*/
package org.codelibs.fess.query;

import org.apache.lucene.index.Term;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.MatchAllDocsQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.TermQuery;
import org.codelibs.fess.entity.QueryContext;
import org.codelibs.fess.exception.InvalidQueryException;

 *   <li>{@linkplain State#TERMINATED TERMINATED}
 * </ul>
 *
 * <p>There are deviations from this if there are failures or if {@link Service#stopAsync} is called
 * before the {@link Service} reaches the {@linkplain State#RUNNING RUNNING} state. The set of legal
 * transitions form a <a href="http://en.wikipedia.org/wiki/Directed_acyclic_graph">DAG</a>,

 */
package org.codelibs.fess.app.service;

/**
 * Abstract base class for Fess application services.
 * This class provides common functionality and utilities for service implementations
 * throughout the Fess search application.
 */
public abstract class FessAppService {

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

    /**

    // Attribute
    // =========
    /** Search engine client for document operations */
    @Resource
    protected SearchEngineClient searchEngineClient;

    // ===================================================================================
    // Search Execute
    //

    /**
     * Performs bulk document operations (index multiple documents).

<a href="fess-webapp-gsa-api/" title="fess-webapp-gsa-api/">fess-webapp-gsa-api/</a>                                             -         -      
<a href="fess-webapp-semantic-search/" title="fess-webapp-semantic-search/">fess-webapp-semantic-search/</a>                                     -         -      
<a href="fess-xpack/" title="fess-xpack/">fess-xpack/</a>                                                      -         -      
		</pre>

        // Default constructor
    }

    /**
     * Retrieves a paginated list of request headers based on the provided pager criteria.
     *
     * @param requestHeaderPager the pager containing pagination and search criteria
     * @return a list of request headers matching the specified criteria
     */
    public List<RequestHeader> getRequestHeaderList(final ReqHeaderPager requestHeaderPager) {

    //                                                                      Search Execute
    //                                                                      ==============

    // GET /api/admin/joblog/logs
    /**
     * Returns list of job logs.
     * Supports filtering and pagination for job execution history.
     *
     * @param body search parameters for filtering and pagination

    /**
     * Constructs a Trans2FindFirst2 request for finding files.
     *
     * @param config the configuration to use
     * @param filename the path to search in
     * @param wildcard the wildcard pattern to match
     * @param searchAttributes the file attributes to search for
     * @param batchCount the number of entries to return
     * @param batchSize the maximum size of the response buffer
     */

            return createCharSequence("abc_exclude");
        }

        /**
         * @return CharSequence
         */
        public static CharSequence search_() {
            return createCharSequence("search_");
        }

        /**
         * @return CharSequence
         */
        public static CharSequence abc_() {
            return createCharSequence("abc_");

import org.opensearch.search.aggregations.bucket.sampler.SamplerAggregationBuilder;
import org.opensearch.search.aggregations.bucket.terms.SignificantTermsAggregationBuilder;
import org.opensearch.search.aggregations.bucket.terms.TermsAggregationBuilder;
import org.opensearch.search.aggregations.metrics.AvgAggregationBuilder;
import org.opensearch.search.aggregations.metrics.CardinalityAggregationBuilder;