* @param outputFile the file where the generated thumbnail will be saved
     * @return true if the thumbnail was successfully generated, false otherwise
     */
    @Override
    public boolean generate(final String thumbnailId, final File outputFile) {
        if (logger.isDebugEnabled()) {
            logger.debug("Generate Thumbnail: {}", thumbnailId);
        }

    }

    /**
     * Generates a thumbnail for the given ID and saves it to the output file.
     * @param thumbnailId The ID of the thumbnail to generate.
     * @param outputFile The file where the thumbnail will be saved.
     * @return True if thumbnail generation was successful, false otherwise.
     */
    @Override
    public boolean generate(final String thumbnailId, final File outputFile) {

        }
        return value;
    }

    /**
     * Updates the thumbnail field in the search index.
     * @param thumbnailId The thumbnail ID.
     * @param value The thumbnail value to update.
     */
    protected void updateThumbnailField(final String thumbnailId, final String value) {
        // TODO bulk
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

            "keyword", 0, 0, null, null, false, null, null, null, null, null, false);
    protected final ColumnInfo _columnThumbnailId = cci("thumbnail_id", "thumbnail_id", null, null, String.class, "thumbnailId", null,
            false, false, false, "keyword", 0, 0, null, null, false, null, null, null, null, null, false);

    public ColumnInfo columnCreatedBy() {
        return _columnCreatedBy;

/**
 * Manager class for handling thumbnail generation and management.
 * Provides functionality to generate, cache, and serve thumbnail images for documents.
 */
public class ThumbnailManager {
    private static final String NOIMAGE_FILE_SUFFIX = ".txt";

    /**
     * Default directory name for thumbnails.
     */
    protected static final String THUMBNAILS_DIR_NAME = "thumbnails";

    /**

import org.codelibs.fess.util.SystemUtil;

import jakarta.servlet.ServletContext;

/**
 * Job class for generating thumbnails for documents in the search engine.
 * 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. */

    }

    /**
     * Gets the path to thumbnail files directory.
     *
     * @param names the path components to append to the thumbnails directory
     * @return the Path object pointing to the thumbnails directory
     */
    public static Path getThumbnailPath(final String... names) {
        return getPath("WEB-INF/", "thumbnails", names);
    }

    /**

     */
    @Size(max = 10)
    public String loginLink;

    /**
     * Enable or disable thumbnail generation for documents.
     * When enabled, thumbnails are generated for supported file types.
     */
    @Size(max = 10)
    public String thumbnail;

    /**
     * Types of crawling failures to ignore during crawling operations.

        INGEST("fess-ingest"), //
        /** Script plugins */
        SCRIPT("fess-script"), //
        /** Web application plugins */
        WEBAPP("fess-webapp"), //
        /** Thumbnail generator plugins */
        THUMBNAIL("fess-thumbnail"), //
        /** Crawler plugins */
        CRAWLER("fess-crawler"), //
        /** Unknown/generic JAR files */
        UNKNOWN("jar");

    public void setThumbnailId_Terms(ConditionOptionCall<TermsAggregationBuilder> opLambda) {
        setThumbnailId_Terms("thumbnail_id", opLambda, null);
    }

    public void setThumbnailId_Terms(ConditionOptionCall<TermsAggregationBuilder> opLambda, OperatorCall<BsThumbnailQueueCA> aggsLambda) {
        setThumbnailId_Terms("thumbnail_id", opLambda, aggsLambda);
    }