net.sf.ahtutils.controller.util.Ranking Maven / Gradle / Ivy

Go to download
package net.sf.ahtutils.controller.util;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

import com.google.common.primitives.Ints;

public class Ranking
{
	public Ranking()
	{
		
	}
	
	public int[] rank(int[] points)
	{
		List tmp = rank(Ints.asList(points));
		int[] result = new int[tmp.size()];
		for(int i=0;i rank(List listPoints)
	{
		List  rankList = new ArrayList();
		Rank[] sortList = new Rank[listPoints.size()]; 
		List  result = new ArrayList();
		
		int zaehler = 0; 
		
		for (Integer i: listPoints)
		{
			rankList.add(new Rank(zaehler, i));
			zaehler++;
		}
		
		Collections.sort(rankList, new Rank());	
		
		return result;
	}
	
	int getNumberOfEqualPoints (Rank[] rankList)
	{
		int points=0, anzahl=0;
		
		for (int i=0; i<= rankList.length; i++)
		{
			points = rankList[i].getPoints();
			
			for (int j=0; j<=rankList.length;j++)
			{
				if(rankList[j].getPoints()==points)
				{
					anzahl++;
				}
			}
		}
		return anzahl;
	}
	
	public Rank[] setRank(Rank[] rankList)
	{
		int rankZaehler = 0, anz = 0;
		
		for (int i=rankZaehler; i<=rankZaehler+anz;)
		{
			anz = getNumberOfEqualPoints(rankList);
			rankList[i].index = rankZaehler;
			rankZaehler = rankZaehler+anz;
		}
		
		return rankList;
	}
		
	
	public class Rank implements Comparator
	{
		public int index, points;

		public	Rank () {}
		public	Rank (int index, int points)
		{
			this.index = index;
			this.points = points;
		}

		private int getIndex() {return index;}
		public void setIndex(int index) {this.index = index;}

		public int getPoints() {return points;}
		public void setPoints(int points) {this.points = points;}
		@Override
		public int compare(Rank a, Rank b)
		{
			// TODO Auto-generated method stub
			return(new Integer(a.getPoints())).compareTo(b.getPoints())*-1;
			
		}


	}
}