+++ /dev/null
-/**
- * Copyright (c) 2013 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.base.Preconditions;
-import com.google.common.collect.HashMultimap;
-import com.google.common.collect.Multimap;
-import java.util.Set;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.atomic.AtomicReference;
-import javax.annotation.concurrent.GuardedBy;
-import org.opendaylight.controller.sal.binding.api.NotificationListener;
-import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
-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.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-@Deprecated
-public class HydrogenNotificationBrokerImpl implements NotificationProviderService, AutoCloseable {
- private static final Logger LOG = LoggerFactory.getLogger(HydrogenNotificationBrokerImpl.class);
-
- private final ListenerRegistry<NotificationInterestListener> interestListeners =
- ListenerRegistry.create();
- private final AtomicReference<ListenerMapGeneration> listeners = new AtomicReference<>(new ListenerMapGeneration());
- private final ExecutorService executor;
-
- public HydrogenNotificationBrokerImpl(final ExecutorService executor) {
- this.executor = Preconditions.checkNotNull(executor);
- }
-
- @Override
- public void publish(final Notification notification) {
- publish(notification, executor);
- }
-
- @Override
- public void publish(final Notification notification, final ExecutorService service) {
- for (final NotificationListenerRegistration<?> r : listeners.get().listenersFor(notification)) {
- service.submit(new NotifyTask(r, notification));
- }
- }
-
- @GuardedBy("this")
- private Multimap<Class<? extends Notification>, NotificationListenerRegistration<?>> mutableListeners() {
- return HashMultimap.create(listeners.get().getListeners());
- }
-
- private void addRegistrations(final NotificationListenerRegistration<?>... registrations) {
- synchronized (this) {
- final Multimap<Class<? extends Notification>, NotificationListenerRegistration<?>> newListeners =
- mutableListeners();
- for (final NotificationListenerRegistration<?> reg : registrations) {
- newListeners.put(reg.getType(), reg);
- }
-
- listeners.set(new ListenerMapGeneration(newListeners));
- }
-
- // Notifications are dispatched out of lock...
- for (final NotificationListenerRegistration<?> reg : registrations) {
- announceNotificationSubscription(reg.getType());
- }
- }
-
- private synchronized void removeRegistrations(final NotificationListenerRegistration<?>... registrations) {
- final Multimap<Class<? extends Notification>, NotificationListenerRegistration<?>> newListeners =
- mutableListeners();
-
- for (final NotificationListenerRegistration<?> reg : registrations) {
- newListeners.remove(reg.getType(), reg);
- }
-
- listeners.set(new ListenerMapGeneration(newListeners));
- }
-
- private void announceNotificationSubscription(final Class<? extends Notification> notification) {
- for (final ListenerRegistration<NotificationInterestListener> listener : interestListeners) {
- try {
- listener.getInstance().onNotificationSubscribtion(notification);
- } catch (final Exception e) {
- LOG.warn("Listener {} reported unexpected error on notification {}",
- listener.getInstance(), notification, e);
- }
- }
- }
-
- @Override
- public ListenerRegistration<NotificationInterestListener> registerInterestListener(final NotificationInterestListener interestListener) {
- final ListenerRegistration<NotificationInterestListener> registration = this.interestListeners.register(interestListener);
-
- for (final Class<? extends Notification> notification : listeners.get().getKnownTypes()) {
- interestListener.onNotificationSubscribtion(notification);
- }
- return registration;
- }
-
- @Override
- public <T extends Notification> NotificationListenerRegistration<T> registerNotificationListener(final Class<T> notificationType, final NotificationListener<T> listener) {
- final NotificationListenerRegistration<T> reg = new AbstractNotificationListenerRegistration<T>(notificationType, listener) {
- @Override
- protected void removeRegistration() {
- removeRegistrations(this);
- }
- };
-
- addRegistrations(reg);
- return reg;
- }
-
- @Override
- public ListenerRegistration<org.opendaylight.yangtools.yang.binding.NotificationListener> registerNotificationListener(final org.opendaylight.yangtools.yang.binding.NotificationListener listener) {
- final NotificationInvoker invoker = NotificationInvoker.invokerFor(listener);
- final Set<Class<? extends Notification>> types = invoker.getSupportedNotifications();
- final NotificationListenerRegistration<?>[] regs = new NotificationListenerRegistration<?>[types.size()];
-
- // Populate the registrations...
- int i = 0;
- for (final Class<? extends Notification> type : types) {
- regs[i] = new AggregatedNotificationListenerRegistration<Notification, Object>(type, invoker, regs) {
- @Override
- protected void removeRegistration() {
- // Nothing to do, will be cleaned up by parent (below)
- }
- };
- ++i;
- }
-
- // ... now put them to use ...
- addRegistrations(regs);
-
- // ... finally return the parent registration
- return new AbstractListenerRegistration<org.opendaylight.yangtools.yang.binding.NotificationListener>(listener) {
- @Override
- protected void removeRegistration() {
- removeRegistrations(regs);
- for (final ListenerRegistration<?> reg : regs) {
- reg.close();
- }
- }
- };
- }
-
- @Override
- public void close() {
- }
-
-}
Code Review / controller.git / blobdiff