Draw an UML "SEQUENCE" DIAGRAM digitally for the use-case given below. Hand drawings and code are not accepted.

USE CASE NAME:

Did the voter cast more than one vote ?

USE CASE DESCRIPTION:

Voter enter the system to participate an election. Voter clicks the button and list the elections. Voter participate an election. Voter select a candidate to vote for. Voter vote the candidate which their choose. Voter clicks the button and send their vote. After that system cheks the voters information. If voter has not previously voted in same election, system allows them to vote. If not system does not allow them to vote.

PRIMARY ACTOR(S):

Voter

SUPPORTING ACTOR(S):

System who checks the voters information.

TRIGGERS:

Voter wants to vote start the process by pressing the vote send button.

PRECONDITIONS:

Voter must particiopate an election.

Voter must send a vote.

POSTCONDITIONS:

Voter can send a vote if conditions are met.

NORMAL FLOW:

Voter enter the system.

The voter is required to enter their registered account.

Voter logs into the account that registered in the system.

Voter click the election search button.

Voter lists elections to participate.

Voter select election.

System requires the voter informations.

Voter enter their information.

System gets the informations.

System compares the informations with database.

System allows them to participate.

Voter select their candidate.

Voter click the send vote button.

System check the voter information.

System allows voter to send vote.

ALTERNATE FLOW:

2A.If voter does not have a registered account, they are sent to registration page.

3A. If voter entered their username and password incorrectly, they are asked to re-enter.

11A.If the voter is not eligible, system does not allow them the participate.

15A. If voter has previously voted in same election, system does not allow them to vote again.