public override AbstractTiebreaker CreateTiebreaker(TabulationMediator mediator)
{
AbstractTiebreaker fallbackTiebreaker = FallbackTiebreakerFactory?.CreateTiebreaker(mediator);
AbstractTiebreaker tiebreaker = InstantiateTiebreaker(fallbackTiebreaker);
tiebreaker.Mediator = mediator;
return(tiebreaker);
}
/// <summary>
/// Initialize the tabulation state from a set of bandidates, withdrawn candidates, and a number of seats.
/// </summary>
/// <param name="ballots">The ballots to tabulate.</param>
/// <param name="withdrawn">Candidates excluded from tabulation.</param>
/// <param name="seats">The number of seats to elect.</param>
protected virtual void InitializeTabulation(BallotSet ballots, IEnumerable <Candidate> withdrawn, int seats)
{
this.seats = seats;
this.ballots = ballots;
candidateStates.Clear();
if (!(withdrawn is null))
{
InitializeCandidateStates(withdrawn, CandidateState.States.withdrawn);
}
// Initialize hopefuls
InitializeCandidateStates(ballots.SelectMany(x => x.Votes.Select(y => y.Candidate)).Distinct().Except(candidateStates.Keys));
tiebreaker = tiebreakerFactory.CreateTiebreaker(mediator);
}
public BallotSetFixture()
{
string ballotSet =
"c|Alex|0\n" +
"c|Chris|1\n" +
"c|Sam|2\n" +
"b|20|0 1 2\n" +
"b|15|2 1\n" +
"b|8|1 2 0\n" +
"b|5|1 0";
// Decode the above into a thing.
(Candidates, Ballots) = DecodeBallots(ballotSet);
AbstractTiebreaker firstDifference = new FirstDifferenceTiebreaker();
tiebreaker = firstDifference;
}
protected virtual AbstractTiebreaker InstantiateTiebreaker(AbstractTiebreaker fallbackTiebreaker)
=> Activator.CreateInstance(typeof(T), new object[] { fallbackTiebreaker }) as T;
