Recover.java

@Test
    public void circuitBreaker_recover(){
        MockResponse mockResponse = new MockResponse()
                .setResponseCode(500)
                .addHeader("Content-Type", "application/json;charset=utf-8");

        CircuitBreaker circuitBreaker = CircuitBreaker.of("books", CircuitBreakerConfig.custom()
                .slidingWindowSize(1)
                .waitDurationInOpenState(Duration.ofMillis(100))
                .build());

        this.captureEvents(circuitBreaker.getEventPublisher());
        Supplier<String> withCircuitBreaker = CircuitBreaker.decorateSupplier(circuitBreaker, bookClient::findAll);

        this.enqueue(1, mockResponse);

        String result = Try.ofSupplier(withCircuitBreaker)
                .recoverWith(throwable -> Try.of(this::sendToQueue)).get();
    }