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CHAPTER - 1
INTRODUCTION
1.1 Scope:
This Document plays a vital role in the development life cycle (SDLC) and it
describes the complete requirement of the system. It is meant for use by the
developers and will be the basic durin testin phase. !ny chanes made to the
requirements in the future will have to o throuh formal chane approval process.
1.2 Objective:
In this pro"ect# we focus on pae$level e%traction tas&s and propose a new
approach# called 'iaTech# to automatically detect the schema of a ebsite. e
formulate the pae eneration model usin an encodin scheme based on tree
templates and schema# which orani*e data by their parent node in the D+, trees.
1.3 Descriptio o! t"e Project:
Deep eb# as is &nown to everyone# contains manitudes more and valuable
information than the surface eb. -owever# ma&in use of such consolidated
information requires substantial efforts since the paes are enerated for visuali*ation
not for data e%chane. Thus# e%tractin information from eb paes for searchable
ebsites has been a &ey step for eb information interation. eneratin an
e%traction proram for a iven search form is equivalent to wrappin a data source
such that all e%tractor or wrapper prorams return data of the same format for
information interation. !n important characteristic of paes belonin to the same
ebsite is that such paes share the same template since they are encoded in a
consistent manner across all the paes. In other words# these paes are enerated with
a predefined template by pluin data values. In practice# template paes can also
occur in surface eb (with static hyperlin&s).
In this paper# we focus on pae$level e%traction tas&s and propose a new
approach# called 'iaTech# to automatically detect the schema of a ebsite. The
proposed technique presents a new structure# called fi%ed/variant pattern tree# a tree
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that carries all of the required information needed to identify the template and detect
the data schema. e combine several techniques0 alinment# pattern minin# as well
as the idea of tree templates to solve the much difficult problem of pae$level
template construction. In e%periments# 'ia Tech has much hiher precision than
12!L# one of the few pae$level e%traction system# and is comparable with other
record$level e%traction systems li&e i314 and ,S1.
1.# Itro$%ctio to &o$%'es:
The followin ,odules Involved in this pro"ect
5. Loin
6. !dmin7. 8ser
,odules description0
1. (o)i:
In this module admin can ive the user id and password and he can enter into
the home pae of the admin. If they cannot ive proper user id and password
they will not allow the home pae.
2. A$*i:!dmin can ive their username and password and loin to the application.
!dmin can add the products based on the cateory. !s well as he can view the
users feedbac&.
3. User:
In this modules user view the products details. !fterwards he can e%tract the
details based on the requirement. -ere we will display multiple products in
sinle after that it will e%tract the data in that sinle pae only.
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CHAPTER -2
S+STE& ANA(+SIS2.1 INTRODUCTION
2.1.1. ,esibi'it St%$
3reliminary investiation e%amine pro"ect feasibility# the li&elihood the system
will be useful to the orani*ation. The main ob"ective of the feasibility study is to test
the Technical# +perational and 1conomical feasibility for addin new modules and
debuin old runnin system. !ll system is feasible if they are unlimited resources
and infinite time. There are aspects in the feasibility study portion of the preliminary
investiation0
5. Technical 'easibility
6. +perational 'easibility
7. 1conomical 'easibility
2.1.1.1. Tec"ic' !esibi'it
The technical issue usually raised durin the feasibility stae of the
investiation includes the followin0
Does the necessary technoloy e%ist to do what is suested9
Do the proposed equipments have the technical capacity to hold the data
required to use the new system9
ill the proposed system provide adequate response to inquiries# reardless of
the number or location of users9
Can the system be upraded if developed9
!re there technical uarantees of accuracy# reliability# ease of access and data
security9
1arlier no system e%isted to cater to the needs of :Secure Infrastructure
Implementation System;. The current system developed is technically feasible. It is a
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web based user interface for audit wor&flow at
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development cost in creatin the system is evaluated aainst the ultimate benefit
derived from the new systems. 'inancial benefits must equal or e%ceed the costs.
The system is economically feasible. It does not require any addition hardware
or software. Since the interface for this system is developed usin the e%istin
resources and technoloies available at
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the data schema. e combine several techniques0 alinment# pattern minin# as well
as the idea of tree templates to solve the much difficult problem of pae$level
template construction. In e%periments# 'ia Tech has much hiher precision than
12!L# one of the few pae$level e%traction system# and is comparable with other
record$level e%traction systems li&e i314 and ,S1.
2.# So!t0re $ Hr$0re Re%ire*et Speci!ictios
So!t0re Re%ire*ets:
isual studio 6>5>.
Sql server 6>>?.
windows %p operatin system.
Internet 1%plorer @.> browser.
Hr$0re Re%ire*ets:
3I 6.? -* 3rocessor and !bove
4!, 5 = and !bove
-DD A> = -ard Dis& Space and !bove
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CHAPTER - 3
S+STE& DESIN3.1. INTRODUCTION
Software desin sits at the technical &ernel of the software enineerin process
and is applied reardless of the development paradim and area of application. Desin
is the first step in the development phase for any enineered product or system. The
desiner;s oal is to produce a model or representation of an entity that will later be
built. =einnin# once system requirement have been specified and analy*ed# system
desin is the first of the three technical activities $desin# code and test that is required
to build and verify software.
The importance can be stated with a sinle word Buality. Desin is the place
where quality is fostered in software development. Desin provides us with
representations of software that can assess for quality. Desin is the only way that we
can accurately translate a customer;s view into a finished software product or system.
Software desin serves as a foundation for all the software enineerin steps that
follow. ithout a stron desin we ris& buildin an unstable system E one that will be
difficult to test# one whose quality cannot be assessed until the last stae.
Durin desin# proressive refinement of data structure# proram structure#
and procedural details are developed reviewed and documented. System desin can be
viewed from either technical or pro"ect manaement perspective. 'rom the technical
point of view# desin is comprised of four activities E architectural desin# data
structure desin# interface desin and procedural desin.
3.2. Desi) Pricip'es:
=asic desin principles that enabled the software enineered to naviate
desin process
5. The desin process should not suffer from BTunnel ision.
6. The desin process should be traceable to the analysis model.
7. The desin should not reinvent the wheel.
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A. The desin should minimi*e the intellectual distance between the software
and the problem# as it e%ists in the real world.
F. The desin should e%hibit uniformity and interity.
@. The desin should be structured to accommodate chanes.
G. The desin is not codin# the codin is not a desin.
3.3. Desi) &et"o$o'o):
Desin methodoloy follows two approaches i.e. Top-$o0and botto*-%p
approach. Top$down and bottom$up arestrategies ofinformation processing and
&nowledeorderin# mostly involvin software. In practice# they can be seen as astyle of thin&in and teachin. In many cases top$down is used as a synonym of
analysisor decomposition#and bottom$up of synthesis.
! top-$o0approach is essentially brea&in down a system to ain insiht into
its compositional sub$systems. In a top$down approach an overview of the system is
first formulated# specifyin but not detailin any first$level subsystems. 1ach
subsystem is then refined in yet reater detail# sometimes in many additional
subsystem levels# until the entire specification is reduced to base elements.
! botto*-%papproach is piecin toether systems to ive rise to rander
systems# thus ma&in the oriinal systems sub$systems of the emerent system. In a
bottom$up approach the individual base elements of the system are first specified in
reat detail. These elements are then lin&ed toether to form larer subsystems# which
then in turn are lin&ed# sometimes in many levels# until a complete top$level system is
formed. This stratey often resembles a HseedH model# whereby the beinnins are
small but eventually row in comple%ity and completeness.
SD(C *et"o$o'o)ies
This document play a vital role in the development of life cycle (SDLC) as it
describes the complete requirement of the system. It means for use by developers and
will be the basic durin testin phase. !ny chanes made to the requirements in the
future will have to o throuh formal chane approval process.
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http://en.wikipedia.org/wiki/Strategyhttp://en.wikipedia.org/wiki/Strategyhttp://en.wikipedia.org/wiki/Information_processinghttp://en.wikipedia.org/wiki/Information_processinghttp://en.wikipedia.org/wiki/Knowledgehttp://en.wikipedia.org/wiki/Synonymhttp://en.wikipedia.org/wiki/Analysishttp://en.wikipedia.org/wiki/Decomposition_(disambiguation)http://en.wikipedia.org/wiki/Synthesishttp://en.wikipedia.org/wiki/Strategyhttp://en.wikipedia.org/wiki/Information_processinghttp://en.wikipedia.org/wiki/Knowledgehttp://en.wikipedia.org/wiki/Synonymhttp://en.wikipedia.org/wiki/Analysishttp://en.wikipedia.org/wiki/Decomposition_(disambiguation)http://en.wikipedia.org/wiki/Synthesis8/11/2019 Somu Record (Repaired)
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Spir' *o$e':
This model was defined by =arry =oehm in his 5?? article# B! spiral ,odel
of Software Development and 1nhancement. This model was not the first model to
discuss iterative development# but it was the first model to e%plain why the iteration
models.
!s oriinally envisioned# the iterations were typically @ months to 6 years
lon. 1ach phase starts with a desin oal and ends with a client reviewin the
proress thus far. !nalysis and enineerin efforts are applied at each phase of the
pro"ect# with an eye toward the end oal of the pro"ect.
T"e !o''o0i) $i)r* s"o0s "o0 spir' *o$e' cts 'ie:
,i) 3.3.2. Spir' *o$e'
The steps for Spiral ,odel can be enerali*ed as follows0
The new system requirements are defined in as much details as possible.
This usually involves interviewin a number of usersrepresentin all the
e%ternal or internal users and other aspects of the e%istin system.
! preliminary desin is created for the new system.
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! first prototype of the new system is constructed from the preliminary
desin. This is usually a scaled$down system# and represents an
appro%imation of the characteristics of the final product.
! second prototype is evolved by a fourfold procedure0
5. 1valuatin the first prototype in terms of its strenths# wea&ness#
and ris&s.
6. Definin the requirements of the second prototype.
7. 3lannin an desinin the second prototype.
A. Constructin and testin the second prototype.
!t the customer option# the entire pro"ect can be aborted if the ris& is
deemed too reat. 4is& factors miht involve development cost overruns#
operatin$cost miscalculation# or any other factor that could# in the
customer;s "udment# result in a less$than$satisfactory final product.
The e%istin prototype is evaluated in the same manner as was the
previous prototype# and if necessary# another prototype is developed from
it accordin to the fourfold procedure outlined above.
The precedin steps are iterated until the customer is satisfied that the
refined prototype represents the final product desired.
The final system is constructed# based on the refined prototype.
The final system is thorouhly evaluated and tested. 4outine maintenance
is carried on a continuin basis to prevent lare scale failures and to
minimi*e down time.
3.# D,D4ER4U&( DIARA&S
3.#.1.DATA ,(O5 DIARA&S
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! data flow diaram is raphical tool used to describe and analy*e movement
of data throuh a system. These are the central tool and the basis from which the
other components are developed. The transformation of data from input to output#
throuh processed# may be described loically and independently of physical
components associated with the system. These are &nown as the loical data flow
diarams. The physical data flow diarams show the actual implements and
movement of data between people# departments and wor&stations. ! full description
of a system actually consists of a set of data flow diarams. 8sin two familiar
notations Jourdon# ane and Sarson notation develops the data flow diarams. 1ach
component in a D'D is labeled with a descriptive name. 3rocess is further identified
with a number that will be used for identification purpose. The development of
D'D;S is done in several levels. 1ach process in lower level diarams can be bro&en
down into a more detailed D'D in the ne%t level. The lop$level diaram is often
called conte%t diaram. It consists a sinle process bit# which plays vital role in
studyin the current system. The process in the conte%t level diaram is e%ploded
into other process at the first level D'D.
The idea behind the e%plosion of a process into more process is that
understandin at one level of detail is e%ploded into reater detail at the ne%t level.
This is done until further e%plosion is necessary and an adequate amount of detail is
described for analyst to understand the process.
Larry Constantine first developed the D'D as a way of e%pressin system
requirements in a raphical from# this lead to the modular desin.
! D'D is also &nown as a Bbubble Chart has the purpose of clarifyin system
requirements and identifyin ma"or transformations that will become prorams in
system desin. So it is the startin point of the desin to the lowest level of detail. !
D'D consists of a series of bubbles "oined by data flows in the system.
D,D s*bo's:
In the D'D# there are four symbols
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5. ! square defines a source(oriinator) or destination of system data
6. !n arrow identifies data flow. It is the pipeline throuh which the information
flows
7. ! circle or a bubble represents a process that transforms incomin data flow into
outoin data flows.
A. !n open rectanle is a data store# data at rest or a temporary repository of data
3rocess that transforms data flow.
Source or Destination of data
Data flow
Data Store
3.#.1.1. Costr%cti) D,D:
Several rules of thumb are used in drawin D'D;S0
5. 3rocess should be named and numbered for an easy reference. 1ach name should
be representative of the process.
6. The direction of flow is from top to bottom and from left to riht. Data
traditionally flow from source to the destination althouh they may flow bac& to
the source. +ne way to indicate this is to draw lon flow line bac& to a source.
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!n alternative way is to repeat the source symbol as a destination. Since it is used
more than once in the D'D it is mar&ed with a short diaonal.
7. hen a process is e%ploded into lower level details# they are numbered.
A. The names of data stores and destinations are written in capital letters. 3rocess and
dataflow names have the first letter of each wor& capitali*ed
! D'D typically shows the minimum contents of data store. 1ach data store
should contain all the data elements that flow in and out.
uestionnaires should contain all the data elements that flow in and out.
,issin interfaces redundancies and li&e is then accounted for often throuh
interviews.
3.#.1.2. S'iet ,et%res O! D,D6s
5. The D'D shows flow of data# not of control loops and decision are controlled
considerations do not appear on a D'D.
6. The D'D does not indicate the time factor involved in any process whether the
dataflow ta&e place daily# wee&ly# monthly or yearly.
7. The sequence of events is not brouht out on the D'D.
3.#.1.3. Tpes O! Dt ,'o0 Di)r*s
5. Current 3hysical
6. Current Loical
7.
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2. C%rret 'o)ic':
The physical aspects at the system are removed as mush as possible so that the
current system is reduced to its essence to the data and the processors that transforms
them reardless of actual physical form.
3. Ne0 'o)ic'0
This is e%actly li&e a current loical model if the user were completely happy
with he user were completely happy with the functionality of the current system but
had problems with how it was implemented typically throuh the new loical model
will differ from current loical model while havin additional functions# absolute
function removal and inefficient flows reconi*ed.
#. Ne0 p"sic':
The new physical represents only the physical implementation of the new
system.
3.#.1.3. R%'es overi) t"e D,D6s
Process
5.
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The oriin and / or destination of data.
5. Data cannot move direly from a source to sin& it must be moved by a process
6. ! source and /or sin& has a noun phrase land
Dt ,'o0
5. ! Data 'low has only one direction of flow between symbols. It may flow in
both directions between a process and a data store to show a read before an
update. The later is usually indicated however by two separate arrows since
these happen at different type.
6. ! "oin in D'D means that e%actly the same data comes from any of two ormore different processes data store or sin& to a common location.
7. ! data flow cannot o directly bac& to the same process it leads. There must
be atleast one other process that handles the data flow produce some other data
flow returns the oriinal data into the beinnin process.
A. ! Data flow to a data store means update (delete or chane).
F. ! data 'low from a data store means retrieve or use.
! data flow has a noun phrase label more than one data flow noun phrase can
appear on a sinle arrow as lon as all of the flows on the same arrow move toether
as one pac&ae.
Cote/t (eve' 78t"(eve'9 D,D
Descriptio: This is parent level of remainin D'D;s. It shows that how the data isprocessin from input to output.
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,i) 3.#.1. Cote/t 'eve' Dt ,'o0 Di)r*
,irst 'eve' D,D:
It is drawn from conte%t level# this D'D describes that user enter into website
with his credentials.
,i) 3.#.2. ,irst 'eve' D,D
Seco$ (eve' D,D:
It is drawn from conte%t level# this D'D describes that !dministrator enter
into website with his credentials.
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,i) 3.#.3.seco$ 'eve' D,D
3.#.2. ER Di)r*s
The relation upon the system is structure throuh a conceptual 14$
Diaram# which not only specifics the e%istential entities but also the standard
relations throuh which the system e%ists and the cardinalities that are necessary
for the system state to continue.
The entity 4elationship Diaram (14D) depicts the relationship between the data
ob"ects. The 14D is the notation that is used to conduct the date modelin activity
the attributes of each data ob"ect noted is the 14D can be described resin a data
ob"ect descriptions.
The set of primary components that are identified by the 14D are
Data ob"ect 4elationships
!ttributes arious types of indicators.
The primary purpose of the 14D is to represent data ob"ects and their relationships.
3.#.2. U&( $i)r*s
The 8nified ,odelin Lanuae (8,L) is used to specify# visuali*e# modify#
construct and document the artifacts of an ob"ect$oriented software intensive system
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under development. The 8,L uses mostly raphical notations to e%press the desin
of software pro"ects. 8,L offers a standard way to visuali*e a systemKs architectural
blueprints# includin elements such as0
,i) 3.#.#.Over vie0 o! Desi)
actors
business processes
(loical) components
activities
prorammin lanuae statements
database schemas# and
4eusable software components.
U&( Di)r*s Overvie0:
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8,L combines best techniques from data modelin (entity relationship
diarams)# business modelin (wor& flows)# ob"ect modelin# and component
modelin. It can be used with all processes# throuhout the software development life
cycle# and across different implementation technoloies .8,L has synthesi*ed the
notations of the =ooch method# the +b"ect$modelin technique (+,T) and +b"ect$
oriented software enineerin (++S1) by fusin them into a sinle# common and
widely usable modelin lanuae. 8,L aims to be a standard modelin lanuae
which can model concurrent and distributed systems.
3.#.2.1 T"i)s i U&(
Thins are the abstractions that are first$class citi*ens in a model. 4elationshipstie these thins toether. Diarams roup the interestin collection of thins. There
are four &inds of thins in the 8,L
5. Structural thins
6. =ehavioral thins.
7. roupin thins
A. !nnotational thins
These thins are the basic ob"ect oriented buildin bloc&s of the 8,L. They
are used to write well$formed models.
1. Str%ct%r' T"i)s
Structural thins are the nouns of the 8,L models. These are mostly static
parts of the model# representin elements that are either conceptual or physical. In all#
there are seven &inds of Structural thins.
9 C'ss
! class is a description of a set of ob"ects that share the same attributes#
operations# relationships# and semantics. ! class implements one or more interfaces.
raphically a class is rendered as a rectanle# usually includin its name# attributes
and operations# as shown below.
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Window
origin
Size
Open()
Close()Display()
b9 Iter!ce
!n interface is a collection of operations that specify a service of a class or
component. !n interface describes the e%ternally visible behavior of that element.
raphically the interface is rendered as a circle toether with its name.
c9 Co''bortio
Collaboration defines an interaction and is a society of roles and other
elements that wor& toether to provide some cooperative behavior that;s bier than
the sum of all the elements. raphically# collaboration is rendered as an ellipse with
dashed lines# usually includin only its name as shown below.
$9 Use Cse
8se case is a description of a set of sequence of actions that a system performs
that yields an observable result of value to a particular thins in a model. raphically#
8se Case is rendered as an ellipse with dashed lines# usually includin only its
name as shown below.
e9 Co*poet
Component is a physical and replaceable part of a system that conforms to and
provides the reali*ation of a set of interfaces. raphically# a component is rendered as
a rectanle with tabs# usually includin only its name# as shown below.
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Chain of
Responsibility
3lace +rder
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orderform.java
!9 No$e
!
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3. ro%pi) T"i)s
roupin thins are the orani*ational parts of the 8,L models. These are the
bo%es into which a model can be decomposed.
Pc)e
! pac&ae is a eneral$purpose mechanism for orani*in elements into roups.
Business Rules
#. Aottio' T"i)s
!nnotational thins are the e%planatory parts of the 8,L models.
Note
! note is simply a symbol for renderin constraints and comments attached to
an element or a collection of elements. raphically a note is rendered as a rectanle
with do$eared corner toether# with a te%tual or raphical comment# as shown below.
3.#.2.2. Re'tios"ips i t"e U&(
The word B
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1. Depe$ec:
The relationship BDependency between two entities refer to position where
chanes caused to one entity may have its effect on other entity. The dependency
relationship is represented as#
!s seen from the fiure the dependency symbol is represented by a dashed
arrow proceedin in one direction.
2. Associtio:
! structural relationship that shows a connection amon ob"ects is called as an
B!ssociation. It is represented as#
3. eer'i;tio:
enerali*ation is termed as BSpeciali*ed 4elationship. In this relationship#
the ob"ects of one entity can be substituted with the ob"ects of another entity. The
entity whose ob"ects are substituted is &nown as parent entity and the entity# which is
providin ob"ects for replacement# is &nown as child entity. It is represented as#
#. Re'i;tio:
4eali*ation is a relationship between classifiers in which one classifier lays
down a contract and another classifier uarantees to carry out this contract.
3.#.2.3. Di)r*s i t"e U&(
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Str%ct%r' Di)r*s:
The Structural Diarams are four types. They are as follows.
a. Class diarams
b. +b"ect diarams
c. Component Diarams
d. Deployment Diarams
9 C'ss Di)r*s
Class diarams are the most common diarams found in modelin ob"ect$
oriented systems. ! class diaram shows a set of classes# interfaces# and
collaborations and their relationships. raphically# a class diaram is a collection of
vertices and arcs.
Cotets:
Class Diarams commonly contain the followin thins
Classes
Interfaces
Collaborations
Dependency# enerali*ation and association relationships
b9 Object $i)r*s
henever to encounter a iven set of ob"ects bounded by certain relationships
then all these elements collaborates to be an ob"ect diaram. These diarams are used
in modelin static desin view and process view of the system and also used inmodelin the orani*ation of ob"ects.
Cotets:
+b"ect Diaram consists of two important elements i.e.
+b"ects
4elationships
c9 Co*poet Di)r*s
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! component is the physical implementation of classes and collaborations.
!rchitecture of a system can be e%plained with its components.
Therefore a component is the basic buildin bloc& of a system. These diaram
scan be achieved by modelin various physical components li&e libraries# tables# files
etc. which are residin internal to iven node.
Cotets:
Components
Interfaces
4elationships
$9 Dep'o*et Di)r*s
The deployment diarams indicate the processin elements# processes#
software components. The static deployment view of a system in terms of different
components# processes can be modeled by deployment diarams.
! deployment diaram contains$nodes and relationships (dependency and
association). This diaram is used to &now which components will run on which
nodes (with the stereo typesupportsMM) similarly the miration of components will
be represented by the stereo typebecomesMM.
Cotets:
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8se Case diarams are one of the five diarams in the 8,L for modelin the
dynamic aspects of systems (activity diarams# sequence diarams# state chart
diarams and collaboration diarams are the four other &inds of diarams in the 8,L
for modelin the dynamic aspects of systems). 8se Case diarams are central to
modelin the behavior of the system# a sub$system# or a class. 1ach one shows a set of
use cases and actors and relationships.
Co**o Properties
! 8se Case diaram is "ust a special &ind of diaram and shares the same
common properties# as do all other diarams$ a name and raphical contents that are a
pro"ection into the model. hat distinuishes a use case diaram from all other &indsof diarams is its particular content.
Cotets:
8se Case diarams commonly contain0
8se Cases
!ctors
Dependency# enerali*ation# and association relationships
Li&e all other diarams# use case diarams may contain notes and constraints.
8se Case diarams may also contain pac&aes# which are used to roup elements of
your model into larer chun&s. +ccasionally# you will want to place instances of use
cases in your diarams# as well# especially when you want to visuali*e a specific
e%ecutin system.
b9 Se%ece Di)r*s
! sequence diaram is an interaction diaram that emphasi*es the time
orderin of the messaes. raphically# a sequence diaram is a table that shows
ob"ects arraned alon the 2$a%is and messaes# ordered in increasin time# alon the
J$a%is.
Typically you place the ob"ect that initiates the interaction at the left# and
increasinly more sub$routine ob"ects to the riht.
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Sequence diarams have two interestin features
There is the ob"ect lifeline. !n ob"ect lifeline is the vertical dashed line that
represents the e%istence of an ob"ect over a period of time. ,ost ob"ects that appear in
the interaction diarams will be in e%istence for the duration of the interaction# so
these ob"ects are all alined at the top of the diaram# with their lifelines drawn from
the top of the diaram to the bottom.
There is a focus of the control. The focus of control is tall# thin rectanle that
shows the period of time durin which an ob"ect is performin an action# either
directly or throuh the subordinate procedure. The top of the rectanle is alins with
the actionN the bottom is alined with its completion.
c9 Co''bortio Di)r*s
Collaboration Diarams remains analoous with sequence diarams since
these diarams encompasses various ob"ects# there lin&s alon with transmission
/receivin of messaes. In this way they coordinate to structural aspects of the system
(which also provides dynamic view of the system).
The collaboration diaram contains set of ob"ectsN lin&s and the messaes send and
received by them.
$9 Activit Di)r*s
!n !ctivity Diaram is essentially a flow chart showin flow of control from
activity to activity. They are used to model the dynamic aspects of as system. They
can also be used to model the flow of an ob"ect as it moves from state to state at
different points in the flow of control.
!n activity is an onoin non$atomic e%ecution with in a state machine.
!ctivities ultimately result in some action# which is made up of e%ecutable atomic
computations that result in a chane of state of distinuishes a use case diaram from
all other &inds of diarams is its particular content.
e9 Stte C"rt Di)r*s
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! state chart diaram shows a state machine. State chart diarams are used to
model the dynamic aspects of the system. 'or the most part this involves modelin the
behavior of the reactive ob"ects.
! reactive ob"ect is one whose behavior is best characteri*ed by its response to
events dispatched from outside its conte%t. ! reactive ob"ect has a clear lifeline whose
current behavior is affected by its past.
! state chart diaram show a state machine emphasi*in the flow of control
from state to state. ! state machine is a behavior that specifies the sequence of states
an ob"ect oes throuh durin its lifetime in response to events toether with its
response to those events.
! state is a condition in the life of the ob"ect durin which it satisfies some
conditions# performs some activity or wait for some events. !n event is a specification
of a sinificant occurrence that has a location in time and space. raphically a state
chart diaram is a collection of vertices and arcs. State chart diaram commonly
contain.
C'ss Di)r*:
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In this class diaram we establish the connection between classes. In this
pro"ect the below thins are user defined classes.
,i) 3.#.2.3.# c'ss $i)r*
Use Cse $i)r*s:
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It is describes that both user and administrator functionalities in pro"ect.
,i) 3.#.2.3.
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It describes that how the process done sequentially front end to data base.
Admin frmogin BA Cls!rodu"#s DA S$%elper Da#a&ase
' n#er Creden#ials()
* ogin()
+ ,e"u#eDa#ase#()
- Re.ues# of ,e"u#eDa#ase#()
/ Response of ,e"u#eDa#ase#()0 Resul#()
1 S2ow resul#()
,i) 3.#.2.3.=. Se%ece Di)r* over >ie0
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Activit Di)r*
It is describes that user reistration activities.
,i) 3.#.2.3.?. Activit $i)r* e/*p'e
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Get the Details
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#nte$ %se$ Re&ist$ation Details
S'bmit
(o
)es
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S'""essf'lly Re&iste$e
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Co''bortio Di)r*
It is describes that what activities are perform in the !dmin reistration.
Admin
frmogin
BA Cls!rodu"#sDA S$%elper
Da#a&ase
' n#er Creden#ials()
* ogin()
+ ,e"u#eDa#ase#()
- Re.ues# of ,e"u#eDa#ase#()/ Response of ,e"u#eDa#ase#()
0 Resul#()
1 S2ow resul#()
,i) 3.#.2.3.@. Co''bortio $i)r* e/*p'e
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Dep'o*et Di)r*:
This diaram describe that how the user connect the all activities.
,i) 3.#.2.3. Dep'o*et $i)r*
3.
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tbl_ Feedback
Tb'e 3.
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tbl_ Product
Tb'e 3.
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Direct Coversio:
In direct conversion the orani*ation slips usin the old system O the new one
at the same time.
Pr''e' Coversio:
3arallel conversion involves runnin both old system and new system and
comparin their results .The new system is accepted only after the results have
matched for an acceptable prior.
P'ot Coversio:
3lot conversion means introducin the new system to a small part of
orani*ation# e%pandin its use once it is &nown to operatin properly there.
1ventually it will be use by entire orani*ation.
P"se$ Coversio:
3hased conversion means introducin a system in stae# one component or
one module at a time# waitin until that one operatin properly before introducin
ne%t.
#.2. Overvie0 o! I*p'e*ettio ()%)e
#.2.1 Itro$%ctio To .Net ,r*e0or:
The &icroso!t .NET ,r*e0oris a software technoloy that is available
with several ,icrosoft indows operatin systems. It includes a lare library of pre$
coded solutions to common prorammin problems and a virtual machine that
manaes the e%ecution of prorams written specifically for the framewor&. The .
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this runtime environment is &nown as the Common Lanuae 4untime(CL4). The
CL4 provides the appearance of an application virtual machineso that prorammers
need not consider the capabilities of the specific C38that will e%ecute the proram.
The CL4 also provides other important services such as security# memory
manaement# and e%ception handlin. The class library and the CL4 toether
compose the .
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Si*p'i!ie$ Dep'o*et
Installation of computer software must be carefully manaed to ensure that it
does not interfere with previously installed software# and that it conforms to securityrequirements. The .. In addition# ,icrosoft submits the
specifications for the Common Lanuae Infrastructure (which includes the core class
libraries# Common Type System# and the Common Intermediate Lanuae)# the CP
lanuae# and the CQQ/CLI lanuae to both 1C,! and the IS+# ma&in them
available as open standards. This ma&es it possible for third parties to create
compatible implementations of the framewor& and its lanuaes on other platforms.
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Architecture
,i) #.2.1.2.1. >is%' overvie0 o! t"e Co**o ()%)e
I!rstr%ct%re
Co**o ()%)e I!rstr%ct%re
The core aspects of the .NET !r*e0or lie within the Common Lanuae
Infrastructure# or C(I. The purpose of the CLI is to provide a lanuae$neutralplatform for application development and e%ecution# includin functions for e%ception
handlin# arbae collection# security# and interoperability. ,icrosoftKs
implementation of the CLI is called the Co**o ()%)e R%ti*eor C(R.
Asse*b'ies
The intermediate CIL code is housed in .
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more files# one of which must contain the manifest# which has the metadata for the
assembly. The complete name of an assembly (not to be confused with the filename
on dis&) contains its simple te%t name# version number# culture# and public &ey to&en.
The public &ey to&en is a unique hash enerated when the assembly is compiled# thus
two assemblies with the same public &ey to&en are uaranteed to be identical from the
point of view of the framewor&. ! private &ey can also be specified &nown only to the
creator of the assembly and can be used for stron namin and to uarantee that the
assembly is from the same author when a new version of the assembly is compiled
(required addin an assembly to the lobal !ssembly Cache).
&et$t
!ll CLI is self$describin throuh .
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code that is KsafeK does not pass. 8nsafe code will only be e%ecuted if the assembly has
the Ks&ip verificationK permission# which enerally means code that is installed on the
local machine.
.
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available in both .ersios
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http://en.wikipedia.org/wiki/ASP.NEThttp://en.wikipedia.org/wiki/ASP.NEThttp://en.wikipedia.org/wiki/Language_Integrated_Queryhttp://en.wikipedia.org/wiki/Language_Integrated_Queryhttp://en.wikipedia.org/wiki/Windows_Presentation_Foundationhttp://en.wikipedia.org/wiki/Windows_Communication_Foundationhttp://en.wikipedia.org/wiki/Windows_Communication_Foundationhttp://en.wikipedia.org/wiki/C%2B%2Bhttp://en.wikipedia.org/wiki/Java_Class_Libraryhttp://en.wikipedia.org/wiki/Java_Class_Libraryhttp://en.wikipedia.org/wiki/ASP.NEThttp://en.wikipedia.org/wiki/Language_Integrated_Queryhttp://en.wikipedia.org/wiki/Language_Integrated_Queryhttp://en.wikipedia.org/wiki/Windows_Presentation_Foundationhttp://en.wikipedia.org/wiki/Windows_Communication_Foundationhttp://en.wikipedia.org/wiki/Windows_Communication_Foundationhttp://en.wikipedia.org/wiki/C%2B%2Bhttp://en.wikipedia.org/wiki/Java_Class_Library8/11/2019 Somu Record (Repaired)
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,icrosoft started development on the . 5.>.7G>F.> 6>>6$>5$>F
5.5 5.5.A766.FG7 6>>7$>A$>5
6.> 6.>.F>G6G.A6 6>>F$55$>G
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Tb'e #.2.1.2.2. T"e.NET ,r*e0orstc
#.2.1.3. C'iet App'ictio Deve'op*et
Client applications are the closest to a traditional style of application in
indows$based prorammin. These are the types of applications that display
windows or forms on the des&top# enablin a user to perform a tas&. Client
applications include applications such as word processors and spreadsheets# as well as
custom business applications such as data$entry tools# reportin tools# and so on.
Client applications usually employ windows# menus# buttons# and other 8I
elements# and they li&ely access local resources such as the file system and
peripherals such as printers. !nother &ind of client application is the traditional
!ctive2 control (now replaced by the manaed indows 'orms control) deployed
over the Internet as a eb pae. This application is much li&e other client
applications0 it is e%ecuted natively# has access to local resources# and includes
raphical elements.
In the past# developers created such applications usin C/CQQ in con"unction
with the ,icrosoft 'oundation Classes (,'C) or with a rapid application
development (4!D) environment such as ,icrosoft isual =asic. The .
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'ramewor& interates the developer interface# ma&in codin simpler and more
consistent.
#.2.2. ASP.NET
#.2.2.1. Server App'ictio Deve'op*et
Server$side applications in the manaed world are implemented throuh
runtime hosts. 8nmanaed applications host the common lanuae runtime# which
allows your custom manaed code to control the behavior of the server. This model
provides you with all the features of the common lanuae runtime and class library
while ainin the performance and scalability of the host server.
The followin illustration shows a basic networ& schema with manaed code
runnin in different server environments. Servers such as IIS and SL Server can
perform standard operations while your application loic e%ecutes throuh the
manaed code.
#.2.2.2. Server-Si$e &)e$ Co$e
!S3.
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technoloy is rapidly movin application development and deployment into the hihly
distributed environment of the Internet.
If you have used earlier versions of !S3 technoloy# you will immediately
notice the improvements that !S3.
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'inally# li&e eb 'orms paes in the manaed environment# your 2,L eb
service will run with the speed of native machine lanuae usin the scalable
communication of IIS.
#.2.2.3. Active Server P)es.NET
!S3.
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!dditionally# the common lanuae runtime simplifies development# with
manaed code services such as automatic reference countin and arbae
collection.
&)ebi'it. !S3.
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specifically desined to address a number of &ey deficiencies in the previous model.
In particular# it provides0
The ability to create and use reusable 8I controls that can encapsulate
common functionality and thus reduce the amount of code that a pae
developer has to write.
The ability for developers to cleanly structure their pae loic in an orderly
fashion (not Hspahetti codeH).
The ability for development tools to provide stron JSIJ desin
support for paes (e%istin !S3 code is opaque to tools).
!S3.
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#.2.2.#. INTRODUCTION TO ASP.NET SER>ER CONTRO(S
In addition to (or instead of) usin V VM code bloc&s to proram dynamic
content# !S3.
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!S3.
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+racle Data 3rovider +racle 'or +racle Databases.
SL Data 3rovider Sql 'or interactin with ,icrosoft SL Server.
=orland Data
3rovider=dp
eneric access to many databases such as
Interbase# SL Server# I=, D=6# and +racle.
Tb'e #.2.3..1. ADO.NET Dt Provi$ers re c'ss 'ibrries t"t ''o0
co**o 0 to iterct 0it" speci!ic $t so%rces or protoco's. T"e 'ibrr
APIs "ve pre!i/es t"t i$icte 0"ic" provi$er t"e s%pport.
!n e%ample may help you to understand the meanin of the !3I prefi%. +ne
of the first !D+.
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T"e S' Co**$ Object
The process of interactin with a database means that you must specify the
actions you want to occur. This is done with a command ob"ect. Jou use a command
ob"ect to send SL statements to the database. ! command ob"ect uses a connection
ob"ect to fiure out which database to communicate with. Jou can use a command
ob"ect alone# to e%ecute a command directly# or assin a reference to a command
ob"ect to an SqlData!dapter# which holds a set of commands that wor& on a roup of
data as described below.
T"e S' DtRe$er Object
,any data operations require that you only et a stream of data for readin.
The data reader ob"ect allows you to obtain the results of a S1L1CT statement from a
command ob"ect. 'or performance reasons# the data returned from a data reader is a
fast forward$only stream of data. This means that you can only pull the data from the
stream in a sequential manner. This is ood for speed# but if you need to manipulate
data# then a DataSet is a better ob"ect to wor& with.
T"e DtSet Object
DataSet ob"ects are in$memory representations of data. They contain multiple
Datatable ob"ects# which contain columns and rows# "ust li&e normal database tables.
Jou can even define relations between tables to create parent$child relationships. The
DataSet is specifically desined to help manae data in memory and to supportdisconnected operations on data# when such a scenario ma&e sense. The DataSet is an
ob"ect that is used by all of the Data 3roviders# which is why it does not have a Data
3rovider specific prefi%.
T"e S'DtA$pter Object
Sometimes the data you wor& with is primarily read$only and you rarely need
to ma&e chanes to the underlyin data source. Some situations also call for cachin
data in memory to minimi*e the number of database calls for data that does not
chane. The data adapter ma&es it easy for you to accomplish these thins by helpin
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to manae data in a disconnected mode. The data adapter fills a DataSet ob"ect when
readin the data and writes in a sinle batch when persistin chanes bac& to the
database. ! data adapter contains a reference to the connection ob"ect and opens and
closes the connection automatically when readin from or writin to the database.
!dditionally# the data adapter contains command ob"ect references for S1L1CT#
I>? is made of various parts# which we will review
when necessary.
#.3. Overvie0 o! I*p'e*ettio Dt se
#.3.1 S( SER>ER
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http://www.functionx.com/csharp/Lesson01.htmhttp://www.functionx.com/csharp/Lesson01.htmhttp://www.functionx.com/csharp/Lesson01.htmhttp://www.functionx.com/csharp/Lesson01.htmhttp://www.functionx.com/csharp/Lesson01.htmhttp://www.functionx.com/csharp/Lesson01.htmhttp://www.functionx.com/csharp/Lesson01.htmhttp://www.functionx.com/csharp/Lesson01.htm8/11/2019 Somu Record (Repaired)
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! database manaement# or D=,S# ives the user access to their data and
helps them transform the data into information. Such database manaement systems
include d=ase# parado%# I,S# SL Server and SL Server. These systems allow
users to create# update and e%tract information from their database.
! database is a structured collection of data. Data refers to the characteristics
of people# thins and events. SL Server stores each data item in its own fields. In
SL Server# the fields relatin to a particular person# thin or event are bundled
toether to form a sinle complete unit of data# called a record (it can also be referred
to as raw or an occurrence). 1ach record is made up of a number of fields.
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hen a field is one table matches the primary &ey of another field is referred
to as a forein &ey. ! forein &ey is a field or a roup of fields in one table whose
values match those of the primary &ey of another table.
Re!ereti' Ite)rit
ie0
'eve': This is the hihest level of abstraction at which one describes only part of the
database.
CHAPTER - ie0 ,ee$bc
,or* N*e:!dd
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,or* .= A$$ Ne0 Pro$%ct
,or* N*e:iew 3roducts
Descriptio: In this user can view the products in our website.
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,or* .? >ie0 Pro$%cts
C. REPORTS
Report N*e: !dministrator -ome pae.
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Descriptio: It is the identification for admin successful loin.
Report C.1 A$*iistrtor Ho*e p)e.
Report N*e: 3assword chane
Descriptio: the admin was chane the password correctly this report was
enerated.
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Report C.2 Pss0or$ c")e
Report N*e: !dd 3roduct
Descriptio: The admin was add product to website successfully.
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Report C.3A$$ Pro$%ct