* </p>
 *
 * @author koichik
 */
public abstract class DisposableUtil {

    /**
     * Do not instantiate.
     */
    protected DisposableUtil() {
    }

    /** Registered {@link Disposable} */
    protected static final Deque<Disposable> disposables = newLinkedList();

    /**
     * Registers a disposable resource.
     *

    /**
     * Registers a client component with a regular expression.
     * The component will be loaded into all registered CrawlerClientFactories.
     * @param regex The regular expression to match URLs.
     * @param componentName The name of the component to register.
     */
    public synchronized void register(final String regex, final String componentName) {
        clientMap.put(regex, componentName);

                request.setFlags(registration.getFlags());

                WitnessRegisterResponse response = rpcClient.register(request);

                if (response != null && response.isSuccess()) {
                    registration.setState(WitnessRegistrationState.REGISTERED);
                    registration.setContextHandle(response.getContextHandle());

     * For other types of values, they are registered directly.
     *
     * @param data the RenderData object to register the value in
     * @param key the key to associate with the value
     * @param value the value to register; can be null, Entity, Collection, or any other object
     */
    public static void register(final RenderData data, final String key, final Object value) {
        if (value == null) {

    }

    /**
     * Gets all registered SSO authenticators.
     *
     * @return Array of all registered SSO authenticators
     */
    public SsoAuthenticator[] getAuthenticators() {
        return authenticatorList.toArray(new SsoAuthenticator[authenticatorList.size()]);
    }

    /**
     * Registers an SSO authenticator with this manager.
     *

    
    // Registration state
    private volatile WitnessRegistrationState state;
    private volatile long lastHeartbeat;
    private int flags;
    
    public enum WitnessRegistrationState {
        REGISTERING,
        REGISTERED,
        UNREGISTERING,
        FAILED,
        EXPIRED
    }
    
    public WitnessRegistration(String shareName, InetAddress serverAddress, 

    /**
     * Constructs a new AbstractRule.
     */
    public AbstractRule() {
        // NOP
    }

    /**
     * Registers this rule with the {@link RuleManager}.
     *
     * @param index the index at which the rule should be registered
     */
    public void register(final int index) {
        final RuleManager ruleManager = crawlerContainer.getComponent("ruleManager");
        ruleManager.addRule(index, this);

    /**
     * Enumeration of possible witness registration states.
     */
    public enum WitnessRegistrationState {
        /** Registration is in progress */
        REGISTERING,
        /** Registration is active and confirmed */
        REGISTERED,
        /** Unregistration is in progress */
        UNREGISTERING,
        /** Registration has failed */
        FAILED,
        /** Registration has expired due to timeout */

    /**
     * Registers a scheduled job with the job manager.
     *
     * @param scheduledJob the scheduled job to register
     */
    public void register(final ScheduledJob scheduledJob) {
        final JobManager jobManager = ComponentUtil.getJobManager();
        jobManager.schedule(cron -> register(cron, scheduledJob));
    }

    /**
     * Registers a scheduled job with the specified cron scheduler.

    }

    /**
     * Registers a data store instance with the factory using the specified name.
     * The data store will be accessible by both the provided name and its class simple name,
     * both converted to lowercase for case-insensitive lookup.
     *
     * @param name the name to register the data store under, must not be null
     * @param dataStore the data store instance to register, must not be null