org.bolson.vote
Class RankedPairs

java.lang.Object
  org.bolson.vote.VotingSystem
      org.bolson.vote.RatedVotingSystem
          org.bolson.vote.Condorcet
              org.bolson.vote.RankedPairs

All Implemented Interfaces:

java.io.Serializable

public class RankedPairs
extends Condorcet

Implements the Ranked Pairs method of ranked voting tabulation. It is much like Condorcet.

See Also:

Serialized Form

Nested Class Summary

protected static class

RankedPairs.Pair

Field Summary

Fields inherited from class org.bolson.vote.Condorcet

talley

Fields inherited from class org.bolson.vote.VotingSystem

debug, NO_VOTE, numc

Constructor Summary

RankedPairs(int nc)

Method Summary

java.lang.String	getDebugText(java.lang.String[] names) Return textual representation of debug data.
int[]	getWinners() Do processing if necessary, return winners.
java.lang.String	name() Return name of this voting system.

Methods inherited from class org.bolson.vote.Condorcet

countDefeats, getSchwartzSet, getSchwartzSet, getSchwartzSet, getSchwartzSet, getWinnersCSSD, getWinnersOldBPM, getWinnersSchwartzEqOne, getWinnersSimpleIfOne, htmlSummary, htmlTable, init, toString, toString, verifySchwartzSet, verifySchwartzSet, verifySchwartzSet, voteRating, voteRating, voteRating

Methods inherited from class org.bolson.vote.RatedVotingSystem

voteRanking

Methods inherited from class org.bolson.vote.VotingSystem

checkRatedVote, getDebugHTML, getNumberOfCandidates, getWinners, getWinners, getWinners, isValidRankedVote, isValidRatedVote, normalize, normalize, normalize, normalize, normalize, normalizeL2, normalizeL2, normalizeL2, normalizeL2, normalizeL2, stretch, voteRating

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

RankedPairs

public RankedPairs(int nc)

Method Detail

getWinners

public int[] getWinners()

Description copied from class: VotingSystem

Do processing if necessary, return winners.

It is recommended to cache the return value in such a way that calling this function again does not do complex recalculation. That cache should be cleared if voteRating or voteRanking is called.

Overrides:

getWinners in class Condorcet

Returns:

indecies of winners (hopefully 1 of them)

getDebugText

public java.lang.String getDebugText(java.lang.String[] names)

Description copied from class: VotingSystem

Return textual representation of debug data. Default implementation returns null.

Overrides:

getDebugText in class Condorcet

Parameters:

names - Symbolic names for the choices makes human debugging easier. May be null.

Returns:

debug text (default=null)

See Also:

VotingSystem.debug

name

public java.lang.String name()

Description copied from class: VotingSystem

Return name of this voting system. This is a function so that it can potentially construct a detailed name based on options set in init().

Overrides:

name in class Condorcet

Returns:

a descriptive name