The State Patrol Ticket$-$Processing System

The purpose of the State Patrol ticket$-$processing system

is to record moving violations, keep records of the fines

paid by drivers when they plead guilty or are found guilty

of moving violations, and notify the court that a warrant

for arrest should be issued when such fines are not paid

in a timely manner. A separate State Patrol system

records accidents and the verification of financial respon$-$

sibility $($insurance$).$ A third system uses ticket and acci$-$

dent records to produce driving record reports for

insurance companies. Finally, a fourth system issues,

renews, or suspends driver's licenses. These four sys$-$

tems are obviously integrated in that they share access

to the same database; otherwise, they are operated sep$-$

arately by different departments of the State Patrol.

When an officer gives a ticket to a driver, a copy of the

ticket is turned in and entered into the system. A new ticket

record is created, and relationships to the correct driver, offi$-$

cer, and court are established in the database. If the driver

pleads guilty, he or she mails in the fine in a preprinted

envelope with the ticket number on it$.$ In some cases, the

driver claims innocence and wants a court date. When the

envelope is returned without a check and the trial request

box has an $"x"$ in it$,$ the system does the following: notes

the plea on the ticket record; looks up driver, ticket, and

officer information; and sends a ticket details report to the

appropriate court. A trial date questionnaire form is also pro$-$

duced at the same time and is mailed to the driver. The

instructions on the questionnaire tell the driver to fill in con$-$

venient dates and mail the questionnaire directly to the

court. Upon receiving this information, the court schedules

a trial date and notifies the driver of the date and time.

When the trial is completed, the court sends the ver$-$

dict to the ticketing system. The verdict and trial date are

recorded for the ticket. If the verdict is innocent, the sys$-$

tem that produces driving record reports for insurance

companies will ignore the ticket. If the verdict is guilty.

the court gives the driver another envelope with the ticket

number on it for mailing in the fine.

If the driver fails to pay the fine within the required

period, the ticket$-$processing system produces a warrant

request notice and sends it to the court. This happens if

the driver does not return the original envelope within

two weeks or does not return the court$-$supplied envelope

within two weeks of the trial date. What happens then is in

the hands of the court. Sometimes, the court requests that

the driver's license be suspended, and the system that

processes drivers' licenses handles the suspension.

$1.$To what events must the ticket$-$processing system

respond? List each event, the type of event, and the

resulting use case.

$2.$ Write a brief use case description for each use case.

$3.$Draw a UML use case diagram based on your answer to Question $1$