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
9 package org.opendaylight.controller.config.yang.netconf.mdsal.notification;
11 import com.google.common.base.Preconditions;
12 import com.google.common.collect.Lists;
13 import com.google.common.collect.Sets;
14 import java.util.Collections;
16 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
17 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
18 import org.opendaylight.netconf.notifications.BaseNotificationPublisherRegistration;
19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.NetconfState;
21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.Capabilities;
22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.NetconfCapabilityChange;
23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.NetconfCapabilityChangeBuilder;
24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.changed.by.parms.ChangedByBuilder;
25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.changed.by.parms.changed.by.server.or.user.ServerBuilder;
26 import org.opendaylight.yangtools.yang.binding.DataObject;
27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
31 * Listens on capabilities changes in data store and publishes them to base
32 * netconf notification stream listener.
34 final class BaseCapabilityChangeNotificationPublisher implements DataChangeListener, AutoCloseable {
36 private final BaseNotificationPublisherRegistration baseNotificationPublisherRegistration;
38 public BaseCapabilityChangeNotificationPublisher(BaseNotificationPublisherRegistration baseNotificationPublisherRegistration) {
39 this.baseNotificationPublisherRegistration = baseNotificationPublisherRegistration;
43 public void onDataChanged(AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
44 baseNotificationPublisherRegistration.onCapabilityChanged(computeCapabilitycChange(change));
47 private NetconfCapabilityChange computeCapabilitycChange(AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
48 final NetconfCapabilityChangeBuilder netconfCapabilityChangeBuilder = new NetconfCapabilityChangeBuilder();
49 netconfCapabilityChangeBuilder.setChangedBy(new ChangedByBuilder().setServerOrUser(new ServerBuilder().setServer(true).build()).build());
51 if (!change.getCreatedData().isEmpty()) {
52 final InstanceIdentifier capabilitiesIdentifier = InstanceIdentifier.create(NetconfState.class).child(Capabilities.class).builder().build();
53 Preconditions.checkArgument(change.getCreatedData().get(capabilitiesIdentifier) instanceof Capabilities);
54 netconfCapabilityChangeBuilder.setAddedCapability(((Capabilities) change.getCreatedData().get(capabilitiesIdentifier)).getCapability());
55 netconfCapabilityChangeBuilder.setDeletedCapability(Collections.<Uri>emptyList());
57 Preconditions.checkArgument(change.getUpdatedSubtree() instanceof Capabilities);
58 final Set<Uri> currentState = Sets.newHashSet(((Capabilities) change.getUpdatedSubtree()).getCapability());
59 final Set<Uri> previousState = Sets.newHashSet(((Capabilities) change.getOriginalSubtree()).getCapability());
61 netconfCapabilityChangeBuilder.setAddedCapability(Lists.newArrayList(Sets.difference(currentState, previousState)));
62 netconfCapabilityChangeBuilder.setDeletedCapability(Lists.newArrayList(Sets.difference(previousState, currentState)));
65 // TODO modified should be computed ... but why ?
66 netconfCapabilityChangeBuilder.setModifiedCapability(Collections.<Uri>emptyList());
67 return netconfCapabilityChangeBuilder.build();
71 public void close() throws Exception {