* This job executes the ThumbnailGenerator process as a separate JVM process
 * to create thumbnail images for supported document types.
 */
public class GenerateThumbnailJob extends ExecJob {
    /** Logger for this class. */
    static final Logger logger = LogManager.getLogger(GenerateThumbnailJob.class);

    /** Number of threads to use for thumbnail generation. */
    protected int numOfThreads = 1;

 * including automatic generation of file type facets and custom query mappings.
 */
public class FacetQueryView {
    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(FacetQueryView.class);

    /** Title for this facet query view */
    protected String title;

    /** Map of display keys to their corresponding query strings */

            return stacktraceString.get();
        }

        final String errorCode = UUID.randomUUID().toString();
        if (logger.isDebugEnabled()) {
            logger.debug("[{}] {}", errorCode, stacktraceString.get().replace("\n", "\\n"));
        } else {
            logger.warn("[{}] {}", errorCode, cause.getMessage());
        }
        return "error_code:" + errorCode;
    }

 *   <li>Automatic client initialization</li>
 *   <li>Resource cleanup management</li>
 * </ul>
 *
 */
public class CrawlerClientFactory implements AutoCloseable {
    private static final Logger logger = LogManager.getLogger(CrawlerClientFactory.class);

    /**
     * The crawler container.
     */
    @Resource
    protected CrawlerContainer crawlerContainer;

    /**

                        logger.warn("Terminating process {} is timed out.", p);
                    } else if (logger.isDebugEnabled()) {
                        logger.debug("Terminated process {}.", p);
                    }
                } catch (final Exception e) {
                    logger.warn("Failed to stop destroyer.", e);
                }
            } else {
                if (logger.isDebugEnabled()) {

import org.dbflute.utflute.core.PlainTestCase;

/**
 * @author shinsuke
 *
 */
public class LhaExtractorTest extends PlainTestCase {
    private static final Logger logger = LogManager.getLogger(LhaExtractorTest.class);

    public LhaExtractor lhaExtractor;

    @Override
    protected void setUp() throws Exception {
        super.setUp();

 * alternative or supplementary search terms to improve search results.
 */
public class RelatedQueryHelper extends AbstractConfigHelper {
    private static final Logger logger = LogManager.getLogger(RelatedQueryHelper.class);

    /**
     * Map storing related queries organized by virtual host key and search term.

 * and converting XContent objects to different output formats.
 */
public final class SearchEngineUtil {

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

    /**
     * Private constructor to prevent instantiation of this utility class.
     */
    private SearchEngineUtil() {
    }

    /**

 * It builds and runs a command-line process to generate suggest data,
 * handling classpath setup, system properties, and process monitoring.
 */
public class SuggestJob extends ExecJob {

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

    /**
     * Constructs a new suggest job.
     */
    public SuggestJob() {
        // do nothing
    }

    @Override
    public String execute() {

 * <ul>
 *   <li>Retry up to 5 times</li>
 *   <li>Wait 500ms between retries</li>
 * </ul>
 *
 */
public class FaultTolerantClient implements CrawlerClient {

    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(FaultTolerantClient.class);

    /** The underlying crawler client */
    protected CrawlerClient client;

    /** Maximum number of retry attempts */