-/*
- * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.controller.md.sal.binding.compat;
-
-import com.google.common.collect.Sets;
-import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
-import java.util.Collections;
-import java.util.Iterator;
-import java.util.Set;
-import org.opendaylight.controller.md.sal.binding.impl.BindingDOMNotificationPublishServiceAdapter;
-import org.opendaylight.controller.md.sal.binding.impl.BindingDOMNotificationServiceAdapter;
-import org.opendaylight.controller.md.sal.binding.impl.BindingToNormalizedNodeCodec;
-import org.opendaylight.controller.md.sal.dom.api.DOMNotificationService;
-import org.opendaylight.controller.md.sal.dom.spi.DOMNotificationSubscriptionListener;
-import org.opendaylight.controller.md.sal.dom.spi.DOMNotificationSubscriptionListenerRegistry;
-import org.opendaylight.controller.sal.binding.api.NotificationListener;
-import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
-import org.opendaylight.yangtools.concepts.AbstractListenerRegistration;
-import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.util.ListenerRegistry;
-import org.opendaylight.yangtools.yang.binding.Notification;
-import org.opendaylight.yangtools.yang.model.api.SchemaPath;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-@Deprecated(forRemoval = true)
-public class HeliumNotificationProviderServiceWithInterestListeners extends HeliumNotificationProviderServiceAdapter {
-
- private static final Logger LOG = LoggerFactory.getLogger(
- HeliumNotificationProviderServiceWithInterestListeners.class);
-
- private final ListenerRegistry<NotificationInterestListener> interestListeners = ListenerRegistry.create();
- private final ListenerRegistration<Listener> domListener;
- private final DOMNotificationService domService;
- private final BindingToNormalizedNodeCodec codec;
-
- public HeliumNotificationProviderServiceWithInterestListeners(
- final BindingDOMNotificationPublishServiceAdapter publishService,
- final BindingDOMNotificationServiceAdapter listenService,
- final DOMNotificationSubscriptionListenerRegistry registry) {
- super(publishService, listenService);
- this.codec = publishService.getCodecRegistry();
- this.domListener = registry.registerSubscriptionListener(new Listener());
- this.domService = listenService.getDomService();
- }
-
- @Override
- public ListenerRegistration<NotificationInterestListener> registerInterestListener(
- final NotificationInterestListener listener) {
- notifyListener(listener, translate(domListener.getInstance().getAllObserved()));
- return interestListeners.register(listener);
- }
-
- private Set<Class<? extends Notification>> translate(final Set<SchemaPath> added) {
- return codec.getNotificationClasses(added);
- }
-
- @SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD",
- justification = "https://github.com/spotbugs/spotbugs/issues/811")
- @SuppressWarnings("checkstyle:IllegalCatch")
- private void notifyAllListeners(final Set<SchemaPath> added) {
- final Iterator<? extends ListenerRegistration<? extends NotificationInterestListener>> listeners =
- interestListeners.getRegistrations().iterator();
- if (listeners.hasNext()) {
- final Set<Class<? extends Notification>> baEvent = translate(added);
- while (listeners.hasNext()) {
- final NotificationInterestListener listenerRef = listeners.next().getInstance();
- try {
- notifyListener(listenerRef, baEvent);
- } catch (RuntimeException e) {
- LOG.warn("Unhandled exception during invoking listener {}", listenerRef, e);
- }
- }
- }
- }
-
- @Override
- public <T extends Notification> ListenerRegistration<NotificationListener<T>> registerNotificationListener(
- final Class<T> type, final NotificationListener<T> listener) {
-
- final FunctionalNotificationListenerAdapter<T> adapter =
- new FunctionalNotificationListenerAdapter<>(codec, type, listener);
- final SchemaPath domType = SchemaPath.create(true, BindingReflections.findQName(type));
- final ListenerRegistration<?> domReg = domService.registerNotificationListener(adapter, domType);
- return new AbstractListenerRegistration<NotificationListener<T>>(listener) {
- @Override
- protected void removeRegistration() {
- domReg.close();
- }
- };
- }
-
- private static void notifyListener(final NotificationInterestListener listener,
- final Set<Class<? extends Notification>> baEvent) {
- for (final Class<? extends Notification> event: baEvent) {
- listener.onNotificationSubscribtion(event);
- }
- }
-
- private final class Listener implements DOMNotificationSubscriptionListener {
-
- private volatile Set<SchemaPath> allObserved = Collections.emptySet();
-
- @Override
- public void onSubscriptionChanged(final Set<SchemaPath> currentTypes) {
- final Set<SchemaPath> added = Sets.difference(currentTypes, allObserved).immutableCopy();
- notifyAllListeners(added);
- allObserved = Sets.union(allObserved, added).immutableCopy();
- }
-
- Set<SchemaPath> getAllObserved() {
- return allObserved;
- }
- }
-
- @Override
- public void close() {
- super.close();
- domListener.close();
- }
-}