addItem ToCart I
(promoNo, prodID, size, color, qty)
(description, price, extended Price)
aCrt: createCart()
:OnlineCartDA
aCrt:OnlineCart
I
I createCårtitem
(promoNo, prodID, size, color, qty)
aCl:CartItem
saveCart (aCrt)
I
PromoOffering DA ProductItem DA Inventoryltem DA
:PromoOffering
:Productitem :Inventoryltem
:CartItemDA
find Promo (promolD, prodID)
read PO
I
1
(description, price, extended Price)
10
I
price := getPrice ()
find Proditem (prodID)
description := getDesc ()
I findinvitem (prodID, size, color)
I status: updateQty (qty)
I
readProd ()
saveCartitem (aCl)
I
readinv ()](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F98c7119c-b9f1-48f2-87ab-df0a295170ac%2F00f75e7c-d949-4d75-9d19-c98f87587204%2Ftwe4ygnh_processed.png&w=3840&q=75)
Transcribed Image Text:FIGURE 11-13 Sequence diagram for the Fill shopping cart use case with data access layer
Customer
:CartHandler
addItem ToCart
(promoNo, prodID,
size, color, qty)
:CustomerDA
aC:Customer
aC := findCustomer (acctNo)
IK
[firstitem]createCart()
(aCrt)
aC := readCust (acctNo)
(description, price, extended Price)
*--1
addItem ToCart I
(promoNo, prodID, size, color, qty)
(description, price, extended Price)
aCrt: createCart()
:OnlineCartDA
aCrt:OnlineCart
I
I createCårtitem
(promoNo, prodID, size, color, qty)
aCl:CartItem
saveCart (aCrt)
I
PromoOffering DA ProductItem DA Inventoryltem DA
:PromoOffering
:Productitem :Inventoryltem
:CartItemDA
find Promo (promolD, prodID)
read PO
I
1
(description, price, extended Price)
10
I
price := getPrice ()
find Proditem (prodID)
description := getDesc ()
I findinvitem (prodID, size, color)
I status: updateQty (qty)
I
readProd ()
saveCartitem (aCl)
I
readinv ()
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