sale system

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A POINT OF SALE SYSTEM

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ELLENKI COLEGE OF ENGG&TECH Name: Date:

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A Point- of- sale system Overview: A critical step of the project is to design a modeling and simulation infrastructure to experiment and validate the proposed solutions. A point of sale of system is a computerized application system used to record sales and handle payments. In the other words to keep track of all transactions in accounts. A point sale system is a computerized application used to record sales and handle payments. It is typically used in retail store; it includes hardware components such as computer and a bar code scanner and software to run the system. It interfaces to various service applications such as third party tax calculator an inventory control. These systems must be relatively fault tolerant; i.e., even if remote services are temporarily unavailable they must be of capturing sales and handling at least cash payments .A Pos system must support multiple and varied client side terminals and interfaces such as browser, PDA’s touch screens.

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As part of the case study, following analysis diagrams will be created 1. Use cases for the system. 2. Class diagram foe initially identified classes. 3. Activity diagram to show flow for each use case. 4. Sequence and collaboration diagrams. 5. State chart diagrams shows states before and after each action.

Conceptualization Assumptions: To sell the goods in pos form

INPUTS  The no of goods sold in lifetime.  The payments paid by the customer in.  Case study of the project.  Total tax to be paid by the customer and retail shop.

OUTPUTS

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 Total time required for the selling goods.  Number of

Key Terms POS SIMULATION  Retail store: hardware components, software, and the third party tax calculator.  Function points.  Feed data and start billing.  Record and update sales.  Loop - Bill all the goods. - Handle the payments. - Record sales. - Pay tax.

Requirement analysis This covers the requirements and diagrams of the project. The complete process of point sale system, which can be seen in retail shop.

Actors: Pa ge No:-

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The actors who are involved in the whole process.

1.Owner: He is the person who feed data, starts billing, calculate the sales and records. He will take the payment of the customer. He has to update the stock and record sales. He has to interface with various service applications, such as third party tax calculator.

2.Customer: He has to pay the payment to owner of sales. He has to support multiple and varied client terminals and interface such as browser. PDA’s touch screens. He should receive the bills and the payment.

Use cases: The steps involved in the whole process are indicated as use cases. • Bill all the goods. • Use interface with PDA’s, touch screens and browser. • Calculate final bill also include inventory control • Receive payment • Record sales which include inventory control. • Update stock and cash details.

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Bill the goods: The owner has to bill the goods and send details, payments to the customer. He has to handle the payment. The customer has to check the bills and goods received.

User interface with PDA’s touch screen and browser: The customer has to see the goods list in the form of user interface with PDA’s, touch screens and browser. He has to seen all this and sends the list to shop.

Calculate the bill: The owner has to calculate final bill after receiving the payment from the customer including third party tax calculator that are the service charges and charges of transfer of goods.

Receive payment: The owner has to receive he payment. The customer has to send the owner how he will pay the money. He has to submit all the details of bills that goods are taken by him.

Record sales including inventory control: The owner has to update details.

Update stock and cash details: Every time the owner has to check the stock that has sold and bring he fresh stock .Every time he has to update the stock and cash details for every customer purchase.

Classes: The classes contain attributes and related to them. The main classes classified in this solution are Pa ge No:-

ELLENKI COLEGE OF ENGG&TECH Name: Date: 1.

Roll:Retail store: Through the point of sale system the customer purchase the goods from the owner. In retail shop the owner has to check the details of the customer and update all the details of the bills. The retail store includes hardware components such as a computer and bar code scanner and software to run the system. He has to calculate the final including third tax calculator. The owner has to update the sock and cash details.

2.

Customer: The customer has to send details of the products of the owner. He has to pay the money immediately after receiving the goods. He has to inform how he as to pay the money to owner. He has to send interface such as PDAs, browser touch screen wit system.

Diagrams: The diagrams are of two types:

1.Static diagrams Static diagrams are again divided into four: a) Class Diagram b) Object Diagram c) Component Diagram d) Deployment Diagram

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a.Class diagram A class diagram shows a set of classes, interfaces and collaborations and their relationships. Classes Retail store

Attributes Name, Address, Phone no., barcode scanner, software, computer

Sales

Id, system, no. of staff

Customer

Name, address, phone number Amount, payment mode ___________________

Payments Tax calculator User interface browser, PDAs, touch screens.

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Inventory control

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Operations Maintain record of goods, checking bill info.,, record sales, handle payments. Billing is done, sell goods, and collect goods. Purchase goods, pay bills. Handle payments Calculate the tax to be paid. Connected to many number of clients, provide service to multiple clients. Record sales

2.Dynamic diagrams: They are divided into five: Pa ge No:-

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1. Use case Diagram: Organizes the behavior of the system. 2. Sequence Diagram: Focused on the time ordering of he messages. 3. Collaboration Diagram: Focused on structural organization of the objects. They send and receive messages. 4. State Chart Diagram: Focused on changing state of system driven by events. 5. Activity Diagram: Focused on the flow of control from activity to activity.

1.Use case diagram: A Use case diagram shows a set if use cases and actors and their relationships.

Actors Owner

Use cases feed data Start billing including

decode price Bill all the goods Calculate final bill include tax collector Receive payment Record sales include inventory control Pa ge No:-

ELLENKI COLEGE OF ENGG&TECH Name: Date:

Roll:Update stock and cash

details Customer

mode of payment User interface extends

touch screens, browser Receive payment

2.Sequence Diagram: A diagram is an interaction diagram that emphasizes the time ordering of messages. It consists of set of objects and actor.

o Actors 1.

Owner: He has to feed the data. He is the person who sells the goods. He has to update the cash and the stock details. He has to receive the payment from the customer.

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Customer: The customer has to send the details of the goods to owner in the point of sale system. He has to interface with the computer. He has to pay the payment in right time.

3.Collaboration Diagram: A collaboration diagram is an interaction diagram that emphasizes the structural organization of the objects that sends and receive messages. It shows

Pa ge No:-

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Roll:set of objects, links among those and messages sent and received by those objects.

4.State Chart Diagram: A state chart diagram shows a state machine consisting of states, transitions, events and activities. It emphasizes the event ordered behavior of an object, which is especially useful in modeling reactive systems. 5.Activity Diagram: An activity diagram shows the flow from activity within a system. It emphasizes the flow of control among objects.

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