class RankingRecord {

	constructor(rank, userName, score) {
		this.rank = rank;
		this.userName = userName;
		this.score = score;
	}
}



class RankingRecordManager {

	constructor() {
		this.clear();
	}

	push(RankingRecord) {
		this.rankingRecords.push(RankingRecord);
	}

	clear() {
		this.rankingRecords = [];
	}

	get count() {
		return this.rankingRecords.length;
	}

	getAt(index) {
		return this.rankingRecords[index];
	}

	getRankAt(index) {
		return this.rankingRecords[index].rank;
	}

	getUserNameAt(index) {
		return this.rankingRecords[index].userName;
	}

	getScoreAt(index) {
		return this.rankingRecords[index].score;
	}

}