B2-Software Requirement Specification

7/30/2019 B2-Software Requirement Specification

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Software Requirement Specification By Team B2

Capital Account Business Stock Trading system

Capital Account Business

Software Requirement Specification

Revision History

Name Date Reason For Changes Version


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Preface

Whats new in version1.1?

1. In section 1.3 System Context where we have an overview of this system

and know the role our subsystem playing in this whole system. What I want

to say is that the relation 1 is not physically but logically, namely one-to-onerelation which is deferent with other physically relation.

2. There used to be 3 sections in chapter 2.In this version a section is deleted,

Task Participants, since this document is a specification which is

customer-oriented.

3. I change the name of the section 3.5.We use Entity Descriptions instead

of Class Description. In this way, our customer can avoid being exposed

by some technical lang. Obviously, entity is easier to be understood.

4. I made a small change to the picture in section 4.1, just to make sure it is

pleasing to the eye.

5. The last change is about user interface. Although it is just used to give an

overview how our product will be to our customers, we still need to fix it to

fulfill the requirements. As a result, no more pulldown menus .

Team B2 modified

On Oct.3rd 07


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Catalog

1. Introduction ..4

1.1Document Purpose.......4

1.2Project Scope....4

1.3System Context.........4

1.4Intended Audience....6

1.5 Reading Suggestions....6

2. Background Specification.6

2.1Design and Implementation Constraints......6

2.2 Assumptions and Dependencies..........7

3. Overall Description.7

3.1 Product Perspective....7

3.2 Product Functions... 8

3.3 Data Descriptions... 8

3.4 State Descriptions...14

3.5 Class Descriptions..14

3.6 Runtime Environment Specifications.....15

4. User Scenarios....16

4.1 User Definition...16

4.2 User Cases..16

5. User Interface Requirements...17

5.1 Start a new account........18

5.2 Deposit or drawing.....20

5.3 Change the password......21

5.4 Report the loss of the account and renew it....22

5.5 Logout the account.....24

6. Appendix...26

6.1Glossary......26

6.2 Abbreviation......26

6.3 References.....26


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1. Introduction

1.1 Document Purpose

This document is to show intended readers a clear definition of the software includingany revisions. Because this software is about Capital Account Operation, which is part

of Stock Trading System, this document will also be related to Stock Trading System

partly.

1.2 Project Scope

This project is to develop a subsystem of Stock Trading System, in which the

brokedealers will get a lot of convenience and shareholders will execute their business

about stock quickly and effectively. And this subsystem is named as Fund Account

Operation, which will provide brokedealers with a flat to deal with the fund belongingto their customers.

1.3 System Context

An entire Stock Trading System consists of the following subsystems:

Stock certificate Account Business

Carry out the business logic of the stock certificate account. Develop the staff member

manages interface and used for the account-open of stock certificate account and report loss

with open an account, sell afresh door.

Fund Account Business

Carry out the related business logic of the funds account. Develop staff member's interface,

used for record into customer's information, examine and approve, open an account, modify

password, deposit, withdraw money, report loss, sell a door, funds information search. Also

carry out the connection of funds account and stock certificate account.

Client-end Of TradingCarry out the related business logic of client-end trading. Develop customer's interface,

include customer's application to trading, landing for the very first time, looking into stock

price, searching the cash in the funds account, searching the stock circumstance in the stock

certificate account, sending out information to purchase and sell a stock, showing bargain a

result.

Central Trading System

Carry out the trade related business logic inside stock field. Develop a central trade system of

stock, keep the instruction of the customer what stock to buy or sell out. Then match the

related instruction of the same stock, two instructions being suitable on the price were


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brought together. Trading result will be put into the different stock certificate accounts for

conservancy, then modify an information of the matching instructions already.

Information Release Online

Realize solid hour release of the trading information. Carry on covariance of the latesttrading results of each stock and the near future trading results, and release information on

the website provided for customer to search. The customer can input stock name or code to

search the related information of the stock.

Management of Trading System

Realize supervision of the managing person to trade system. Develop a staff member

manages interface, identify different customers pass authorization, look into all amounts of

instructions of different stock, all information of price and business amount.

This graph is an overview of the whole system . Our teams goal is to implement the

Capital Account Operation subsystem . It is a component has a strong relationship

with the DataBase , which all the movements are based on , namely , storing , fetching

and querying See 1. Also , Capital Account has an one-to-one relationship with

Stock Account . A Stock Account has and only has one Capital Account .See 2


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Modified in ver.1.1

Relation 1 :

The relation is not physically , but logically .Namely , one-to-one relation

1.4 Intended Audience

software managers

software developers

software users

1.5 Reading suggestions

You can find the information quickly by the Index in the page 2. Take care of the

words bolded, which always imply you with the following context. To differentreaders, the reading suggestions are different. You should take the right manner to

read the document in accordance with your role:

software managers

They should read all the parts of the document carefully and give advice to improve

the softwares design and performance. In addition, they must check the requirements

in terms of the commercial sight comparing with software developers.

software developers

They should read all the parts of the document carefully and understand the

requirements of the customers clearly. They should make sure that they have the

ability to carry out the requirements described in this document.

software users

They can get the information available from the part 345 to understand the software

well. The three parts will show them the functions of the software effectively.

2. Background Specification

2.1 Design and Implementation Constraints

Time

The project is asked to deliver before 2007-11-19, we only have less than 2 months.

Time is limited for us and maybe the major constraint. We have to learn JAVA and JSP,

write codes and documents, despite time is not enough to us, thats difficult to handle.

Cost


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Java and Jsp is new for us, we also may confront many problems we have never met

before. So we have to buy some books and try to find the answer from them. But

books about computer are not cheap, we are only students and its hard to avoid that.

SkillCoding skill is another problem we have to face. Our team is required to implement

the program in Java, but we dont have any experience about coding in Java or JSP

before, which is almost new for us. As the project progresses, more and more

questions may come out.

Mission Distribution

Its the first time for us to accomplish a project in such a 7-person-team, we are

inexperienced about how to distribute the missions. We are not clear to give different

modules to the staff, maybe thats not equally.

Experience

The team is inexperienced in software engineering process management and

documents management. Thats our first works. We have to explore ourselves ,it is a

hard way. Its difficult to complete the project identical as the planned schedule.

2.2 Assumptions and Dependencies

We can pay much more time on the project, although two months are short.

We can master Java and JSP ourselves, and we also can have enough

communication with other members in the team.

We can ask our senior with much more experience than us to get pertinent advice.

We can find similar project from the internet and that is a excellent reference.

3. Overall Description

3.1 Product Perspective

As Chinas economy has been developing so quickly for several years, stock has

walked into Chineses lives and made thousands of millionaires. As a result, Stock

Trading System becomes more and more important to shareholders, for they can use

the system to exchange their stocks quickly and effectively. To brokedealers, the

system is also helpful because it can ease their busy working.

As an direct interface to brokedealers, Capital Account Operation plays an important

role in the exchange of stocks undoubtedly.


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Therefore, Stock Trading System will have a nice perspective.

3.2 Product Functions

Start a new account

You can start a new account by inputting the name, sex, identity card number,

negotiable securities account number of the shareholder, and a password set by

the shareholder.

Put in or take out the capital

You can put more money into the account or take out money to shareholder while

being asked for this execution.

Change the passwordYou can change the password with which shareholders can exchange stocks. But

the precondition is you have got the permission of the according shareholders.

Report the loss of the account and renew it

When some shareholders lose their capital account card, they will ask you for

help. Then you can report the loss of the account to the computer and the

according account will be logout and all of the capital will be frozen. Meanwhile,

all stocks of the according stock account will be frozen.

If the shareholders want to renew their account, you also can rebuild a new

account and the primary according information will be copied into the new

capital account. Meanwhile, the according stock account will be activated.

Logout the account

You can logout the account while being asked for this execution. After this

execution, the balance will disappear in the capital account, so you should take

out all of the balance to the shareholders. And this subsystem will automatically

turn to the Stock Exchange Center for the permission to separate the capital

account and the according stock account.

3.3 Data Descriptions

The general DFD of the capital account business


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registered and

associated

ID,securities accounts

card

capital

accountcard and

password

iinstruction of buying

and selling

new passwordchange

assword

capital

account

card and

password new password

set up a new

ca ital account

instruction of

investor

intruction of

examine

look stock and

ca ital state

ID,securities

Accounts num

requirement of

cancelling

cancel capital

account

freeze capital

Update databse

Information

store to databse

output

add/withdraw

cash

copy old capital account

information

change databse

state

stock

exchan e

separate capital and

securirites accounts

all cash withdrawed

Stock dealer

investor

databse

Client-endof dealing


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DFD of register

DFD of add and withdraw cash

open a capital

account

investor

information

link capital and

stock accounts

stock

account

activate the

accounts

command

imformation of the

accounts

login into the

stock dealers

capital account

num password

prepare for

money input

wtithdraw the

mone

command of

addcommand of

withdraw

cash

add the money

to the account

cash or e-money

capital account

state information


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DFD of change password

DFD of losing and re-opening account

login in to

the system

account num

and passwordcommand select the function of

changing password

new password

check the

password

new passworddone changing

password

information

check the

information

ID and account

number

requrement of

cancelling

freeze the

stock account

freeze the

capital account

requrement of

cancelling

open a new

capital account

requremnent of

opening a new

account

information of

old account

copy to the

new accountcommand activate capital

and stock account

information


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DFD of logout account:

Data Dictionary

namecapital account information

descriptionevery client have a fund account.

definitionfund account= useable fund+ frozen capital

positioninput to stock trading system.

nameuseable fund

descriptionuseable part in the fund account.

definitionuseable fund=the money you can use now


login in tothe system

ID and accountnumber

withdraw all

the capital

command of

withdraw

application for

logout

Separate caiptal and

stock accounts,freeze

stock accounts

application for a new

account

check the

application

ID and accountnumber

open a new

account

stock account

infornationlink new capital account

and stock account

information


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namefrozen capital

descriptionunuseable part in the fund account.

definitionfrozen capital=the money you can not use now


namethe stock buy into

descriptionclient buy stock from others.

definitionthe stock buy into=price *number


namethe stock sell out

descriptionclient sell stock to others.

definitionthe stock sell out= price *number


namestock account information

descriptioninclude stock name, stock sum, price of stock, cost of stock

definitionsum value of stock=Pi*Si ,cost of stock = sum value of stock/ Si , i is

count from 1 to n.


nameinterests

descriptionthe money the clients get just like save money in the bank

definitioninterests = corpus*rate

position input to stock trading system.

Note: See Data Requirement Specification for detail.


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3.4 State Descriptions

State diagram is showed as followed:

3.5 Entity Descriptions

Entities related are showed below:

Entity: Stockbrokers

Roles

Responsibility: Collaboration:

OPEN capital account Database

Interests COMPUTATION & PAYMENT

Cancel an account Database

Stockbrokers is an official in the stock department, having the responsibilities of

opening capital account , Interests COMPUTATION & PAYMENT and canceling an

account.

Entity: Database

Things


Query for the intended information Stockbrokers & private investor

Store the dataReply Dislay


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Database is an entity which has the responsibility of querying for the intended

information , storing the data and replying. Its a major object our work being based

on.

Entity: Private Investor

Roles


Deposit & Drawing Stockbrokers

Modify the Password of the capital account Database

Report loss of account & Reopen Stockbrokers

Query the account Database

Private Investor is another roles in our class classifying. They have the responsibilities

of depositing & drawing , modifying the password of the capital account , reporting

the loss of account & reopening and querying the account.

Entity:Stockbrokers-Display

Interface


Display the result of database querying for

Stockbrokers

Database

Entity: Private Investor-Display

Interface


Display the result of database querying for

Private Investor

Database

These two classes are interfaces, displaying the result after querying the database.

3.6 Runtime Environment Specification

Hardware:Processor:

450 megahertz (MHz) Pentium II-class processor

600 MHz Pentium III-class processor recommended

Minimum RAM requirements:

Microsoft Windows Server 2003 160 megabytes (MB)

Windows XP Professional 160 MB

Windows XP Home Edition 96 MB

Windows 2000 Professional 96 MBWindows 2000 Server 192 MB


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Disk space requirements:

10 MB of available space required on installation drive

Display:

Super VGA (1024x768) or higher resolution display with 256 colorsMouse:

Microsoft mouse or compatible pointing device

NIC:

Realtek RTL8139 Family PCI Fast Ethernet NIC or compatible NIC

devices

Software:Operating System:

Microsoft Windows Server 2003

Windows XP ProfessionalWindows XP Home Edition

Windows 2000

Windows Millennium Edition (Windows Me)

Windows 98

Microsoft Windows NT 4.0

Compile Software:

JRE 1.4.2

J2SDK1.5

JRE1.5

4. User Scenarios

4.1 User DefinitionThis system is designed for the workers in the stock exchanges that serve the

customers with their capital accounts, namely brokedealers.

4.2 User Cases


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The user can directly execute above five functions. In addition, Renew is related to

Start a new account greatly, because their aims are both to create a new account.

5. User Interface Requirements(Note: The pictures showing the user interface is just for reference, there may be

several modifications according to the fact later.)

The prototype of the interface is showed as below:


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From this picture, you can find that there are five main functions in this system:

Start a new account

Put in or take out the fund

Change the password

Report the loss of the account and renew it

Logout the account

Once you press any button in the above interface, a sub interface will appear to

execute the according function. Now, let me show you the interface of each function:

5.1 Start a new account


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From the picture above, you can see that if you want to open a new account, you

should input the name, sex, identity card number, negotiable securities account

number, and set a password. And then, you can get the account successfully by

pressing the button .

If you start the account successfully, an interface will be given as below:


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5.2 Deposit or drawing

First, you should input the account number and the password, and then, you can see

the interface:


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You can see your balance in the account, choose the kind of the serving you want, and

then input the number of the money you want to put in or take out. The operation will

be accepted by pressing the button .

5.3 Change the password


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If you want to change your password of the account, you can first input the account

number and old password, then input the new password twice which can effectively

avoid you making mistakes.

5.4 Report the loss of the account and renew it


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Choose the service you want in the above interface:

Report the loss of the account


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Provide the ID card number, account number, negotiable securities account number,

and input the password, you can report the loss of the account quickly.

Renew the account

Just like open a new account, if you want to renew the account, do the similar thing,

and the information of the account reported as lost will be copied into the new

account.

5.5 Logout the account


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If you want to logout an account, what you need to do is just inputting account

number and password, and then, everything is OK. You can get the information from

the interface below if the execution is success:


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6. Appendix

6.1 Glossary

Java: A new-style computer language

6.2 Abbreviation

JSP: Namely Java Script Page, a program running in the pages.

6.3 References

IEEE 830-1998 Standard for Software Requirement SpecificationSoftware Engineering A Practitioners ApproachSixth edition

Core Java2

Documents

B2-Software Requirement Specification