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ONLINE AIRTICKET BOOKING SYSTEM
By
A.MOHAMED GHOUSE IMAMReg No: 41502621035
Of
SRM Engineering College
A PROJECT REPORTSubmitted to the
FACULTY OF INFORMATION AND COMMUNICATION ENGINEERING
In partial fulfillment of the requirementsfor the award of the degree
of
MASTER OF COMPUTER APPLICATION
June 2005
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BONAFIDE CERTIFICATE
Certified that this project report titled ONLINE AIR TICKET BOOKING
SYSTEM is the bonafide work of Mr A.Mohamed Ghouse Imam who carried out the
project under my supervision. Certified further, that to the best of my knowledge the work
reported herein does not form part of any other project report or dissertation on the basis of
which a degree or award was conferred on an earlier occasion on this or any other candidate.
Internal Guide Head of the Department
ABSTRACT
This gives you the raw skeletal picture of an Online Airticketing
System. Further value additions should be done during development stage. Nowadays, it
becomes more and more popular to buy airline tickets through online travel agent. People
enjoy buying airline tickets online because of the convenience brought by the Internet. Many
travel site provide services which help travelers find airline tickets for their travel plans. In
addition to providing the same services that a traditional airline ticket booking system would
provide, these websites provide enhanced services such as searching through a list of possible
flights according to a user's constraints
Generally Online Booking consists of procedures like Reservation, Cancellation, Availabilityof Seats, Timetable, etc. Finally the Reports are prepared.
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OBJECTIVE OF THE PROJECT
This project on Computerized Online Airticketing is designed with
the object of simplifying the tedious tasks of Airticketing the usage of this package would
simplify the work of the user, as it is user friendly, simple, easy to follow. It is enough if the
user has the fundamental idea of browsing to handle this package effectively suggestions
regarding further modifications or adjustments to suit the need of the user regarding this
package is welcomed.
This system is specially designed for reservation of Airticket, which
depends on computerization. This system covers Passenger information, Flight details. It also
covers the Charge for the to and fro journey and also Vacation package during the Vacation
time.
ACKNOWLEDGEMENT
I sincerely thank the Almighty who had given me the strength and
poured out his showers of blessings upon me, which has enabled me to complete the project
successfully.
I take this opportunity to express my sincere thanks to Prof.
R.VENKATARAMANI, B.E, M.Tech, Principal, SRM Institute of Science and Technology
for his continued guidance and support.
It is beyond the comprehension of mere elegance of word to
acknowledge some one who has been the guiding spirit behind the dissertation I extend my
profound gratitude to Mr. S.SAGAYARAJ, H.O.D, Department of Computer Applications,
who has always been a source of inspiration, for his guidance and support.
With profound reference and high regards I record my indebtedness
and gratitude to my guide Mr.P.Karthikeyan, for his keen interest and guidance throughout
my project work.
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My heartfelt gratitude to Mr. P.Thulsi Ahilan, General Manager,
Projects, Cynergy Technology Solutions Pvt Ltd, Chennai, for his valuable guidance and his
patience, without which this project would not have been completed.
I am thankful to all the members of Cynergy Technology Solutions
Pvt Ltd., Chennai, for providing me valuable information and suggestions throughout the
project.
My thanks are also due to the entire faculty of MCA department of
SRM Institute of Science And Technology but for whom I wouldnt be what I am today. I
also thank my family and friends for their care, love, support and encouragement.
A. Mohamed Ghouse Imam
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CHAPTER 1
INTRODUCTION
1.1 ORGANIZATION OVERVIEW:
Cynergy Technologies Private Ltd is one of Indias leading institutions
contributing to the knowledge economy of the global financial services marketplace.
Headquartered in Chennai (India), In this knowledge quest, over the last 3 decades ,
Cynergy has established its solutions and services footprint globally contributing to the
realization of the business vision of some of the world's leading giants in the money
vertical.
20 years ago, Citigroup began its quest to pioneer the utilization of the vast human
intellect capital in India & the seeds of Cynergy were sown. Cynergy was fortunate to
be one of the first vendors that Citigroup chose to partner with, through this Indian
quest. In parallel, Citigroup also started its own company called COSL (Citibank
Overseas Software Ltd) which strategised and operationalised Citigroup's vision of
leveraging India.
Today, Cynergy is the amalgamation of these two organization that traveled the pathof successfully architecting & realizing Citigroup's India led vision. The 2 Decade long
journey was clearly an experience that helped Cynergy participate, witness and
experience every pitfall, every hurdle & fallacy in this path to leverage the Indian
intellectual capital.
The challenges were many. The challenge of creating a successful global sourcing
model, the challenge of creating an alternative distributed banking platform, the
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challenge of creating global competitiveness from a third world economy, the
challenge of replicating success from one country to another. The biggest challenge
was in being the first one in the world doing all this.
As Citigroup gained the competitive edge, Cynergy gained two very criticalexperiences:
The experience of creating mission critical solutions with leading edgefunctionality, built on reliable and robust technical architecture which could be
successfully implemented and replicated across the globe. This capability is today
brought to the customer in the form of a suite of modular solution components
under the brand name of intellect Suite.
The experience of creating successful outsourcing models which enable globalorganizations to sustain their competitiveness. This experience has been converted
into a predictable and repeatable model of success and is known as the Entity
model.
1.2 PROJECT OVERVIEW
1.2.1 ONLINE AIR TICKET BOOKING SYSTEM
This project on Computerized Online Airticketing is designed with the
object of simplifying the tedious tasks of Airticketing the usage of this package would
simplify the work of the user, as it is user friendly, simple, easy to follow. It is enough
if the user has the fundamental idea of browsing to handle this package effectively
suggestions regarding further modifications or adjustments to suit the need of the user
regarding this package is welcomed.
This system is specially designed for reservation of Airticket, which
depends on computerization. This system covers Passenger information, Flight details.
It also covers the Charge for the to and fro journey and also Vacation package during
the Vacation time.
The concepts that I will use to build the banking application are:
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HTML JavaScript Java Server Pages(JSP)
1.3 SOFTWARE OVERVIEW
1.3.1 FRONT-END(HTML):
HTML is used to create a static content web page displayed into the
browser. It is an user interface
1.3.2 CLIENT-SIDE SCRIPTING(JAVA SCRIPT):
JavaScript is a lightweight object-based scripting language created
by Netscape Communications Corporation for developing Internet applications.
JavaScript is lightweight in that there isn't a great deal to learn and you can be
productive with it very quickly, in contrast to much more complex languages such as
Java. As a scripting language, JavaScript is meant to tell an application what to do.Unlike languages used to create applications, it cannot do anything without the
application.
You can develop server applications or client applications With
JavaScript. In this book, the term "server" refers to the computer where your Web
pages reside. The term "client" refers to the browser application that loads and
displays your Web pages. This book focuses on teaching you to create client
applications with JavaScript-specifically, documents (Web pages) on the World Wide
Web.
You can embed JavaScript statements in Web pages, which Are
written in HTML (Hypertext Markup Language). JavaScript is an extension to HTML
that lets you create more sophisticated Web pages than you ever could with HTML
alone. To appreciate this, it helps to know a little history.
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1.3.3 SERVER SIDE SCRIPTING(JSP):
JavaServer Pages technology is the Java platform technology for
building applications containing dynamic Web content such as HTML, DHTML,
XHTML and XML. The JavaServer Pages technology enables the authoring ofWeb pages that create dynamic content easily but with maximum power and
flexibility.
The JavaServer Pages technology offers a number of advantages:
Write Once, Run Anywhere :The JavaServer Pages technology is platform independent, both in its
dynamic Web pages, its Web servers, and its underlying server components. You can
author JSP pages on any platform, run them on any Web server or Web enabled
application server, and access them from any Web browser. You can also build the
server components on any platform and run them on any server.
High quality tool support:The Write Once, Run Anywhere properties of JSP allows the user to
choose best-of-breed tools. Additionally, an explicit goal of the JavaServer Pages
design is to enable the creation of high quality portable tools.
Reuse of components and tag libraries:The JavaServer Pages technology emphasizes the use of
reusable components such as:
JavaBeans components, Enterprise JavaBeans components and taglibraries. These components can be used in interactive tools for component
development and page composition. This saves considerable development time while
giving the cross-platform power and flexibility of the Java programming language and
other scripting languages.
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Separation of dynamic and static content:The JavaServer Pages technology enables the separation of static content from
dynamic content that is inserted into the static template. This greatly simplifies the
creation of content. This separation is supported by beans specifically designed for theinteraction with server-side objects, and, specially, by the tag extension mechanism.
Support for scripting and actions:The JavaServer Pages technology supports scripting elements as well as
actions. Actions permit the encapsulation of useful functionality in a convenient form
that can also be manipulated by tools; scripts provide a mechanism to glue together
this functionality in a per-page manner.
Web access layer for N-tier enterprise application architecture(s):The JavaServer Pages technology is an integral part of the Java 2 Platform
Enterprise Edition (J2EE), which brings Java technology to enterprise computing.
You can now develop powerful middle-tier server applications, using a Web site
that uses JavaServer Pages technology as a front end to Enterprise JavaBeans
components in a J2EE compliant
1.3.4 MS SQL SERVER 2000
1.3.4.1 Introduction
This file contains important information you should read before
installing Microsoft SQL Server 2000.
SQL Server 2000 builds on and extends the performance,
reliability, quality, and ease of use of SQL Server version 7.0. It also includes a number
of new features that further establish SQL Server as the best database platform for
OLTP, data warehousing, and e-commerce applications.
1.3.4.2 SQL Server Core Component Notes
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These notes relate to the SQL Server core components, including the database
engine, client components, connectivity components, graphical tools, and command
prompt utilities.
1.3.4.3 Permissions for Active Directory Integration
In Microsoft SQL Server 2000, only members of the system admin fixed server
role can register databases or publications in Active Directory; members of the db-
owner fixed database role cannot.
1.3.4.4 Backup/Restore APIs:
Microsoft SQL Server 2000 is supported by a large number of third-party
backup solutions. SQL Server provides application programming interfaces that enable
independent software vendors to integrate SQL Server into their products. These
APIs provide maximum reliability and performance, and support the full range of SQL
Server backup and restore functionality, including hot and snapshot capabilities. For
information about how your backup solution integrates with SQL Server, contact your
backup solution vendor. For information about the Backup/Restore APIs, install the
"Backup/Restore API" subcomponent of the "Development Tools" component of
SQL Server.
CHAPTER 2
SYSTEM STUDY
2.1 Preliminary Investigation
The initial requirements to start the project in full swing without any
interruption, consists of the following details:-
1. Software Requirement.
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2. Hardware Requirement.3. Manpower Requirement.4. Financial Requirement.5. Infrastructure.
2.2. EXISTING SYSTEM
Currently, the daily reservation chart for all flights is generated and sent.
Very often, they cannot put up the reservation chart on time. Owing to the
inefficiencies in the manual system, when passengers cancel tickets, the reservation
chart is not updated in time.
They maintains a waiting list, which is used to update the reservation
chart when passengers cancel tickets. Currently, the manual system handles all requests
for changes in reservation, such as change in train, class, or journey date. It treats a
change of this kind as a cancellation, and reissues tickets.
Reservation opens 60 days before the scheduled departure date. Based
on the availability of seats the tickets are issued. Each ticket, whether confirmed or
wait-listed, has a unique PNR number. This number is generated in
a serial order. The reservation clerk records the amount of fare paid for the ticket in
Cash Collection Register.
A passenger can cancel tickets by submitting a cancellation from wih the ticket.
Depending on the difference in hours between the departure and cancellation the
passenger loses certain percentage of the fare.
In the current manual system at Jagson, passengers making inquiries are given
inaccurate information. There is a delay in handling passenger enquiries.
2.3 LIMITATIONS OF EXISTING SYSTEM
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The limitation of this system are
1) Only few bookings could be made due to manual operation.2) It takes enormous amount of time for recording transactions.3) Requires a large amount of manual laborers.4) The existing system often encounters errors due to duplication
of data values for various report requirements.
5) Existing system involves too much of paper works.
2.4 PROPOSED SYSTEM
In order to overcome the drawbacks in the existing system, it was decided to
create a database, which is
o Integratedo Reliableo Consistento Flexibleo Secure
This database helps in speedy information retrieval. Responds to various
queries made at the different levels of management. The system is Menu driven and
user friendly. It assists the user with respective messages to overcome the errors at
runtime. A built in Help is provided for the end user. The help can be invoked at any
point of time by pressing the F1 key.
This new system provides for the introduction of flights on new routes, and
for discontinuing an existing route.
The system is designed in such a way that the reservation chart is available on
time before the scheduled departure time. The reservation chart reflects the latest
status with respect to the cancellation of tickets that helps the wait-listed passengerd in
knowing their present status.
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Status of the availability, fare, status of ticket on all flights, for all classes, is
available at any point of time. Such statuses are available within 1 minute of the
inquiry.
The automated system sends reports on
Confirmed passengers - those who went through check-in Cancelled passengers - those who have cancelled No-Show passengers - those who had not turned for check-in
CHAPTER 3
SYSTEM ENVIRONMENT
3.1 HARWARE AND SOFTWARE REQUIREMENTS:
3.1.1 HARDWARE:
PROCESSOR : INTEL PENTIUM 4PROCESSOR SPEED : 650 MGHZ.
HARD DISK : 40GB.RAM : 256 MB.
3.1.2 SOFTWARE:
OPERATING SYSTEM : WINDOWS 2000.
SCRIPTING LANGUAGE : JAVASCRIPT, JSP
USER INTERFACE : HTML
SERVLET WEB SERVER : TOMCAT APACHE
. BACKEND : SQL SERVER 2000.
CONNECTING DRIVER : JDBC.
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CHAPTER 4
DESCRIPTION OF MODULES
4.1 MODULES:
The core modules identified within the scope of the project are
1. Reservation2. Cancellation3. Search Module4. Report
4.1.1 Reservation Module:
In this module, the passenger details are gathered and these details are then
verified and then registered with the availability of seats in the Flight database and if it
gets registered the passenger is offered a PNR number. Also details regarding the
Hotels, Flights and Vacation packages can be done efficiently and effectively.
4.1.2 Cancellation Module:
In this module, the ticket booked by the passenger is cancelled by him
and the amount is refunded back to him through post.
4.1.3 Search Module:
In this module, the flight gate information, Timetable, Fare details and
special needs are fetched by the user.
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4.1.4 Report Module:
In this module, the checked in passenger list is prepared for the
convenience of Authority in producing Reservation Charts. Also the Cancelled
passenger list is prepared.
CHAPTER 5
DATA FLOW DIAGRAM
5.1 DATA FLOW DIAGRAM
DFD FOR ONLINE AIRTICKET SYSTEM
Reservation
Transaction
Pass_Master
Flight
User
Make
Reservation
Make
Cancellation
Flight Search
Reports
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Fig 1. Online Airticket Booking System
CHAPTER 6
DATABASE DESIGN
The database design briefs the entire design of the database used in the
project.
6.1 TABLES
6.1.1 Flight
FIELD NAME DATA TYPE DESCRIPTIONFlight_No nvarchar(50) FlightNumberFrom nvarchar(25) Departure City
To nvarchar(25) Destination CityCity Names nvarchar(20) City Names
6.1.2 Passenger
FIELD NAME DATA TYPE DESCRIPTIONPNR_No nvarchar(50) PNR Number
Name nvarchar(50) Name of the PassengerAddress nvarchar(50) Addrress
Sex nvarchar(1) SexType nvarchar(20) Type
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6.1.3 Transaction
FIELD NAME DATA TYPE DESCRIPTIONFlight_No nvarchar(50) FlightNumberPnr_No Number(10) PassengerNumber
Rate Number(7) Ticket Rate
6.1.4 HotelMaster
FIELD NAME DATA TYPE DESCRIPTIONHotel_Nm nvarchar(50) Hotel NameHotel_No Number(4) Number of hotels
City nvarchar(25) City Name
6.1.5 Reservation
FIELD NAME DATA TYPE DESCRIPTION
Pnr_No Number(10) PassengerNumberFlight_No nvarchar(50) FlightNumber
Status nvarchar(25) FlightStatusDep_City nvarchar(50) DepartureCityDes_City nvarchar(50) DestinationCityAmount number(8) Amount
CHAPTER 7
SCOPE OF FUTURE APPLICATION
This Application is well suited for people who want to buy airtickets
through online and thereby save their time going to airports or travelagents inorder to
purchase airtickets.This system helps both the user and airport authorities to reduce
their work to a substantial level.
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This Application also tends to help many users in getting
information like FareLists, TimeTables, Vacation Packages and Reports like
Checkedin Passengerlist and Cancelled Passengerlists.
CHAPTER 8
SYSTEM ANALYSIS
8.1. Identification
The first step of the analysis process involves the identification of need.
Identification of need is the starting point in the evolution of computer-based system.
This step is carried out in the following basis:
Defining the goals of the system?
What information will be produced?
What information is to be provided?
What functions and performances are required?
Once overall goals are identified, the next step is to evaluate the supplementary
.information
Does the technology exist to build the system?
What special development and manufacturing resources will be required?
What bounds have been placed on costs and schedule?
System analysis is a detailed study of the various operations performed by a system.
This involves gathering information and using structured tools for analysis. A key
question is what must be done to solve the problem? This will be the basis for
validating the final delivered system. The purpose of the system analysis is to define
the boundaries of the system and determine whether or not this system should
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consider other related systems, which currently exist. Keeping this in mind, analysis is
done for the proposed system.
The system is analyzed by drawing DFD and function decomposition is done to
decompose the system into easily manageable parts.
Most organizations have channels for requesting new Computer systems. In
most cases, the request must be made to the top management or to information
systems department. There are often many more request for computer systems than
funds with which to develop them. Some times difficult choices must be made. For
top management, to make fair choices, more information about costs and benefits is
needed. Considering the above areas, this project is designed for the convenient usage
to the concern who wish to maintain computerized accounting. This project is
specially designed for Institution. Since the Institution maintains a large amount of
transactions regarding monetory terms such as student fees, staff salary and
management miscellaneous expenses, manual maintenance is a difficult task. The
timely and accurate entries of student fees, staff salaries and other miscellaneous
expenses must be accurate and updated timely. This project is designed to store and
update huge amount of information of institutions. Also keeping the sanctioned fund
in mind, this project is designed in a software which is easily available and at
affordable cost. Furthermore, the software is very easy to use and very userfriendly, so
no special training is needed to make the user aware of its operations. Also, this
software needs less users, so manpower can be decreased accordingly thereby
decressing the concerns funds. So, this is the first stage in the systems development
life cycle (SDLC).
8.2. Preliminary Investigation
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This is the first phase and consists of a brief survey of the areas involved and
will result in taking the project into the next phase recommending that no further
action be taken. The phase is initiated by management, who perceive the need
because of changes or expected changes in the business environment,
limitations or failure of existing systems or the awareness of technological advances
relating to the particular area involved in particular systems which competitors are
developing.
Making the above survey, this project is carried out for the purpose of many reasons
like: - to achieve greater speed in processing data.
Better accuracy and improved consistency Faster Information retrieval Integration of business areas Reduced Cost Better Security
The request is made to the department manager and hence the preliminary
investigation begins.The initial requirements to start the project in full swing without any
interruption, consists of the following details:
Software Requirement
Hardware Requirement
Manpower Requirement
Financial Requirement
InfrastructureThe software module can work on following minimum configuration
8.3 Feasibility Study
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The feasibility study of the system is an important criterion for software
development. Software is said to be successfully completed and utilized, only if it is
feasible in all ways. Feasibility Study is nothing but analyzing the various situations
before taking up the work or approve the work. According to the feasibility study only
a work can be undertaken by a good organization. It gives
the details about whether we can take up the project; do we have the capability to
finish the work within stipulated period; do we have the sufficient manpower? .
It mainly concentrates on three Areas
1.Operational Feasibility
2.Technical Feasibility
3.Economic Feasibility
8.3.1Operational Feasibility
The system once developed must be used efficiently. Otherwise there is
no meaning for developing the system. For this a careful study of the existing system
and its drawbacks are drawbacks are needed. The user should be able distinguish the
existing one an proposed one, so that one must be able to appreciate the
characteristics of the proposed system, the manual one is not highly reliable and also is
considerably fast, which is the most important. The proposed system is efficient,
reliable and also quickly responding.
As our system is well developed and gone under each phase of testing successfully and
there will be no problem running the software. Even the user interface also is very
user friendly and no need for frequent technical support.
8.4 Maintenance and support costs.
These costs reflect the price of the time of people within the
organization who support the project. A number of other studies have concluded that
maintenance and support costs are the largest component of the Project.
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8.5 Opportunity costs
These costs are typically the "soft costs" and "hidden costs" of running a
project. In the context of technical requirement, the primary costs are user self-
support costs.
8.6 Hardware and software costs.
Also called "vendor costs," these costs can be directly associated to the
software and hardware vendors. They include the initial hardware and software costs,
vendor-provided maintenance and hardware upgrade costs. The initial costs are the
standard "system costs" plus a vendor-provided maintenance contract. The
maintenance contract covers standard hardware repairs. Operating system updates and
software library extensions are also typically rolled into this contract cost. We have
used a three-year maintenance contract to reflect the entire assumed workstation
lifetime. The final component of "vendor costs" is a hardware upgrade. We have based
pricing on a typical scenario of doubling both the RAM and hard-disk capacity half
way through the workstation's three-year life-cycle (current pricing of the upgrades
was used for simplicity).
8.7 Technical Feasibility
Technical Feasibility centers around the existing computer system
hardware, software, etc. and to some extent how it can support the proposed addition.
This extent how it can support the proposed addition. This involves financial
considerations to accommodate technical enhancements. Technical
support is also a reason for the success of the project. The techniques needed for the
system should be available and it must be reasonable to use.
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Manpower
Conducting study on manpower requirement who have knowledge on
particular technology pertaining to the project.
Knowledge Base
Knowledge Base articles pertaining to this technology.
These are articles written by the Developer Support Engineers who deal
directly with customer issues.
Peer Support
Links to peer support resources, such as public newsgroups,
where you can find assistance from others working with similar technologies.
Additional Resources
Other resources for information or troubleshooting.
Contact Us
Still having trouble? This page gives you the information you
need in order to contact Developer Support. Also, you can send us feedback
about this site using the information on this page.
In this project, all the above criteria found to be satisfied as a basic
requirement and also found to be very feasible.
8.8. Economical Feasibility
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Then we should ensure that we have the sufficient financial back up to
meet the initial and operational expenses. It involves the capital expenses, wages, and
unexpected expenditures on execution of the work. These costs are typically the "soft
costs" and "hidden costs" of owning a workstation. In the context of technical
workstations, the primary costs are user self-support costs.
It is also found to be very feasible and recommended to take up the project financial
wise.
CHAPTER 9
SYSTEM TESTING
9.1 INTRODUCTION
System testing is an important phase. Testing represents an interesting
anomaly for the software. Thus a series of testing are performed for the proposed
system before the system is ready for user acceptance testing.
Unit testing is essential for the verification of the code produced during
the coding phase and hence the goal is to test the Internal logic of the modules. Using
the detailed design description as a guide, important paths are tested to uncover errors
with in the boundary of the modules. These tests were carried out during the
programming stage itself. All functional behavioral performance requirements and the
errors which are uncovered during the testing are corrected. Form level and as well as
field level validations are performed in all the data entry screens.
Program testing is nothing but testing a number of programs that form
a cluster to achieve a certain goal. During program testing two kinds of errors will
occur namely, syntax errors and logical errors.
Syntax errors have to be corrected before the program is executed. Logical errors many occur due to in correct. Handling of data, improper
sequence of program statement etc..,
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The following are the various stages in the testing process.
9.2 Black Box Testing:
In this testing we give input to the system and test the output. Here we
do not go for watching the internal variable in the system and what are the changes
made on them for the required output. Any invalid input for the above leads to failure
in establishing the connection between the front end and the back end.
9.3 White Box Testing:
It is just the vice versa of the back box testing. There we do not watch
the internal variables during testing. This gives clear idea about what is going on
during execution of the system. The points at which the bug occurs were all clear and
were removed.
9.4 Stress Testing:
The purpose of stress testing is to improve that the candidate system
does not malfunction during peak loads. We subject a high volume of data during a
very short period of time. This simulates an online environment where a high volume
of activities occurs in spurts.
9.5 Integration Testing:
Each test in the source code test plan consists of the following details
Type of test Machine Configuration Test assumptions
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Requirements being tested Exact test stimuli Expected outcome Connecting with database Test Cases
CHAPTER 10
SOFTWARE ENGINEERING PARADIGM
10.1 INTRODUCTION
It is an iterative, milestone-based approach to the development process.The way in which activities in a systems development life cycle are sequenced, and the
time and formality committed to each life cycle stage. The combination of clearly
defined life cycle model, project team roles, delivery milestones, and solution
development principles.
Software Engineering Methods provide the Technical how-tos for building
Software. Methods encompass a broad array of tasks that includes Requirement
Analysis, Design, Program Construction, Testing and Support. Software Engineering
Methods rely on a set of basic principles that govern each area of the technology andinclude modeling activities and other descriptive techniques.
The generic phases that characterize the software process definition,
development and support are applicable to all software. The problem to select the
model that is appropriate to the software to be engineered by a project team. The wide
array of software engineering paradigms available is:
The Linear Sequential Model
The Prototyping ModelThe RAD Model
The Incremental Model
The Spiral Model
The WIN-WIN Spiral Model
The Component-Based Development Model
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The Concurrent Development Model
The Formal Methods Model
The Fourth Generation Techniques Model
In our project we have used The Prototyping Model and The Fourth Generation
Techniques Model.
10.2 The Prototyping Model:
Often a customer defines a set of general objectives for software but
does not identify the detailed input, processing, or output requirements. In other cases
the developer may be unsure of the efficiency of an algorithm, adaptability of an
operating system, or the form that human / machine interaction should take. In these,
and many other situations, the prototyping paradigm may offer the best approach.
The prototyping paradigm begins with requirements gathering.
Developer and customer meet and define the overall objectives for the software,
identify whatever requirements are known, and outline areas where further definition
is mandatory.
The prototype can serve as the First System. Users get a feel for the
actual system and developers get to build something immediately.
Thus prototyping is an effective Software Engineering paradigm for our project
10.3 Fourth Generation Technique Model
The Term fourth generation technique encompasses a broad array of
software tools that have one thing in common: each enables the software engineer to
specify some characteristic of software at a high level. A software development
environment that supports 4GT paradigm includes some or all of following tools:
Non-procedural languages for database query, report generation, data manipulation,
screen interaction and definition, code generation, spread sheet capability, and similar
languages used for website creation using advanced software tools.
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Like other paradigm, 4GT begins with a requirements gathering step. Ideally, the
customer would describe requirements and there would be directly translated into and
operational prototype.
Implementation using a 4GL enables the software developer to represent
desired results in a manner that leads to automatic generation of code to create those
results.
To transform a 4GT implementation into a product, the developer must
conduct thorough testing, develop meaningful documentation and perform all other
solution integration activities that required in other software engineering paradigm.
To summarize, 4GT techniques is an important part of Software
Engineering. When coupled with prototyping technique, the 4GT paradigm may
become the dominant approach to software development.
10.4 Paradigm:
Often, site design isn't deep enough. In the development of an e-
commerce platform you need to examine how all the pieces fit together and assure
that you have agreement by all parties involved. We have been usingWater fall
method for long time. But now the software programming approach has changed and
new technology invented, we follow design patterns. Beneath its appearance, an e-
commerce platform is in its purest form a distributed system. At some point you may
need to rely on data from other areas of a company, trading partners, or third-party
payment services. The interactions of these systems and services can have dramatic
implications for your site development. Understanding them up-front and designing
for them is important.
During a recent project required that developers produce a design
document detailing their component's design before any coding was started. This may
seem like overkill, but it saved us a tremendous amount of time and money
because we were able to catch problems up-front. Design is an ongoing process
throughout the life cycle of the project!
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10.5 Development:
The development of the system is probably the most fun stage of your
project. It's when you get to translate your vision into reality. But it's also when most
of the nightmares start as you learn that things don't always work the way you
envisioned. During development you should continue the design process, revisiting
those areas .
10.6 Deployment:
Deployment will more than likely be one of the most frustrating
times for your team. It's your chance to actually test the result of your sweat and toil
and see your design in action.
The three stages of "design, development, and deployment" will often
blend together. It is important that you perform deployments to production
throughout your project and that you continually revisit the design stage. As you gain
feedback from testing and QA, you will need to optimize or rework code. This is a
natural part of the journey and you should plan for it rather than be surprised.
CHAPTER 11
SYSTEM DESIGN
11.1 Description of Operations & Process Logic
The design of an information system produces the details that state
how a system will meet the requirements identified during systems analysis. Often
systems specialists refer to this state as logical design, in contrast to developing
program software, which is referred to as physical design.
As soon as the system proposal is accepted by the user, work canstart on preparing the system specification. This phase takes the requirements as
agreed and the work which has led up to producing the proposal and develops the
system to the level of detail necessary to prepare the way for programming. At this
point the analyst is concerned with the detail of input and output, the processing
required, and the way in which the system will operate on a day-to-day basis.
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Depending on the level of complexity of the system and the amount and quality of
work done at the earlier stages, this phase can take many months of hard work. It is
concerned with the computer-oriented design of the system the detail of the input
transactions, the detail of the printed reports, screens and other outputs, the file or
database structure, the contents of records, the processing required and the efficiency
of the system form a computer processing point of view.
Systems analysts start by identifying reports and other outputs the
system will produce. Then the specific data on each is pinpointed, including its exact
location on the paper, display screen, or other medium. Usually designers sketch the
form or display as they expect it to appear when the system is completed.
The system design also describe the data to be input, calculated or stored. Individual
data items and calculation procedures are written in detail. Designers select file
structures and storage devices, such as magnetic disk, magnetic tape, or even paper
files. The procedures they write tell how to process the data and produce the output.
The documents containing the design specifications use many
different ways to portray the design charts, tables, and special+ symbols some of
which you may have used and others that may be totally new to you. The detailed
design information is passed onto the programming staff so that software
development can begin.
Designers are responsible for providing programmers with complete
and clearly outlined specifications that state what the software should do. As
programming starts, designers are available to answer questions, clarify fuzzy areas,
and handle problems that confront the programmers when using the design
specifications.
A typical system specification will contain:
1. An introduction covering the relevance of the document and how it has
evolved from the previous phases.
2. A description of the system. This is usually an outline in a narrative form with
accompanying flow charts, procedure charts, data flow diagrams or data models,
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3. Detailed description of inputs, outputs and files, for example: document
layouts (input), screen layouts, report layouts, file/record layouts, database schemes.
4. A description of the controls which operate within the system, This includes
control over input and processing, restrictions on access (e.g., passwords) and control
on output ( e.g. numbering of cheques).
5. Processing required. This may in fact be handled by specifying generally what
each program in the system is expected to do and by backing this up with
individual program specifications issued separately. Arrangements for testing may also be
described in this section.
6. Implementation considerations arrangements for converting existing files, checking
parallel runs, production of user procedures and production of computer-related
procedures.
7. A detailed development and implementation time-table. This section should list all of
the tasks to be done, including individual programs, showing the interrelationship
between each task and the planned start and completion date for each task.
8. A backup plan. This should describe the procedures to be developed for taking
security dumps of files, for ensuring system resilience (e.g., duplexing) and for running
the system at an alternative site in the event of the computer not being available.
It is at this stage that the first reliable estimate of the amount of computer
programming effort required can be produced. Up to this point the estimates are to a
large extent informed guesses and what comes out at the end of this exercise may be
quite frightening compared with the previously available estimates. This is a valid
reason for ensuring that senior management continues to have an approval role at the
conclusion of this stage.
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Estimates produced now have a firm basis and if they are substantially at
variance with the original estimates it is still not too late to review the viability of the
development. The choice now lies between:
1. Abandoning the system.
2. Continuing as planned.
3. Shelving the system for a period.
4. Modifying the aspirations for the system.
All of these options are available for an in-house development, although it is
generally felt that by the time this stage is reached the commitment is irreversible.
Where an external supplier is involved the options may be restricted by the nature of
the contract.
CHAPTER 12
IMPLEMENTATION
12.1 HTML(HYPERTEXT MARKUP LANGUAGE):HTML is used to create a static content web page displayed Into the
browser. It is user interface.
In this project, HTML is used to create a static content Webpage and
displayed into the browser. Create reservation-form,hotel search, status form, flight
search form and checkin formTo be created and make a link with the home-page.
User enter the data And submit the form.
12.2 JAVASCRIPT:Javascript is a object-based scripting language for client and
serverapplications.In my project, javascript is used for validating the data submitted by
the user such as Name checking, pnr number checking.
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12.3 JSP(JAVA SERVER PAGES):
Jsp is a server-side programming functionalities to java. It is
similar to ASP. JSP is a platform independent, creation of database-driven web
applications. JSPis used to perform business logic and it receives a request from the
user and respond the corresponding output to the user. A JSP page after compilation
generates servlet and therefore incorporates all servlet functionalities.
In this project, jsp is used for retrieving the data submitted by the
user After retrieving the data, jsp invoke the javabean components to set the retrieved
valueInto the bean. The results are retrieved from the javabean and displayed to the
user.
12.4 WEB SERVER:
The J2EE server contains the EJB container and
TheWEBContainer.The J2EE server provides services to the EJB container and
theWEB container.
It enforces security by authenticating users. It allows clients to interact with the enterprise beans. It facilitates web browser to access servlets and jsp files. It provides naming and directory services to locate and
Search services and components.
12.5 WEB CONTAINER:
The WEB container is a runtime environment for servletsAnd jsp. WEB
container contains servlet, jsp and javabean files are bundledInto an WAR files during
deployment.
12.6 J2EE APPLICATION:
WAR files are put into the server to run the J2EE application.
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CHAPTER 13
CONCLUSION
I have designed a software application which will help an user
to book tickets through web to travel by a flight.This also incorporates the processes
such as cancellation of tickets,vacatin packages,hotel search,checkin time information
status of ticket etc.
This system shows advantage over
1) Manual booking of tickets which has to be bookedbythe passenger by going to theairport office.
2) The knowledge of the status of the flight only a few hours before the departure,
3) No knowledge regarding the hotels in the destination cities.
APPENDIX
SCREEN SHOTS
1. HOME PAGE
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A.1 Home Page
2. RESERVATION
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A.2 Reservation
Description:
This screen Make Reservation will help the user to reserve tickets.He is
entitled to fill the form by filling the form such as starting place,destination place,Date
of Departure,Date of arrival,number of passengers.Once the user submits he will be
given a pnr number.
3. HOTELS SEARCH
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A.3 Hotel Search
Description:
This screen Hotel Search will help the user to get the information of a hotel
regarding the address of the hotel,availibility of rooms,rent of rooms and any attractive
packages rendered by the hotels.
4 CANCELLATION FORM
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A.4 Cancellation Form
Description:
This ScreenCancellation Form will help the user to cancel the
tickets which he has reserved already. All he has to enter the pnr number which he
should have got wlile reserving the tickets.
5. VACATION PACKAGES
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A.5 Vacation Packages
Description:
This screen Vacation Packages will allow the user to know the vacation
packages rendered by the airlines.The user can choose the vacation package which he
likes and submit it.
6. STATUS FORM
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A.6 Status Form
Description:
This screen Status Form will help the passenger to know the status
conditions of the flight before the departure.He has to enter data such as flight
number,destination city,departure city and depature time.
7. FLIGHT SEARCH
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A.7 Flight Search Form
Description:
This screen Flight Search will help the user to the detailed timetable of the
flight for the whole week such as departure time,arrival time,cities it reaches,etc.All he
has to enter the flight name,flight number.
8. CHECKIN
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A.8 CheckIn
Description:
This screen will help the user to know the chekin timings for a
passenger before boarding a flight.He has to enter the pnr number so that he will be
given the checkin time.
CHAPTER- 14
REFERENCES
http://www.sunjava.com/j2ee/
http://www.javagalaxy.com/index/jsp/
http://www.microsoft.com
Building J2ee Applications Author Socha Joh