OverallAverage (statistic provider)

package br.estatisticas;

import br.modelos.Solve;
import java.util.ArrayList;
import java.util.Collections;

/**
 * Criado por Lucas Sousa em 21/10/2015.
 */
public class OverallAverage {

    private ArrayList<Solve> solves;

    public OverallAverage(ArrayList<Solve> solves){
        this.solves = solves;
    }

    public long getOverallAverage(){
        if (solves != null){
            if (solves.size() >= 3){
                ArrayList<Long> longTimes = new ArrayList<>();

                for (Solve s : solves){
                    longTimes.add(s.getTime());
                }
                longTimes.remove(Collections.max(longTimes));
                longTimes.remove(Collections.min(longTimes));

                long somatorio = 0;
                for (long x : longTimes){
                    somatorio += x;
                }
                return (somatorio / longTimes.size());
            }
        }
        return 0;
    }
}