2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.cluster.datastore;
10 import com.google.common.base.Optional;
11 import java.util.Collection;
12 import java.util.function.Consumer;
13 import javax.annotation.concurrent.NotThreadSafe;
14 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
15 import org.opendaylight.mdsal.dom.spi.AbstractDOMDataTreeChangeListenerRegistration;
16 import org.opendaylight.mdsal.dom.spi.store.AbstractDOMStoreTreeChangePublisher;
17 import org.opendaylight.yangtools.concepts.ListenerRegistration;
18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
19 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
20 import org.slf4j.Logger;
21 import org.slf4j.LoggerFactory;
24 * Default implementation of ShardDataTreeChangeListenerPublisher that directly generates and publishes
25 * notifications for DataTreeChangeListeners.
27 * @author Thomas Pantelis
30 final class DefaultShardDataTreeChangeListenerPublisher extends AbstractDOMStoreTreeChangePublisher
31 implements ShardDataTreeChangeListenerPublisher {
32 private static final Logger LOG = LoggerFactory.getLogger(DefaultShardDataTreeChangeListenerPublisher.class);
35 public void publishChanges(final DataTreeCandidate candidate, String logContext) {
36 processCandidateTree(candidate);
40 protected void notifyListener(AbstractDOMDataTreeChangeListenerRegistration<?> registration,
41 Collection<DataTreeCandidate> changes) {
42 registration.getInstance().onDataTreeChanged(changes);
46 protected void registrationRemoved(final AbstractDOMDataTreeChangeListenerRegistration<?> registration) {
47 LOG.debug("Registration {} removed", registration);
51 public void registerTreeChangeListener(YangInstanceIdentifier treeId, DOMDataTreeChangeListener listener,
52 Optional<DataTreeCandidate> initialState,
53 Consumer<ListenerRegistration<DOMDataTreeChangeListener>> onRegistration) {
54 AbstractDOMDataTreeChangeListenerRegistration<org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener>
55 registration = super.registerTreeChangeListener(treeId,
56 (org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener)changes ->
57 listener.onDataTreeChanged(changes));
59 onRegistration.accept(
60 new org.opendaylight.controller.md.sal.dom.spi.AbstractDOMDataTreeChangeListenerRegistration<
61 DOMDataTreeChangeListener>(listener) {
63 protected void removeRegistration() {
68 if (initialState.isPresent()) {
69 notifySingleListener(treeId, listener, initialState.get());
73 static void notifySingleListener(YangInstanceIdentifier treeId, DOMDataTreeChangeListener listener,
74 DataTreeCandidate state) {
75 DefaultShardDataTreeChangeListenerPublisher publisher = new DefaultShardDataTreeChangeListenerPublisher();
76 publisher.registerTreeChangeListener(treeId, listener, Optional.absent(), noop -> { });
77 publisher.publishChanges(state, "");