public StatsImpl() 
{
        this(new CopyOnWriteArraySet< StatisticImpl >());
}

 public StatsImpl(Set<StatisticImpl> set) 
{
        super("stats", "many", "Used only as container, not Statistic");
        this.set = set;
}

 protected  void addStatistic(String name,
    StatisticImpl statistic) 
{
        this.set.add(statistic);
}

 public Statistic getStatistic(String name) 
{
        for (StatisticImpl stat : this.set) {
            if (stat.getName() != null && stat.getName().equals(name)) {
                return stat;
            }
        }
        return null;
}

 public String[] getStatisticNames() 
{
        List< String > names = new ArrayList< String >();
        for (StatisticImpl stat : this.set) {
            names.add(stat.getName());
        }
        String[] answer = new String[names.size()];
        names.toArray(answer);
        return answer;
}

 public Statistic[] getStatistics() 
{
        Statistic[] answer = new Statistic[this.set.size()];
        set.toArray(answer);
        return answer;
}

 public  void reset() 
{
        Statistic[] stats = getStatistics();
        int size = stats.length;
        for (int i = 0; i <  size; i++) {
            Statistic stat = stats[i];
            if (stat instanceof Resettable) {
                Resettable r = (Resettable) stat;
                r.reset();
            }
        }
}