taxicab company

ABC-Taxi Cab Company| System Analysis and Design 1

The idea of this document is to create an

analysis of the ABC – Taxi Cab Company to

understand their actual operation and give

some improvements for the companies

better performance

ABC-Taxi

Cab

Company Isqs 7338 System Analysis

and Design

Aliza Levinsky

ABC-Taxi Cab Company 2

Table of Contents

INTRODUCTION DELIVERABLE 1 ........................................................................................................... 3

Identification of Domain objects and their attributes ................................................................ 3

Relationships among objects ...................................................................................................... 7

Domain Class Diagram ........................................................................................................... 9

INTRODUCTION DELIVERABLE 2 ......................................................................................................... 10

Business User Functions ............................................................................................................ 10

Identification of activities .......................................................................................................... 11

Cluster of Activities ................................................................................................................... 13

Identification of actors .............................................................................................................. 14

Context Level Diagram .............................................................................................................. 16

Level 0 Business Use Case Diagram ........................................................................................... 16

Level 1 System Use Case Diagram ............................................................................................. 17

Maintain Cab ............................................................................................................................. 17

Dispatch Cab .............................................................................................................................. 17

Handle Daily Operations ........................................................................................................... 18

Administer System .................................................................................................................... 18

Activity Diagram Fill Work Sheet ............................................................................................... 19

INTRODUCTION DELIVERABLE 3 ......................................................................................................... 20

Login Page ................................................................................................................................. 20

Main page .................................................................................................................................. 21

Menu Screen ............................................................................................................................. 23

Data entry/query screens .......................................................................................................... 24

Interaction Diagrams ................................................................................................................. 26

Design class diagram ................................................................................................................. 28

WORKS CITED ............................................................................................................................................. 29


Introduction Deliverable 1

The main purpose of this document is to analyze the ABC Taxi Cab Company , This company is licensed to operate Taxi Cab service in the Lubbock area. The Company has been in business for the past five years. This document possess and analysis of the ABC Taxi Cab Company and its actual operation. In this fist analysis I have include

1. Identification of domain objects and their attributes

2. Relationships among the objects

3. Domain Class Diagram.

Identification of Domain objects and their attributes

In order to identify the objects of the ABC- Taxi Cab Company. A table of objects, clustered with its attributes has been created

Data List Cluster

Company.-The object contains the attributes that a company has.

CompanyID CompanyName CompanyStreet CompanyCity CompanyState CompanyZipCode CompanyTelephone CompanyWebPage

Employee.-The object contains the attributes that any employer in the company has.

EmployeeID EmployeeFirstName EmployeeLastName EmployeeStreet EmployeeCity EmployeeState EmployeeZipCode EmployeeTelephone EmployeeMail EmployeeDOB EmployeeSex EmployeeStartDate

Driver.-This object contains the attributes that are particular to a driver

DriverShiftPreference

Dispatcher.-This object belongs to the class employee


Mechanic-This object belongs to the class employee

ManagementControl-This object belongs to the class employee

Customer.-This object contains the attributes of a customer

CustomerID, CustomerFirstName CustomerLastName CustomerStreet CustomerCity CustomerState CustomerZipCode CustomerTelephone CustomerMail CustomerDOB CustomerSex

Outside Customer.-This object is an extension of Customer, for those outside customer who require maintenance

OutsiderCustomerNo OutsiderCustomerName OutsiderCustomerLastName OutsiderCustomerAddress OutsiderCustomerTelephone

Call.- This object defines the attributes of the call of a Client

CallID CallType CallDate

DriverCall.- This object defines the attributes of the call of a Driver

DriverCallLocation DriverCallStatus

FareRequest.- This object contains the attributes of the fares for being able to give information to the customers

Fare ID FareFrom FareTo FareAmountPerMile FareAmount

Complaints.- T This object contains the attributes of complaints a customer can make trough a call

ComplaintID CamplaintType ComplaintDescription

Work Shift.-This object contains the attributes of each service or shift that a driver does.

ShiftID ShiftDate ShiftStartTime ShiftEndTime ShiftDuration ShiftArea

Pickup.-This object contains the attributes of the pickup of each shiftwork.

PickupID PickupMileage PickupFuelLevel

Dropback.- This object contains the attributes of the dropback of each shiftwork.

DropbackID DropbackMileage


DropbackFuelLevel DropbackFillups DropbackFare DropbackTips DropbackMaintenanceRequest

VehicleThis object contains the attributes of the Taxi Vehicle.

TaxiID TaxiModel TaxiVin TaxiYear TaxiStatus

Area.- This object contains the attributes of the eight different areas available

AreaID AreaDesc

Maintenance.-This object contains the attributes of the services done to the cars (Preventive or repair)

MaintenanceID MaintenanceStartDate MaintenanceEndDate MaintenanceStartTime MaintenanceEndTime MantainanceType

Preventive maintenance.-This object contains the attributes of the preventive maintenance that belong to class maintenance

PreventiveMaintenanceType PreventiveMaintenanceCos

Repair maintenance This object contains the attributes of the repair maintenance that belong to class maintenance

RepairMaintenanceType RepairMaintenanceCost

Journey This object contains the attributes of the Journey that belong to class maintenance

JourneyID JourneyStartMile JourneyEndMile JourneyCharges JourneyStartTime JourneyFinishTime

CheckRegister.- object contains the attributes of necessary to perform the payroll

CheckNumber CheckDate CheckAmount CheckTax CheckGrossPay CheckNetPay

DriverPickupCustomer.- Driver ask for permission to pick up cars

DriverPickupCustomer PermissionCode DriverPickupCustomerDate DriverPickupCustomerTime

Application.- Application related432 ApplicationPoliceRecords ApplicationEmploymentHistory ApplicationStatus ApplicationEntraceDate


Derived Data objects

1.-Daily Expenses report (operating)

2.-Areawise operating expenses Revenue Tips Number of trips Number of miles driven Number of miles income earned

3.- Car hours total and break of Car hours idle, Car hours down in servicing Car hours that were run Car hours that were income generating

4.- Employee (cab driver) payroll info Pick-up time Drop-off time, Break hours Number of journeys Useful miles driven Unusual miles driven Total fares collected Total tips collected

Table 1 Data List


Relationships among objects

1 to many between Company and Employee (hires)

1 to many between Company and Vehicle (owns)

1 to many between Mechanic and Outside customer (receives)

1 to many between Control manager and Mechanic (assign)

1 to many between Control manager and CheckRegister (creates)

1 to many between Employee and CheckRegister (gets)

1 to many between Dispatcher and Driver (select)

1 to many between Dispatcher and Work shift (schedule)

1 to many between Dropback and Journey (implies)

1 to many between Vehicle and Journey (take for)

1 to many between Vehicle and WorkShift (participate)

Generalization: 1 to 1 between Employee and Control Manager (include)

Generalization: 1 to 1 between Employee and Driver (include)

Generalization: 1 to 1 between Employee and Dispatcher (include)

Generalization: 1 to 1 between Employee and Mechanic (include)

Generalization: 1 to 1 between Repair Maintenance and Maintenance (include)

Generalization: 1 to 1 between Preventive Maintenance and Maintenance (include)

Generalization: 1 to 1 between Driver Call to Call (include)

Generalization: 1 to 1 between Complaints to Call (include)

Association: between Work Shift and Pickup

Association: between Work Shift and Drop back

1 to 1 or more between Mechanic and Maintenance (performs)

1 to 1 or more between Driver and Call (pick)

1 to 1 or more between Control Manager and Application (revise)

1 to 1 or more between Dispatcher and Vehicles (provides)

1 or more to 1 or More between Outside Customer and Maintenance (ask)

1 to 0 or 1 between Application and Driver (submit)

1 to 0 or more between Dispatcher and Call (answer)

1 to 1 Journey to Call (receives)

1 to 1 Journey to Area (pertains)

1 or more to many between Are and Fare request (takes)

Many to many between Call and Customer (make) o Class: DriverPickCustomer


Domain Class Diagram



The main purpose of this document is to start a functional analysis of the ABC Taxi Cab Company, making use of the use case model. In this analysis I have included

1. Identification of business (users) functions 2. Identification of actors 3. Use case model showing three levels of user’s functions, including misuse

cases 4. Activity diagram of the Level 1 Use Case

Business User Functions

The primary activities that are performed by the ABC Taxi Cab Company are:

o Maintain cabs.-This activities deal with the maintenance and repair of the cars to actual or outside customers.

o Dispatch cabs-This is related to all the activities needed attained the incoming calls and dispatch the cabs

o Handle daily operations.- Is related to the day to day operation, including the schedule of drivers, the manager of paychecks and recruitment, the permission needed by the taxi driver to take car home and to pick up passengers.

o Administer system.-This functional requirement relates to all activities that need to be performed by the System administrator to allow users to use the system. These activities include: handle user connections, administer users roles, administer user privileges

These main activities are taken from the identification of all the activities described in the case. In the section below I summarized in a table all this activities that are performed by ABC Taxi Cab Company.


Identification of activities

The description of the activities of the company and the owners of these activities are presented in their following table.

Activity Responsible

Preventive maintenance

Maintenance department

Repair maintenance

Maintenance department

Sell services preventive and repair maintenance Maintenance department

Responsible for planning, Management Control

Responsible Policy setting Management Control

Responsible Financing Management Control

Responsible for Payroll Management Control

Responsible Accounting Management Control

Responsible Recruitment Management Control

Responsible Advertising Management Control

Review applications for Cab drivers Management Control

Scrutinizes applications (police records, prior employment history)

Management Control

Save recruitment in files Management Control

Selects Cab drivers that are work in the month Management Control

Send driver list to dispatching department Dispatching

Detail daily schedule Dispatching

Detail weekly schedule Dispatching

Match drivers preferences Drivers

Pick-up Cabs. Driver

Fill out a “shift work sheet form Driver

Filled out “Pickup Information” ( name, i.d. number, Cab number, Cab status, mileage, fuel level, pick up time etc.)

Driver

Filled out and “Dropback Information” (mileage, fuel levels, fill-ups made, number of journeys made, details to each journey, fares collected, tips collected )

Driver

Ask for permission to take car home Driver

Authorization for taxi driver to take cars home Dispatching

Hand over car to servicing for routine preventing Dispatching

Hand over car to servicing for maintenance Dispatching

Report necessary drop back” details Drivers

Call in for cabs Customer

Inquire about fares Customer


Lodge complaint Customer

Finds if car is available in area Dispatcher

Inform the customer when the cab will arrive Dispatcher

Inform the customer the fare Dispatcher

Call in every half hour and inform about location and status

Driver

Ask for permission to pick up passenger Driver

Allow pick up passenger Dispatcher

Give daily feedback to management control 1.-Daily Expenses report (operating) 2.-Areawise operating expenses :a) revenue, b) tips, c) number of trips, d) number of miles driven, e) number of miles income earned 3.- Car hours total and break of: a) car hours idle, b) car hours down in servicing, c) car hours that were run, d) car hours that were income generating 4.- Employee (cab driver) payroll info: a) pick-up time, drop-off time, b) break hours, c) number of journeys, d) useful miles driven, e) unusual miles driven, f) total fares collected, g) total tips collected

Dispatcher

Analyze the feedback to fine –tune operations, maximize profit and provide customer service

Management control

Analyze payroll information Management control

Mail paycheck to employees Number of hours worked x $0.50 + Number of journeys x $1.25 + 30% of fares collected + 100% of tips collected + Bonus = 5% of tips

Management control

Table 2: Activity List


Cluster of Activities

Maintain Cabs

Schedule Repair

Perform Maintenance

Sell service to outside customer

Dispatch Cabs

Request fare

Lodge Complaint

Assign cab

Fill Work sheet

Handle Daily operations

Schedule driver

Manage paychecks

Manage recruitment

Pick up passenger

Take car home

Administer system

Handle user connections

Administer users roles

Administer user privileges


Identification of actors

The primary users of the system are going to be the following:

Users Major Activities

Control

Manager

Responsible for handle the following daily operations like:

Manage recruitment

Manage paycheck

Dispatcher Responsible for handle the dispatch cab, it includes activities like:

Request Fare

Lodge Complaint

Assign Cab Responsible for handle the following daily operations like:

Schedule driver

Ask permission to pick up passenger

Ask permission to take car home

Mechanic Responsible for handle the maintenance of the cab, it includes activities like:

Schedule Repair

Perform maintenance

Sell service to outside customer

Driver Responsible for handle the daily operations like:

Schedule Driver

Pick up passenger

Take car home Responsible for handle dispatch activities like:

Fill Work shift Responsible for handle activities ( use cases) to mitigate attacks from misuse cases:

Lock car

Lock transmission

System

Administrator

Responsible for handle the daily operations like:

Handle user connections

Administer user roles



For the misuse case, we can identify the following misactor

Users Major Activities

Thief Responsible for handle the misuse cases

Steal car

Short ignition

Malicious user Responsible for handle the misuse cases

Steal information of paychecks

Hacker Responsible for handle the misuse cases

Dictionary attack

Brute force authentication


Context Level Diagram

Level 0 Business Use Case Diagram

System

System Administrator

Dispatcher

Control Manager

Mechanic

Driver

ABC Taxi Cab Company

System

Mechanic

Dispatcher

Control Manager

Driver


Mantain Cab

Dispatch Cab

Handle Daily Operation

Administer System


Level 1 System Use Case Diagram

Maintain Cab

Dispatch Cab

System

Mechanic

Schedule Repair

Perform mantainance

Sell service to outside customers

System

Dispatcher

Driver

Request fare

Assign Cab

Lodge complaint

Fill work shit


Handle Daily Operations

Administer System

System

Dispatcher

Driver

Schedule driver

Manage paycheck

Manage recruitment

Pickup passanger

Take car home

Control Manager

Thief

Lock car

Lock transmission

Steal car

Short ignition

<<include>>

<<mitigates>>

<<mitigates>>

<<threaten>>

<<threaten>>

<<include>>

Malicious userSteal information

<<threaten>>

Encrypt information

<<mitigates>>

System

Block account after N failed log in attempt


Validate password minimun lenght and complexity

Handle user conecction

Hacker/Malicious user

Brute force authentication

Dictionary attack

<<threaten>>

<<threaten>>

<<mitigates>>

<<mitigates>>

Administer user roles



Activity Diagram Fill Work Sheet

Driver ABC Taxi CAB Co. System

Start Shift Work SheetSelect Option

option selected

Pickup Dropback

pickupdropback

Enter dropback information

Exit

exit

Enter pickup information

Enter journey information

Are there more journeys

yesno

Work Sheet

Enter Work Sheet information

work sheet



The main purpose of this document is to create the UI and case realization, for the Taxi Driver Company. In this section I have included

1. Login page 2. Main Page 3. Menu screen 4. Two data entry/query screens (forms) 5. Two Interaction diagrams

The system is web-based and menu driven. The screens are based in best

practices of Microsoft design for the applications of CRM.

Login Page

This login page allows users who are already registered to sign in with their

user name and password. If former users have forgotten their password, they can

click the “Forgot Password” link, verify their user information and an email will be


sent to them which contain their username and password. New users to the

system can click the “New User sign up link” and they can set up a username and

password which allows them to login to the system.

Main page

The general template provides a description of the general layout for all

pages of the ABC Taxi Cab Company

ID Section Section Description

1

User authentication, log off, help, home

This section of the page displays the user’s credentials with a picture and login date (after accepting the login information). It also provides a logout of the system. It also provides de option to go to home, or search registers in all the system.

1

2 2

1

3

3

4

5

6


2

Page Action Menu

Allows users to link over to pages which will allow them to browse or look over all records in the particular option selected, add new record(s), update record(s), or delete record from a particular page.

3

List

This contains the list of the records, with different attributes, for the record that is selected.

4

Navigation pane

The navigation pane provides access to the sub-menu bar selected from the main menu bar. It contains a list of all elements within the main menu item.

5

Main Menu

This menu contains the main areas of the system that can be access depending in the privileges that very user has.

6

Page Advance

To enable easy navigation among the numerous patient records the page advance toolbar provide quick movement to the next page, previous page the first and the last page as required by the user.


Menu Screen

The main contains the items pertaining to the Taxi Cab ABC Company

System. It provides buttons that have main links to the major sections in the

system including: Dispatch Cab, Handle Daily Operations, Maintain Cabs, and

Administer System. When one of these options is selected, in the navigation pane

we have the submenu items.


Data entry/query screens Lodge Complaint

The Lodge Complaint screen shows the creation of a “New Complaint” .

When the screen loads it creates and automatic complaint ID and brings the

dispatchers name. With this form the Dispatcher can enter customer complaints.

For this the dispatcher selects from a dropdown list the customer Name which

brings customer information.

The dispatcher enters the Journey information, which specifies the journey

ID and the Driver Information, finally the dispatcher specifies what type of

complaint the customer is making and any additional description. The fields with*

are mandatory before the system can save the record. The form can be save or

reset.


Fill Work Sheet

The Fill Work Sheet screen shows the creation of a “New Worksheet”. When

the screen loads it creates and automatic Shift ID and brings the Drivers name.

With this form the Driver can enter the general Work sheet information, and specify

the area, he pickup information the drop back information and as many journeys

as the driver had made during the day. The charges and tips for each journey are

added in the general drop back section

The fields with* are mandatory before the system can save the record. The

form can be save or reset.


Interaction Diagrams In the next section I present the interaction diagrams for the two screen created

Lodge Complaint

: Dispatcher

ABC Taxi Cab Company Application ComplaintController ComplaintDComplaint CustomerD JourneyDCustomer Journey Driver DriverDWorkSheet WorkSheetD DispatecherDDispatcher

1 : LodgeComplaint()2 : NewComplaintForm()

3 : GetDispacther(DispatcherID)()4 : ReadDispatcher(DispatcherID)()

5 : GetAllCustomers()6 : ReadAllCustomers()

7 : GetAllJourney()8 : ReadAllJourney()

9 : GetAllComplaintType()10 : ReadAllComplaintType()

11 : DisplayComplaintForm

12 : CustomerSelected()13 : CustomerSelected() 14 : GetCustomer(customerID)()

15 : ReadCustomer(customerID)()

16 : JourneySelected()17 : JourneySelected()

18 : Get Journey(JourneyID, WorksheetID)()

19 : ReadJourney(JourneyID, WorksheetID)()

20 : GetWorkSheet(WorksheetID, DriverID)()

21 : ReadWorksheet(WorksheetID, DriverID)()

22 : GetDriver(DriverID)()

23 : ReadDriver(DriverID)()24 : ComplaintSelected()

25 : ComplaintSelected()

26 : GetComplaintType(ComplaintTypeID)()

27 : ReadComplaintType(ComplaintTypeID)()28 : EnterComplaintDescription()

29 : EnterComplaintDescription()

30 : SaveSelected()

31 : SaveSelected()32 : CreateComplaintRecord()33 : HomeSelected()

34 : ResetSeleted()

35 : SearchSelected()

36 : HelpSelected()

37 : LogoutSelected()


Fill WorkSheet

: Driver

ABC Taxi Cab Company Application

WorkSheetController WorkSheet AreaD JourneyDArea Journey Driver DriverDWorkSheet WorkSheetD

1 : FillWorksheet() 2 : NewWorkSheetForm()

3 : GetAllAreas()4 : ReadAllAreas()

5 : GetDriver(driverID)()6 : ReadDriver(driverID)()

7 : DisplayComplaintForm8 : EnterWorksheetDescription()

9 : EnterWorksheetDescription()

10 : AreaSelected()

11 : AreaSelected()12 : GetArea(areaID)()

13 : ReadArea(areaID)()

14 : EnterPickupInformation()15 : EnterPickupInformation()

16 : EnterDropbackInformation()

17 : EnterDropbackInformation()

18 : EnterJourneyInformation()

19 : EnterJourneyInformation()

20 *[i] : New JourneySelected()

21 *[i] : NewJourneySelected()

22 : DisplayJourneyRow

23 : ResetJourney()

24 : ResetJourney()

25 : SaveSelected()

26 : SaveSelected()27 : CreateWorksheet(worksheetDetail, pickupDetail, dropbackDetail)()

28 : CreateWorksheet(worksheetDetail, pickupDetail, dropbackDetail))()

29 : ResetSeleted()30 *[i] : Create Journey(journeyDetails,worksheetID )()

31 *[i] : Create Journey(journeyDetails,worksheetID()

32 : SearchSelected()

33 : HomeSelected()

34 : HelpSelected()

35 : LogoutSelected()


Design class diagram

Driver

+DriverShiftPreference

+GetDriver(DriverID)

Customer

+CustomerID+CustomerFirstName+CustomerLastName+CustomerStreet+CustomerCity+CustomerState+CustomerZipCode+CustomerTelephone+CustomerMail+CustomerDOB+CustomerSex

+GetAllCustomer()+GetAllCustomer(customerID)

WorkShift

+ShiftID+ShiftDate+ShiftStartTime+ShiftEndTime+ShiftDuration+ShiftArea+ShiftPermissionTakeCar

+GetWorksheet(WorksheetID, DriverID)

Pickup

+PickupID+PickupMileage+PickupFuelLevel

Dropback

+DropbackID+DropbackMileage+DropbackFuelLevel+DropbackFillups+DropbackFare+DropbackTips+DropbackMaintenanceRequest

Complaint

+ComplaintID+ComplaintType+ComplaintDescription

+GetAllComplaint()+GetComplainttYPE(ComplainTypeID)+CreateComplaintRecord()

Dispatcher

+GetDispatcher(DispatcherID)

Journey

+JourneyID+JourneyStartMile+JourneyEndMile+JourneyCharge+JourneyStartTime+JourneyFinishTime

+GetAllJourney()+GetJourney(JourneyID, WorksheetID)

TaxiCabCompanyApplication

+HelpSelected()+LogoutSelected()+SearchSelected()+ResetSelected()+HomeSelected()

ComplaintController

+NewComplaintForm()+DisplayComplaintForm()+CustomerSelected()+ComplaintSelected()+JourneySelected()+ComplaintSelected()+SaveSelected()

<<uses>>

DipatcherD

+ReadDispatcher(DispatcherID)

<<uses>>

CustomerD

+ReadAllCustomer()+ReadAllCustomer(customerID)

<<uses>>

JourneyD

+ReadAllJourney()+ReadJourney(JourneyID, WorksheetID)

<<uses>>

ComplaintD

+ReadAllComplaint()+ReadComplaintType(ComplainTypeID)+CreateComplaintRecord()

<<uses>>

<<uses>>

<<uses>>

<<uses>>

<<uses>>

<<uses>>

WorkSheetD

+ReadWorksheet(WorksheetID, DriverID)<<uses>>

<<uses>>

<<uses>>

DriverD

+ReadDriver(DriverID)

uses

<<uses>>

WorksheetController

+NewWorksheetForm()+DisplayWorksheetform()+AreaSelected()+AddNewJourneySelected()+ResetJourneySelected()+SaveSelected()

<<uses>>

Area

+AreaID+AreaDesc

<<uses>>

AreaD

+Operation1()

<<uses>>

<<uses>>

<<uses>>

<<uses>>


Works Cited Alexander, I. (n.d.). Imperial Collage London. Retrieved from http://www-

dse.doc.ic.ac.uk/Events/BCS-RESG/Aleksander.pdf

International Journal of Computer Science and Network Security. (n.d.). Retrieved 04 02, 2010,

from http://paper.ijcsns.org/07_book/200805/20080530.pdf

Yadav, D. S. (n.d.). Blackboard TTU. Retrieved 01 28, 2010, from Taxi Cab Company Case:

http://webct.ttu.edu

taxicab company

Documents

daily expenses report

areawise operating expenses

taxi cab company

car hours total

domain class diagram

car home responsible

administer user privileges

handle daily operations