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package com.efeichong.uuid;


/**
 * 基于Snowflake算法优化实现64位自增ID算法。
 *
 * @author lxk
 * @date 2020/11/10
 * @description 1. 如果发现当前时间少于上次生成id的时间(时间回拨)，着计算回拨的时间差
 * 2. 如果时间差(offset)小于等于5ms，着等待 offset * 2 的时间再生成
 * 3. 如果offset大于5，则直接抛出异常
 */
public class IdGenerator {
    private static Sequence WORKER = new Sequence(0);

    public static long getId() {
        return WORKER.nextId();
    }

    public static String getIdStr() {
        return String.valueOf(WORKER.nextId());
    }


}