import jakarta.annotation.PreDestroy;

/**
 * Manager class for chat sessions.
 * Sessions are stored in memory with automatic expiration.
 *
 * <p><b>Note:</b> Sessions are stored in a local in-memory ConcurrentHashMap.
 * In multi-instance deployments (e.g., behind a load balancer), sessions are
 * not shared between instances. Use sticky sessions or an external session
 * store if session affinity across instances is required.</p>
 *

    }

    /**
     * Loads the available searcher names from system properties.
     * Parses the "rank.fusion.searchers" system property to determine which searchers
     * are available for use in rank fusion processing.
     */
    protected void load() {
        final String value = System.getProperty("rank.fusion.searchers");
        if (StringUtil.isBlank(value)) {
            availableSearcherNameSet = Collections.emptySet();

    }

    /**
     * Deletes crawling sessions that expired before the specified date.
     * Excludes the active session and optionally filters by name.
     * This method performs batch deletion of both parameters and session records.
     *
     * @param activeSessionId the session ID to exclude from deletion (can be null)
     * @param name optional name filter for sessions to delete (can be null or blank)

        logger.info("Number of crawling info logs before deletion: {}", sizeBeforeDeletion);

        // Delete all old crawling sessions
        deleteMethod("/api/admin/crawlinginfo/all").then().body("response.status", equalTo(0));
        refresh();

        // Verify all old sessions are deleted (size should be 0 after deletion)
        final List<Map<String, Object>> logListAfter = readCrawlingInfo(webConfigId);

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.rank.fusion;

import java.util.HashMap;
import java.util.Map;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.collection.ArrayUtil;

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.rank.fusion;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.concurrent.CountDownLatch;

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.rank.fusion;

import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;

import org.apache.lucene.search.TotalHits.Relation;
import org.codelibs.fess.entity.FacetInfo;

 * This class handles user identification through cookies, session management, and query tracking.
 * It provides functionality for generating unique user codes, managing user sessions,
 * and tracking search result document IDs for analytics and personalization.
 *
 */
public class UserInfoHelper {

    /**
     * Default constructor for UserInfoHelper.
     */

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.rank.fusion;

import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;

import org.apache.lucene.search.TotalHits.Relation;
import org.codelibs.fess.entity.FacetInfo;

import org.opensearch.search.aggregations.bucket.terms.TermsAggregationBuilder;

/**
 * Helper class for managing crawling information and statistics.
 * Provides functionality to track crawling sessions, manage document expiration,
 * and handle crawling information storage and retrieval.
 */
public class CrawlingInfoHelper {

    /**
     * Creates a new instance of CrawlingInfoHelper.
     */