Online Auction Sale

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The online auction system is a design about a website where sellers collect and prepare a list of items they want to sell and place it on the website for visualizing. To accomplish this purpose the user has to access the site. Incase it’s a new user he has to register. Purchaser’s login and select items they want to buy and keep bidding for it. Interacting with the purchasers and sellers in the chat room does this. T

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ELLENKI COLEGE OF ENGG&TECH
Name:
Date: Roll:-

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ELLENKI COLEGE OF ENGG&TECH
Name:
Date: Roll:-

Page No:-
ELLENKI COLEGE OF ENGG&TECH
Name:
Date: Roll:-

Page No:-
ELLENKI COLEGE OF ENGG&TECH
Name:
Date: Roll:-

Page No:-
ELLENKI COLEGE OF ENGG&TECH
Name:
Date: Roll:-

Page No:-
ELLENKI COLEGE OF ENGG&TECH
Name:
Date: Roll:-

Page No:-
ELLENKI COLEGE OF ENGG&TECH
Name:
Date: Roll:-
An Online auction sale
Overview:

The online auction system is a design about a website
where sellers collect and prepare a list of items they want to sell
and place it on the website for visualizing. To accomplish this
purpose the user has to access the site. Incase it’s a new user he
has to register. Purchaser’s login and select items they want to buy
and eep bidding for it. Interacting with the purchasers and sellers
in the chat room does this. The purchaser maing the highest bid
for an item before the close of the auction is declared as the owner
of the item. If the auctioneer or the purchaser doesn’t want to bid
for the product then there is fi!ed cutoff price mentioned for every
product. "e can pay that amount directly and own the product. The
purchaser gets a confirmation of his purchase as an
acnowledgement from the website. After the transition by going
bac to the main menu where he can view other items.
As per case study# the following analysis diagrams will be created
$. %se cases for the system.
&. 'lass diagram for initially identified classes.
(. Activity diagram to show flow each use case.
). *e+uence and collaboration diagrams.
,. *tate chart diagram shows states before and after each action.
'onceptualization:

Assumptions:
• The users are allowed to register and given user id’s to have
identification.
• The users are allowed to bid for any price according to their
own wish provided it’s more than the minimum price for
auction.

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ELLENKI COLEGE OF ENGG&TECH
Name:
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• The fi!ed cut-off price is decided and conformed for every
product.
• The auctioneer re+uesting the product for the cut off price is
given priority.
• The auctioneer bidding the ma!imum price is given the
product.
Inputs:
• The login details of auctioneer.
• .ist of the available products on the site.
• /etails such as specifications and the price of each
product.
• 0idding price of the auctioneer.
Outputs:
• The cut off price of each product.
• %pdated status of the bid price.
• *tatus of each product if it is bid or sold or for sale.
• Acnowledgement to whom the product is sold.
1ey terms:
 2et details and 0id the product.
 /eliver the product.
 Pay the price and logout.
An auction simulation:
• 0id for the product.
• .og on to the site.
• 3i! or bid for the price.
• 3unction points
 0idder re+uest product details.
 Pay final price and bid the product.
 .oop
- 'hec any product details.
- 'hec for cut off price.

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ELLENKI COLEGE OF ENGG&TECH
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4e+uirement analysis:

Te!tual analysis:

This covers the re+uirement and diagrams of the
pro5ect. The complete auction to bid the product.
Actors:

These are who are involved in the interaction of the
whole process.
*ite: The customer bid price through the site. "e has to see the list
of the available of products and the list of prices. 6very the site has
to update with the new products.
'ustomer:

"e will log into the system and see the product# which is
ready for auction. "e search for the products and bid for the
products and finally he pay the money of the given bid price.
Product:

The product will have some code# which the customer
sends the code to the system# and want to buy the product. The
auctioneer will see in the site and bid the product. *ometime the
product will sell for current bidding price or it will sell by final cut off
price.
Auctioneer:

"e will visit the site and send the details of products to
bidder. "e will always update the bidding price. "e will sell the
products. "e will get the price paid.

%se cases:


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ELLENKI COLEGE OF ENGG&TECH
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The steps involved in the whole process are indicated as use
cases.
• .ogin
• *earch for product
• 4e+uest or send details
• 0id the product
• 0uy7sell the product
• Pay the price
• /eliver the product
.ogin:

The auctioneer has to login the site and update the details
of the product. The customer login into the system and chec the
details# price of the product.
*earch for the product:
The customer will search for the product and bid the price.
After bidding he will pay the money.
4e+uest or send the details:
The bidder will send the details of the product and the
customer also sends the details to the customer.
0id the product:
The customer will bid for the product and pay the money
to the auctioneer.
0uy7sell the product:
The bidder will sell the product and customer will buy the
product.
Pay the price:
The customer as to pay the price and get the product.
/eliver the product:
After the customer has paid the money the auctioneer has to
deliver the product.

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/iagrams
The diagrams are of two types
$. *tatic diagrams: *tatic diagrams are again divided into four
a8 'lass diagram
b8 Ob5ect diagram
c8 'omponent diagram
d8 /eployment diagram
a. 'lass diagram
A class diagram shows a set of classes# interfaces and
collaboration and their relationships.
'lasses of auction application are:
'.A** ATT4I0%T6* OP64ATO4*
*ite 9ame# list of
available products#
list of prices# web
host
%pdate the site with
products# sell the
products
'ustomer:bidder8 9ame# contact
info# address
.ogon to the site#
search for the re+uest
products# bid for the
product# pay the price
Product Id# name# type#
current bidding
price# final# cut off
price
;;;;;;;;;;;;;;;;;;
Auctioneer Id *end the details of
products to bidder#
update the bidding
price# sell the products#
get the price paid
b. /ynamic /iagrams
They are divided into five:
$. %se case /iagram:
Organizes the behavior of the system.
&. *e+uence /iagram:

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ELLENKI COLEGE OF ENGG&TECH
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3ocused on the time ordering of messages.
(. 'ollaboration /iagram:
3ocused on the structural organization of the
ob5ects that send and receive messages.
). *tate chart /iagram:
3ocused on changing state of the system driven by
events.
,. Activity /iagram:
3ocused on the flow of control from activity to
activity.
$. %se case /iagram
A use case shows a set of use cases and actors and their
relationships.
Actors %se cases
0idder login
*earch for the product
4e+uest7send details
0id the product
Pay the price
Auctioneer re+uest7send signals
/eliver the product
&. *e+uence /iagram
A diagram is an interaction diagram that emphasizes the time
ordering of messages. It consists of set ob5ects and actor.
o Actors:
$. 0idder:
"e login in to the site and search for the product. "e
send and re+uest the details and get details. he pay the bill
for final price of the product.
o Ob5ects:
$. *ite:
In the site the cost of products will display and customer
also send re+uirements of the product.
&. Auctioneer:

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ELLENKI COLEGE OF ENGG&TECH
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"e will log onto the details of the customers. "e will send
the details to the customer about the details to the customer
about the product and price of the product.
(.'ollabration /iagram:
A collaboration diagram is an interaction diagram that
emphasizes the structural organization of the ob5ects that send
and receive messages. It shows set of ob5ects# lins among those
ob5ects and messages sent and received by those ob5ects.
).*tate 'hart /iagram:
A state chart diagram shows a state machine# consisting of
states# transitions# events and activities. It emphasizes the event
ordered behavior of an ob5ect# which is especially useful in the
modeling reactive systems.
,.Activity /iagram:
An activity diagram shows the flow from activity within a
system. It emphasizes the flow of control among ob5ects.

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