2 * Copyright (c) 2016 Cisco Systems 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.dsbenchmark.listener;
10 import java.util.Collection;
11 import java.util.concurrent.atomic.AtomicInteger;
12 import org.opendaylight.mdsal.binding.api.DataObjectModification;
13 import org.opendaylight.mdsal.binding.api.DataObjectModification.ModificationType;
14 import org.opendaylight.mdsal.binding.api.DataTreeChangeListener;
15 import org.opendaylight.mdsal.binding.api.DataTreeModification;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.dsbenchmark.rev150105.TestExec;
17 import org.opendaylight.yangtools.yang.binding.DataObject;
18 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument;
19 import org.slf4j.Logger;
20 import org.slf4j.LoggerFactory;
22 public class DsbenchmarkListener implements DataTreeChangeListener<TestExec> {
23 private static final Logger LOG = LoggerFactory.getLogger(DsbenchmarkListener.class);
24 private final AtomicInteger numEvents = new AtomicInteger(0);
25 private final AtomicInteger numDataChanges = new AtomicInteger(0);
28 public void onDataTreeChanged(
29 final Collection<DataTreeModification<TestExec>> changes) {
30 // Since we're registering the same DsbenchmarkListener object for both
31 // OPERATIONAL and CONFIG, the onDataTreeChanged() method can be called
32 // from different threads, and we need to use atomic counters.
34 final int eventNum = numEvents.incrementAndGet();
35 numDataChanges.addAndGet(changes.size());
37 if (LOG.isDebugEnabled()) {
38 logDataTreeChangeEvent(eventNum, changes);
42 private static synchronized void logDataTreeChangeEvent(final int eventNum,
43 final Collection<DataTreeModification<TestExec>> changes) {
44 LOG.debug("DsbenchmarkListener-onDataTreeChanged: Event {}", eventNum);
46 for (DataTreeModification<TestExec> change : changes) {
47 final DataObjectModification<TestExec> rootNode = change.getRootNode();
48 final ModificationType modType = rootNode.getModificationType();
49 final PathArgument changeId = rootNode.getIdentifier();
50 final Collection<? extends DataObjectModification<? extends DataObject>> modifications =
51 rootNode.getModifiedChildren();
53 LOG.debug(" changeId {}, modType {}, mods: {}", changeId, modType, modifications.size());
55 for (DataObjectModification<? extends DataObject> mod : modifications) {
56 LOG.debug(" mod-getDataAfter: {}", mod.getDataAfter());
61 public int getNumEvents() {
62 return numEvents.get();
65 public int getNumDataChanges() {
66 return numDataChanges.get();