majority-judgment-library-java/src/main/java/fr/mieuxvoter/mj/Tally.java

package fr.mieuxvoter.mj;

import java.math.BigInteger;

public class Tally implements TallyInterface {

	protected ProposalTallyInterface[] proposalsTallies;

	protected BigInteger amountOfJudges = BigInteger.ZERO;

	public Tally(ProposalTallyInterface[] proposalsTallies) {
		setProposalsTallies(proposalsTallies);
		guessAmountOfJudges();
	}

	public Tally(ProposalTallyInterface[] proposalsTallies, BigInteger amountOfJudges) {
		setProposalsTallies(proposalsTallies);
		setAmountOfJudges(amountOfJudges);
	}

	public Tally(ProposalTallyInterface[] proposalsTallies, Long amountOfJudges) {
		setProposalsTallies(proposalsTallies);
		setAmountOfJudges(BigInteger.valueOf(amountOfJudges));
	}

	public Tally(ProposalTallyInterface[] proposalsTallies, Integer amountOfJudges) {
		setProposalsTallies(proposalsTallies);
		setAmountOfJudges(BigInteger.valueOf(amountOfJudges));
	}

	public ProposalTallyInterface[] getProposalsTallies() {
		return proposalsTallies;
	}

	public void setProposalsTallies(ProposalTallyInterface[] proposalsTallies) {
		this.proposalsTallies = proposalsTallies;
	}

	public Integer getAmountOfProposals() {
		return proposalsTallies.length;
	}

	public BigInteger getAmountOfJudges() {
		return amountOfJudges;
	}

	public void setAmountOfJudges(BigInteger amountOfJudges) {
		this.amountOfJudges = amountOfJudges;
	}

	protected void guessAmountOfJudges() {
		BigInteger amountOfJudges = BigInteger.ZERO;
		for (ProposalTallyInterface proposalTally : getProposalsTallies()) {
			amountOfJudges = proposalTally.getAmountOfJudgments().max(amountOfJudges);
		}
		setAmountOfJudges(amountOfJudges);
	}

}