tags:
  - name: search
    description: Search operations
  - name: popularword
    description: Popular word operations
  - name: monitor
    description: Monitoring operations
  - name: suggest
    description: Suggest operations
  - name: favorite
    description: Favorite operations
paths:
  /documents:
    get:
      tags:
        - search
      summary: Finds documents by query

/**
 * Form class for handling error page data and search parameters.
 * This form captures the state of a search request when an error occurs,
 * allowing the error page to display relevant information and preserve search context.
 */
public class ErrorForm {

    /** Map of form fields and their validation error messages */
    public Map<String, String[]> fields = new HashMap<>();

    /** Search query parameter that caused the error */

						<la:message key="labels.search_options_clear" />
					</button>
					<button type="submit" class="btn btn-primary">
						<em class="fa fa-search">
						<la:message key="labels.search" />
					</button>
					<la:link href="/search/advance" styleClass="btn btn-info">
						<em class="fa fa-cog">
						<la:message key="labels.advance" />
					</la:link>
				</div>
			</div>
		</div>

import org.opensearch.action.bulk.BulkResponse;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;

/**
 * Helper class for indexing operations in the Fess search engine.
 * This class provides functionality for sending documents to the search engine,
 * managing document lifecycle operations (create, update, delete), and handling

import org.dbflute.optional.OptionalEntity;
import org.opensearch.search.aggregations.AggregationBuilders;
import org.opensearch.search.aggregations.BucketOrder;
import org.opensearch.search.aggregations.bucket.histogram.DateHistogramInterval;
import org.opensearch.search.aggregations.bucket.histogram.Histogram;
import org.opensearch.search.aggregations.bucket.terms.Terms;
import org.opensearch.search.aggregations.metrics.Avg;

/**
 * Helper class for managing related query configurations.
 * This class provides functionality to load, cache, and retrieve related queries
 * based on search terms and virtual hosts. Related queries are used to suggest
 * alternative or supplementary search terms to improve search results.
 */
public class RelatedQueryHelper extends AbstractConfigHelper {
    private static final Logger logger = LogManager.getLogger(RelatedQueryHelper.class);

    }

    /**
     * Executes a search operation with the specified parameters.
     * This method must be implemented by concrete searcher classes.
     *
     * @param query the search query string
     * @param params the search request parameters including pagination, filters, etc.
     * @param userBean the optional user bean for access control and personalization
     * @return the search result containing matched documents and metadata

import org.opensearch.search.aggregations.bucket.filter.FilterAggregationBuilder;
import org.opensearch.search.aggregations.bucket.global.GlobalAggregationBuilder;
import org.opensearch.search.aggregations.bucket.histogram.DateHistogramAggregationBuilder;
import org.opensearch.search.aggregations.bucket.missing.MissingAggregationBuilder;
import org.opensearch.search.aggregations.bucket.range.DateRangeAggregationBuilder;

import org.opensearch.index.query.QueryBuilders;
import org.opensearch.search.sort.SortBuilder;
import org.opensearch.search.sort.SortBuilders;
import org.opensearch.search.sort.SortOrder;

/**
 * Abstract base class for query command implementations.
 * Provides common functionality for processing and executing search queries.
 */
public abstract class QueryCommand {

    /**

    /** Search/filter parameter for data configuration availability status. */
    public String available;

    /** Search/filter parameter for data configuration sort order. */
    public String sortOrder;

    /** Search/filter parameter for data configuration creator. */
    public String createdBy;

    /** Search/filter parameter for data configuration creation time. */
    public String createdTime;