private static Map<Integer, ListGrades> ID_MAP = new HashMap<Integer, ListGrades>();
	 private static Map<String, ListGrades> fromName = new HashMap<>();

	private ListGrades(int power, String name, String prefix) {
		this.power = power;
		this.name = name;
		this.prefix = prefix;
	}

	static {
        for(ListGrades rank : values()){
            ID_MAP.put(rank.power, rank);
        }
    }

	public static ListGrades power(int power){
        return ID_MAP.get(power);
    }

	public static ListGrades name(String name){
        for(String names : fromName.keySet()){
            if(name.equalsIgnoreCase(names)){
                return fromName.get(names);
            }
        }
        return null;
    }

	public String getPrefix() {
		return prefix;
	}

	public String setPrefix() {
		return "";
	}

	public int getPower() {
		return power;
	}

	public String getName() {
		return name;
	}
}