* and ignored. Otherwise, they will be re-thrown as {@link CrawlerSystemException}.
 * </p>
 *
 */
public abstract class AbstractIntervalController implements IntervalController {

    private static final Logger logger = LogManager.getLogger(AbstractIntervalController.class);

    /**
     * Indicates whether exceptions during the delay process should be ignored.

import org.dbflute.utflute.core.PlainTestCase;

/**
 * Test cases for {@link AbstractIntervalController}
 *
 * @author shinsuke
 */
public class AbstractIntervalControllerTest extends PlainTestCase {

    /**
     * Test implementation of AbstractIntervalController for testing
     */
    private static class TestIntervalController extends AbstractIntervalController {
        int beforeProcessingCount = 0;

 * 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 */
    protected long delayMillisAfterProcessing = 0L;

    /** Delay in milliseconds when no URL is in the queue */