package com.yuchen.saas.integration.feign.api.util;

import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;

import java.security.SecureRandom;
import java.util.UUID;

/**
 * 封装各种生成唯一性ID算法的工具类.
 *
 * @author
 * @version 2022-10-18
 */
@Service
@Lazy(false)
public class IdGen {

    private static SecureRandom random = new SecureRandom();

    /**
     * 封装JDK自带的UUID, 通过Random数字生成, 中间无-分割.
     */
    public static String uuid() {
        return UUID.randomUUID().toString().replaceAll("-", "");
    }

    /**
     * 使用SecureRandom随机生成Long.
     */
    public static long randomLong() {
        return Math.abs(random.nextLong());
    }


}
