* Provides document indexing, searching, and administrative operations.
 */
public class SearchEngineClient implements Client {

    /**
     * Default constructor.
     */
    public SearchEngineClient() {
        // Default constructor
    }

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

    private static final String DOC_INDEX = "fess";

     *
     * @param searchEngineClient the search engine client to use for deletion
     * @param id the document ID to delete
     * @return true if the deletion was successful, false otherwise
     */
    public boolean deleteDocument(final SearchEngineClient searchEngineClient, final String id) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

     */
    protected List<Map<String, Object>> getDocumentList(final KeyMatch keyMatch) {
        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return searchEngineClient.getDocumentList(fessConfig.getIndexDocumentSearchIndex(),
                searchRequestBuilder -> SearchConditionBuilder

        if (searchEngineClient.createIndex(docIndex, toIndex, numberOfShards, autoExpandReplicas, resetDictionaries)) {
            searchEngineClient.admin().cluster().prepareHealth(toIndex).setWaitForYellowStatus().execute(ActionListener.wrap(response -> {
                searchEngineClient.addMapping(docIndex, "doc", toIndex);

    /** Database behavior for bad word operations. */
    @Resource
    protected BadWordBhv badWordBhv;

    /** Search engine client for index operations. */
    @Resource
    protected SearchEngineClient searchEngineClient;

    /** Fess configuration. */
    @Resource
    protected FessConfig fessConfig;

    /**
     * Default constructor for BadWordService.
     */
    public BadWordService() {

     * Processes documents in the search index and updates their label fields.
     *
     * @return execution result message
     */
    public String execute() {
        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final LabelTypeHelper labelTypeHelper = ComponentUtil.getLabelTypeHelper();

    // Attribute
    // =========

    /** Client for interacting with the search engine. */
    @Resource
    protected SearchEngineClient searchEngineClient;

    /** Helper for building and parsing search queries. */
    @Resource
    protected QueryHelper queryHelper;

    /** Helper for executing search operations. */
    @Resource

     *
     * @param searchEngineClient the search engine client to query
     * @param id the parent document ID to find children for
     * @return a set of RequestData objects for the child URLs, or null if no children found
     */
    protected Set<RequestData> getChildUrlSet(final SearchEngineClient searchEngineClient, final String id) {

         */
        protected final String imageExtention;

        /**
         * OpenSearch client for document validation.
         */
        protected final SearchEngineClient searchEngineClient;

        /**
         * Fess configuration for settings.
         */
        protected final FessConfig fessConfig;

            if (!docList.isEmpty()) {
                final IndexingHelper indexingHelper = ComponentUtil.getIndexingHelper();
                final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
                indexingHelper.sendDocuments(searchEngineClient, docList);
            }
        }
    }

    /**
     * Adds click count information to the document.
     *