+++ /dev/null
-/*
- * Copyright (c) 2014 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.dom.store.impl;
-
-import java.util.Collection;
-import java.util.Optional;
-import java.util.concurrent.ExecutorService;
-import org.eclipse.jdt.annotation.NonNull;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
-import org.opendaylight.controller.md.sal.dom.spi.AbstractDOMDataTreeChangeListenerRegistration;
-import org.opendaylight.controller.sal.core.spi.data.AbstractDOMStoreTreeChangePublisher;
-import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.util.concurrent.QueuedNotificationManager;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateNode;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidates;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-final class InMemoryDOMStoreTreeChangePublisher extends AbstractDOMStoreTreeChangePublisher {
- private static final Logger LOG = LoggerFactory.getLogger(InMemoryDOMStoreTreeChangePublisher.class);
-
- private final QueuedNotificationManager<AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate>
- notificationManager;
-
- InMemoryDOMStoreTreeChangePublisher(final ExecutorService listenerExecutor, final int maxQueueSize) {
- notificationManager = QueuedNotificationManager.create(listenerExecutor, (listener, notifications) -> {
- // FIXME: we are not checking for listener being closed
- listener.getInstance().onDataTreeChanged(notifications);
- }, maxQueueSize,
- "DataTreeChangeListenerQueueMgr");
- }
-
- private InMemoryDOMStoreTreeChangePublisher(final QueuedNotificationManager<
- AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate> notificationManager) {
- this.notificationManager = notificationManager;
- }
-
- QueuedNotificationManager<AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate>
- getNotificationManager() {
- return notificationManager;
- }
-
- @Override
- protected void notifyListeners(final Collection<AbstractDOMDataTreeChangeListenerRegistration<?>> registrations,
- final YangInstanceIdentifier path, final DataTreeCandidateNode node) {
- final DataTreeCandidate candidate = DataTreeCandidates.newDataTreeCandidate(path, node);
-
- for (AbstractDOMDataTreeChangeListenerRegistration<?> reg : registrations) {
- LOG.debug("Enqueueing candidate {} to registration {}", candidate, registrations);
- notificationManager.submitNotification(reg, candidate);
- }
- }
-
- @Override
- protected synchronized void registrationRemoved(
- final AbstractDOMDataTreeChangeListenerRegistration<?> registration) {
- LOG.debug("Closing registration {}", registration);
-
- // FIXME: remove the queue for this registration and make sure we clear it
- }
-
- <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerTreeChangeListener(
- final YangInstanceIdentifier treeId, final L listener, final DataTreeSnapshot snapshot) {
- final AbstractDOMDataTreeChangeListenerRegistration<L> reg = registerTreeChangeListener(treeId, listener);
-
- final Optional<NormalizedNode<?, ?>> node = snapshot.readNode(YangInstanceIdentifier.empty());
- if (node.isPresent()) {
- final DataTreeCandidate candidate = DataTreeCandidates.fromNormalizedNode(
- YangInstanceIdentifier.empty(), node.get());
-
- InMemoryDOMStoreTreeChangePublisher publisher =
- new InMemoryDOMStoreTreeChangePublisher(notificationManager);
- publisher.registerTreeChangeListener(treeId, listener);
- publisher.publishChange(candidate);
- }
-
- return reg;
- }
-
- synchronized void publishChange(final @NonNull DataTreeCandidate candidate) {
- // Runs synchronized with registrationRemoved()
- processCandidateTree(candidate);
- }
-}