playing with jodah failesafe library

FailRateLimiter.java

package com.dangets;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.concurrent.TimeUnit;
import net.jodah.failsafe.CircuitBreaker;

public class FailRateLimiter {
    public static void main(String[] args) throws InterruptedException, IOException {
        CircuitBreaker cb = new CircuitBreaker()
                .withDelay( 4, TimeUnit.SECONDS)
                .withFailureThreshold(2)
                .withSuccessThreshold(5)
                .onOpen(() -> System.out.println("breaker open"))
                .onHalfOpen(() -> System.out.println("breaker half-open"))
                .onClose(() -> System.out.println("breaker closed"));

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        while (true) {
            while (!cb.allowsExecution()) {
                System.out.println("breaker currently open - waiting ...");
                Thread.sleep(2_000);
            }

            String line = br.readLine().trim();
            switch (line) {
                case "p":
                    System.out.println("pass");
                    cb.recordSuccess();
                    break;
                case "f":
                    System.out.println("fail");
                    cb.recordFailure(new Exception());
                    break;
            }
        }
    }
}