--- /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.sal.binding.impl;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Set;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Future;
+
+import org.eclipse.xtext.xbase.lib.Conversions;
+import org.eclipse.xtext.xbase.lib.Exceptions;
+import org.eclipse.xtext.xbase.lib.Functions.Function0;
+import org.eclipse.xtext.xbase.lib.Functions.Function1;
+import org.eclipse.xtext.xbase.lib.IterableExtensions;
+import org.opendaylight.controller.sal.binding.api.NotificationListener;
+import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
+import org.opendaylight.controller.sal.binding.codegen.impl.SingletonHolder;
+import org.opendaylight.controller.sal.binding.spi.NotificationInvokerFactory.NotificationInvoker;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.concepts.Registration;
+import org.opendaylight.yangtools.concepts.util.ListenerRegistry;
+import org.opendaylight.yangtools.yang.binding.Notification;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.Objects;
+import com.google.common.collect.HashMultimap;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.ImmutableSet.Builder;
+import com.google.common.collect.Iterables;
+import com.google.common.collect.Multimap;
+import com.google.common.collect.Multimaps;
+import com.google.common.collect.SetMultimap;
+
+public class NotificationBrokerImpl implements NotificationProviderService, AutoCloseable {
+ private final ListenerRegistry<NotificationInterestListener> interestListeners = new Function0<ListenerRegistry<NotificationInterestListener>>() {
+ @Override
+ public ListenerRegistry<NotificationInterestListener> apply() {
+ ListenerRegistry<NotificationInterestListener> _create = ListenerRegistry.<NotificationInterestListener>create();
+ return _create;
+ }
+ }.apply();
+
+ private final Multimap<Class<? extends Notification>,NotificationListener<? extends Object>> listeners;
+
+ private ExecutorService _executor;
+
+ public ExecutorService getExecutor() {
+ return this._executor;
+ }
+
+ public void setExecutor(final ExecutorService executor) {
+ this._executor = executor;
+ }
+
+ private final Logger logger = new Function0<Logger>() {
+ @Override
+ public Logger apply() {
+ Logger _logger = LoggerFactory.getLogger(NotificationBrokerImpl.class);
+ return _logger;
+ }
+ }.apply();
+
+ public NotificationBrokerImpl() {
+ HashMultimap<Class<? extends Notification>,NotificationListener<? extends Object>> _create = HashMultimap.<Class<? extends Notification>, NotificationListener<? extends Object>>create();
+ SetMultimap<Class<? extends Notification>,NotificationListener<? extends Object>> _synchronizedSetMultimap = Multimaps.<Class<? extends Notification>, NotificationListener<? extends Object>>synchronizedSetMultimap(_create);
+ this.listeners = _synchronizedSetMultimap;
+ }
+
+ @Deprecated
+ public NotificationBrokerImpl(final ExecutorService executor) {
+ HashMultimap<Class<? extends Notification>,NotificationListener<? extends Object>> _create = HashMultimap.<Class<? extends Notification>, NotificationListener<? extends Object>>create();
+ SetMultimap<Class<? extends Notification>,NotificationListener<? extends Object>> _synchronizedSetMultimap = Multimaps.<Class<? extends Notification>, NotificationListener<? extends Object>>synchronizedSetMultimap(_create);
+ this.listeners = _synchronizedSetMultimap;
+ this.setExecutor(executor);
+ }
+
+ public Iterable<Class<? extends Object>> getNotificationTypes(final Notification notification) {
+ Class<? extends Notification> _class = notification.getClass();
+ Class<? extends Object>[] _interfaces = _class.getInterfaces();
+ final Function1<Class<? extends Object>,Boolean> _function = new Function1<Class<? extends Object>,Boolean>() {
+ @Override
+ public Boolean apply(final Class<? extends Object> it) {
+ boolean _and = false;
+ boolean _notEquals = (!Objects.equal(it, Notification.class));
+ if (!_notEquals) {
+ _and = false;
+ } else {
+ boolean _isAssignableFrom = Notification.class.isAssignableFrom(it);
+ _and = (_notEquals && _isAssignableFrom);
+ }
+ return Boolean.valueOf(_and);
+ }
+ };
+ Iterable<Class<? extends Object>> _filter = IterableExtensions.<Class<? extends Object>>filter(((Iterable<Class<? extends Object>>)Conversions.doWrapArray(_interfaces)), _function);
+ return _filter;
+ }
+
+ @Override
+ public void publish(final Notification notification) {
+ ExecutorService _executor = this.getExecutor();
+ this.publish(notification, _executor);
+ }
+
+ @Override
+ public void publish(final Notification notification, final ExecutorService service) {
+ final Iterable<Class<? extends Object>> allTypes = this.getNotificationTypes(notification);
+ Iterable<NotificationListener<? extends Object>> listenerToNotify = Collections.<NotificationListener<? extends Object>>emptySet();
+ for (final Class<? extends Object> type : allTypes) {
+ Collection<NotificationListener<? extends Object>> _get = this.listeners.get(((Class<? extends Notification>) type));
+ Iterable<NotificationListener<? extends Object>> _plus = Iterables.<NotificationListener<? extends Object>>concat(listenerToNotify, _get);
+ listenerToNotify = _plus;
+ }
+ final Function1<NotificationListener<? extends Object>,NotifyTask> _function = new Function1<NotificationListener<? extends Object>,NotifyTask>() {
+ @Override
+ public NotifyTask apply(final NotificationListener<? extends Object> it) {
+ NotifyTask _notifyTask = new NotifyTask(it, notification);
+ return _notifyTask;
+ }
+ };
+ Iterable<NotifyTask> _map = IterableExtensions.<NotificationListener<? extends Object>, NotifyTask>map(listenerToNotify, _function);
+ final Set<NotifyTask> tasks = IterableExtensions.<NotifyTask>toSet(_map);
+ ExecutorService _executor = this.getExecutor();
+ this.submitAll(_executor, tasks);
+ }
+
+ public ImmutableSet<Future<Object>> submitAll(final ExecutorService service, final Set<NotifyTask> tasks) {
+ final Builder<Future<Object>> ret = ImmutableSet.<Future<Object>>builder();
+ for (final NotifyTask task : tasks) {
+ Future<Object> _submit = service.<Object>submit(task);
+ ret.add(_submit);
+ }
+ return ret.build();
+ }
+
+ @Override
+ public <T extends Notification> Registration<NotificationListener<T>> registerNotificationListener(final Class<T> notificationType, final NotificationListener<T> listener) {
+ GenericNotificationRegistration<T> _genericNotificationRegistration = new GenericNotificationRegistration<T>(notificationType, listener, this);
+ final GenericNotificationRegistration<T> reg = _genericNotificationRegistration;
+ this.listeners.put(notificationType, listener);
+ this.announceNotificationSubscription(notificationType);
+ return reg;
+ }
+
+ public void announceNotificationSubscription(final Class<? extends Notification> notification) {
+ for (final ListenerRegistration<NotificationInterestListener> listener : this.interestListeners) {
+ try {
+ NotificationInterestListener _instance = listener.getInstance();
+ _instance.onNotificationSubscribtion(notification);
+ } catch (final Throwable _t) {
+ if (_t instanceof Exception) {
+ final Exception e = (Exception)_t;
+ String _message = e.getMessage();
+ this.logger.error("", _message);
+ } else {
+ throw Exceptions.sneakyThrow(_t);
+ }
+ }
+ }
+ }
+
+ @Override
+ public Registration<org.opendaylight.yangtools.yang.binding.NotificationListener> registerNotificationListener(final org.opendaylight.yangtools.yang.binding.NotificationListener listener) {
+ final NotificationInvoker invoker = SingletonHolder.INVOKER_FACTORY.invokerFor(listener);
+ Set<Class<? extends Notification>> _supportedNotifications = invoker.getSupportedNotifications();
+ for (final Class<? extends Notification> notifyType : _supportedNotifications) {
+ {
+ NotificationListener<Notification> _invocationProxy = invoker.getInvocationProxy();
+ this.listeners.put(notifyType, _invocationProxy);
+ this.announceNotificationSubscription(notifyType);
+ }
+ }
+ GeneratedListenerRegistration _generatedListenerRegistration = new GeneratedListenerRegistration(listener, invoker, this);
+ final GeneratedListenerRegistration registration = _generatedListenerRegistration;
+ return (registration);
+ }
+
+ protected boolean unregisterListener(final GenericNotificationRegistration<? extends Object> reg) {
+ Class<? extends Notification> _type = reg.getType();
+ NotificationListener<? extends Notification> _instance = reg.getInstance();
+ boolean _remove = this.listeners.remove(_type, _instance);
+ return _remove;
+ }
+
+ protected void unregisterListener(final GeneratedListenerRegistration reg) {
+ NotificationInvoker _invoker = reg.getInvoker();
+ Set<Class<? extends Notification>> _supportedNotifications = _invoker.getSupportedNotifications();
+ for (final Class<? extends Notification> notifyType : _supportedNotifications) {
+ NotificationInvoker _invoker_1 = reg.getInvoker();
+ NotificationListener<Notification> _invocationProxy = _invoker_1.getInvocationProxy();
+ this.listeners.remove(notifyType, _invocationProxy);
+ }
+ }
+
+ @Override
+ public void close() {
+ }
+
+ @Override
+ public ListenerRegistration<NotificationInterestListener> registerInterestListener(final NotificationInterestListener interestListener) {
+ final ListenerRegistration<NotificationInterestListener> registration = this.interestListeners.register(interestListener);
+ Set<Class<? extends Notification>> _keySet = this.listeners.keySet();
+ for (final Class<? extends Notification> notification : _keySet) {
+ interestListener.onNotificationSubscribtion(notification);
+ }
+ return registration;
+ }
+}
Code Review / controller.git / blobdiff