/*
- * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2021 PANTHEON.tech, s.r.o. 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,
*/
package org.opendaylight.mdsal.binding.dom.adapter;
+import static com.google.common.base.Verify.verify;
+import static com.google.common.base.Verify.verifyNotNull;
import static java.util.Objects.requireNonNull;
-import com.google.common.collect.ImmutableMap;
-import com.google.common.reflect.TypeToken;
-import java.lang.reflect.Method;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-import org.opendaylight.mdsal.binding.dom.adapter.invoke.NotificationListenerInvoker;
+import java.util.concurrent.Executor;
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.mdsal.binding.api.NotificationService.CompositeListener.Component;
+import org.opendaylight.mdsal.binding.api.NotificationService.Listener;
import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
+import org.opendaylight.mdsal.dom.api.DOMEvent;
+import org.opendaylight.mdsal.dom.api.DOMNotification;
+import org.opendaylight.mdsal.dom.api.DOMNotificationListener;
+import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.Notification;
-import org.opendaylight.yangtools.yang.binding.NotificationListener;
import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
-final class BindingDOMNotificationListenerAdapter extends AbstractDOMNotificationListenerAdapter {
- private final ImmutableMap<Absolute, NotificationListenerInvoker> invokers;
- private final NotificationListener delegate;
+final class BindingDOMNotificationListenerAdapter<N extends Notification<N> & DataObject>
+ implements DOMNotificationListener {
+ private final AdapterContext adapterContext;
+ private final Listener<N> delegate;
+ private final Executor executor;
+ private final Class<N> type;
- BindingDOMNotificationListenerAdapter(final AdapterContext adapterContext, final NotificationListener delegate) {
- super(adapterContext);
+ BindingDOMNotificationListenerAdapter(final AdapterContext adapterContext, final Class<N> type,
+ final Listener<N> delegate, final Executor executor) {
+ this.adapterContext = requireNonNull(adapterContext);
+ this.type = requireNonNull(type);
this.delegate = requireNonNull(delegate);
- invokers = createInvokerMapFor(delegate.getClass());
+ this.executor = requireNonNull(executor);
}
- @Override
- void onNotification(final Absolute domType, final Notification notification) {
- invokers.get(domType).invokeNotification(delegate, domType.lastNodeIdentifier(), notification);
+ BindingDOMNotificationListenerAdapter(final AdapterContext adapterContext, final Component<N> component,
+ final Executor executor) {
+ this(adapterContext, component.type(), component.listener(), executor);
}
- @Override
- Set<Absolute> getSupportedNotifications() {
- return invokers.keySet();
+ @NonNull Absolute schemaPath() {
+ return Absolute.of(BindingReflections.findQName(type));
}
- private static ImmutableMap<Absolute, NotificationListenerInvoker> createInvokerMapFor(
- final Class<? extends NotificationListener> implClz) {
- final Map<Absolute, NotificationListenerInvoker> builder = new HashMap<>();
- for (final TypeToken<?> ifaceToken : TypeToken.of(implClz).getTypes().interfaces()) {
- Class<?> iface = ifaceToken.getRawType();
- if (NotificationListener.class.isAssignableFrom(iface) && BindingReflections.isBindingClass(iface)) {
- @SuppressWarnings("unchecked")
- final Class<? extends NotificationListener> listenerType
- = (Class<? extends NotificationListener>) iface;
- final NotificationListenerInvoker invoker = NotificationListenerInvoker.from(listenerType);
- for (final Absolute path : getNotificationTypes(listenerType)) {
- builder.put(path, invoker);
- }
- }
- }
- return ImmutableMap.copyOf(builder);
+ @Override
+ public void onNotification(final DOMNotification notification) {
+ final var binding = type.cast(verifyNotNull(deserialize(notification)));
+ executor.execute(() -> delegate.onNotification(binding));
}
- private static Set<Absolute> getNotificationTypes(final Class<? extends NotificationListener> type) {
- // TODO: Investigate possibility and performance impact if we cache this or expose
- // it from NotificationListenerInvoker
- final Set<Absolute> ret = new HashSet<>();
- for (final Method method : type.getMethods()) {
- if (BindingReflections.isNotificationCallback(method)) {
- final Class<?> notification = method.getParameterTypes()[0];
- ret.add(Absolute.of(BindingReflections.findQName(notification)));
- }
+ private Notification<?> deserialize(final DOMNotification notification) {
+ if (notification instanceof LazySerializedNotification lazy) {
+ // TODO: This is a routed-back notification, for which we may end up losing event time here, but that is
+ // okay, for now at least.
+ return lazy.getBindingData();
}
- return ret;
+
+ final var serializer = adapterContext.currentSerializer();
+ final var result = notification instanceof DOMEvent domEvent
+ ? serializer.fromNormalizedNodeNotification(notification.getType(), notification.getBody(),
+ domEvent.getEventInstant())
+ : serializer.fromNormalizedNodeNotification(notification.getType(), notification.getBody());
+ verify(result instanceof Notification, "Unexpected codec result %s", result);
+ return (Notification<?>) result;
}
}