import org.codelibs.fess.util.ComponentUtil;

/**
 * Abstract base class for monitor targets that implement timeout functionality.
 */
public abstract class MonitorTarget implements TimeoutTarget {

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

    /**
     * Appends a key-value pair to the buffer in JSON format.
     *

        super.setUp(testInfo);
        target = new HotThreadMonitorTarget();
    }

    @Test
    public void test_inheritance() {
        assertTrue(MonitorTarget.class.isAssignableFrom(HotThreadMonitorTarget.class),
                "HotThreadMonitorTarget should extend MonitorTarget");
        assertTrue(TimeoutTarget.class.isAssignableFrom(HotThreadMonitorTarget.class),
                "HotThreadMonitorTarget should implement TimeoutTarget");

        JobLog jobLog = new JobLog();
        jobLog.setId("test-log-1");
        jobLog.setJobName("Test Job");
        jobLog.setEndTime(null);

        MonitorTarget target = new MonitorTarget(jobLog);
        try {
            target.expired();
            // If it succeeds, check that lastUpdated is set
            assertNotNull(jobLog.getLastUpdated());
        } catch (Exception e) {

        super.setUp(testInfo);
        target = new SystemMonitorTarget();
    }

    @Test
    public void test_inheritance() {
        assertTrue(MonitorTarget.class.isAssignableFrom(SystemMonitorTarget.class), "SystemMonitorTarget should extend MonitorTarget");
        assertTrue(TimeoutTarget.class.isAssignableFrom(SystemMonitorTarget.class), "SystemMonitorTarget should implement TimeoutTarget");
    }

    @Test

        buf.append(",");
        monitorTarget.append(buf, "key3", () -> null);

        assertEquals("\"key1\":\"value1\",\"key2\":123,\"key3\":null", buf.toString());
    }

    // Test append with empty string
    @Test
    public void test_append_emptyString() {
        StringBuilder buf = new StringBuilder();
        Supplier<Object> supplier = () -> "";

     */
    static class MonitorTarget implements TimeoutTarget {

        /** The job log being monitored */
        private final JobLog jobLog;

        /**
         * Constructor for MonitorTarget.
         *
         * @param jobLog the job log to monitor
         */
        public MonitorTarget(final JobLog jobLog) {
            this.jobLog = jobLog;
        }

/**
 * Monitor target for tracking hot threads in the OpenSearch cluster.
 * This class extends MonitorTarget to provide monitoring functionality for
 * hot threads, which helps identify performance bottlenecks and resource
 * usage issues in the search engine cluster.
 */
public class HotThreadMonitorTarget extends MonitorTarget {
    private static final Logger logger = LogManager.getLogger(HotThreadMonitorTarget.class);

    /**

/**
 * This class is a timer target for monitoring system-level statistics.
 * It collects and logs information about the operating system, process,
 * JVM, and search engine.
 */
public class SystemMonitorTarget extends MonitorTarget {
    private static final Logger logger = LogManager.getLogger(SystemMonitorTarget.class);

    /**
     * Constructs a new system monitor target.
     */
    public SystemMonitorTarget() {
        super();