import org.codelibs.core.timer.TimeoutTarget;
import org.codelibs.fess.Constants;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.taglib.FessFunctions;
import org.codelibs.fess.util.ComponentUtil;

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

    /**
     * Default constructor.

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

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.timer.TimeoutTarget;
import org.codelibs.fess.helper.LogNotificationHelper;
import org.codelibs.fess.helper.LogNotificationHelper.LogNotificationEvent;
import org.codelibs.fess.opensearch.client.SearchEngineClient;

    }

    /**
     * @throws Exception
     */
    public void testExpired() throws Exception {
        TimeoutTask task = TimeoutManager.getInstance().addTimeoutTarget(new TimeoutTarget() {
            public void expired() {
                System.out.println("expired");
                expiredCount++;
            }
        }, 1, true);

        assertNotNull(TimeoutManager.getInstance().thread);

        assertNotNull(helper);
    }

    @Test
    public void test_init_and_destroy() {
        LogNotificationHelper helper = new LogNotificationHelper();
        // init() registers a TimeoutTarget with TimeoutManager
        helper.init();
        // destroy() cancels the task and flushes; should not throw
        helper.destroy();
    }

    @Test
    public void test_destroy_beforeInit() {