import org.opensearch.transport.client.AdminClient;
import org.opensearch.transport.client.Client;

import jakarta.annotation.PreDestroy;

/**
 * FesenClient is a client for OpenSearch.
 *
 * @author shinsuke
 *
 */
public class FesenClient implements Client {
    /**
     * HTTP address for OpenSearch.
     */
    public static final String HTTP_ADDRESS = "crawler.opensearch.http_address";

        String originalValue = System.getProperty(FesenClient.HTTP_ADDRESS);
        try {
            System.setProperty(FesenClient.HTTP_ADDRESS, "http://localhost:9200");
            assertEquals("http://localhost:9200", System.getProperty(FesenClient.HTTP_ADDRESS));
        } finally {
            if (originalValue != null) {
                System.setProperty(FesenClient.HTTP_ADDRESS, originalValue);
            } else {

    /**
     * Returns the FesenClient instance, connecting if not already connected.
     * @return The FesenClient instance.
     */
    protected FesenClient getClient() {
        if (!fesenClient.connected()) {
            synchronized (fesenClient) {
                if (!fesenClient.connected()) {
                    fesenClient.connect();
                }
            }
        }

import org.codelibs.core.misc.DynamicProperties;
import org.codelibs.core.timer.TimeoutManager;
import org.codelibs.core.timer.TimeoutTask;
import org.codelibs.fess.Constants;
import org.codelibs.fess.crawler.client.FesenClient;
import org.codelibs.fess.exception.ContainerNotAvailableException;
import org.codelibs.fess.helper.SuggestHelper;
import org.codelibs.fess.opensearch.client.SearchEngineClient;

        index = name + "." + type;
    }

    /**
     * Initializes the service.
     */
    @PostConstruct
    public void init() {
        fesenClient.addOnConnectListener(() -> createMapping("data"));
    }

    /**
     * Stores an access result in the OpenSearch index.
     *
     * @param accessResult The access result to store.
     */
    @Override

import org.codelibs.fess.Constants;
import org.codelibs.fess.app.service.CrawlingInfoService;
import org.codelibs.fess.app.service.PathMappingService;
import org.codelibs.fess.crawler.client.FesenClient;
import org.codelibs.fess.exception.ContainerNotAvailableException;
import org.codelibs.fess.helper.CrawlingInfoHelper;
import org.codelibs.fess.helper.DataIndexHelper;
import org.codelibs.fess.helper.DuplicateHostHelper;

        index = name + "." + type;
    }

    /**
     * Initializes the service.
     */
    @PostConstruct
    public void init() {
        fesenClient.addOnConnectListener(() -> createMapping("queue"));
    }

    /**
     * Destroys the service.
     */
    @PreDestroy
    public void destroy() {