漏斗限流简单实现

/**

• 漏斗限流算法

• @author dhc

• @date 2020/5/22
  */
  public class FunnelRateLimiter {
  private Map<String, Funnel> funnelMap = new ConcurrentHashMap<>();

  /**

  • 假设 设定漏斗的容量为5 限定每30秒 能访问5次 超过5次 就失败

  • @param args

  • @throws InterruptedException
    /
    public static void main(String[] args) throws InterruptedException {
    Long start=System.currentTimeMillis();
    FunnelRateLimiter limiter = new FunnelRateLimiter();
    int testAccessCount = 30;
    /*

    • 容量
      /
      int capacity = 5;
      /*
    • 允许量
      /
      int allowQuota = 5;
      /*
    • 时间
      /
      int perSecond = 30;
      int allowCount = 0;
      int denyCount = 0;
      for (int i = 0; i < testAccessCount; i++) {
      boolean isAllow = limiter.isActionAllowed(“dadiyang”, “doSomething”, 5, 5, 30);
      if (isAllow) {
      allowCount++;
      } e