// First access - should not delay
        final long start1 = System.nanoTime();
        controller.delayBeforeProcessing();
        final long elapsed1 = (System.nanoTime() - start1) / 1000000;
        assertTrue("First access should not delay", elapsed1 < 50);

        // Second access to same host - should delay
        q.setUrl("http://example.com/page2");

        /** Number of in-flight fetch operations */
        public int numberOfInFlightFetch;
        /** Number of pending tasks */
        public int numberOfPendingTasks;
        /** Number of delayed unassigned shards */
        public int delayedUnassignedShards;
        /** Number of unassigned shards */
        public int unassignedShards;
        /** Number of initializing shards */

import java.util.concurrent.ConcurrentSkipListSet;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.concurrent.DelayQueue;
import java.util.concurrent.Delayed;
import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.PriorityBlockingQueue;
import java.util.concurrent.SynchronousQueue;

/**

        InetAddress newAddress = newAddresses.get(0).getAddress();
        scheduleAddressChange(newAddress);
    }
}

private void scheduleReconnection(long delayMs) {
    CompletableFuture.delayedExecutor(delayMs, TimeUnit.MILLISECONDS)
        .execute(() -> {
            try {
                transport.disconnect();
                transport.connect();  // Reconnect

        // When
        long delay1 = policy.getDelayMs(1);
        long delay2 = policy.getDelayMs(2);
        long delay3 = policy.getDelayMs(3);

        // Then - All delays should be the same
        assertEquals(2000, delay1);
        assertEquals(2000, delay2);
        assertEquals(2000, delay3);
    }

    @Test

 * This class provides a default way to manage delays between crawler operations.
 * It allows setting delays before processing, after processing, when no URLs are in the queue,
 * and when waiting for new URLs.
 * The delays are configurable via constructor parameters.
 *
 */
public class DefaultIntervalController extends AbstractIntervalController {

    /** Delay in milliseconds after processing a URL */

            }
        }
    }

    /**
     * Delays the crawling process before processing a URL.
     */
    protected abstract void delayBeforeProcessing();

    /**
     * Delays the crawling process after processing a URL.
     */
    protected abstract void delayAfterProcessing();

    /**
     * Delays the crawling process when there are no URLs in the queue.
     */

        super();
    }

    /**
     * Gets the delay time in milliseconds after processing a URL.
     *
     * @return the delay time in milliseconds after processing
     */
    public long getDelayMillisAfterProcessing() {
        return delayMillisAfterProcessing;
    }

    /**
     * Sets the delay time in milliseconds after processing a URL.
     *

 * The delayBeforeProcessing method is overridden to introduce a delay before processing a URL,
 * ensuring that requests to the same host are not made too frequently.
 * The delay is calculated based on the configured delayMillisBeforeProcessing parameter.
 * If the time since the last request to the host is less than the configured delay,
 * the thread waits until the delay has elapsed.
 * This class is thread-safe.

            if (!exponentialBackoff) {
                return initialDelayMs;
            }

            long delay = initialDelayMs;
            for (int i = 1; i < attemptNumber; i++) {
                delay = (long) (delay * backoffMultiplier);
            }

            return Math.min(delay, maxDelayMs);
        }

        public int getMaxAttempts() {
            return maxAttempts;
        }