+++ /dev/null
-/*
- * Copyright (c) 2015 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.messagebus.app.impl;
-
-import static java.util.Objects.requireNonNull;
-
-import com.google.common.util.concurrent.FluentFuture;
-import com.google.common.util.concurrent.FutureCallback;
-import com.google.common.util.concurrent.MoreExecutors;
-import java.util.Collection;
-import java.util.Optional;
-import java.util.UUID;
-import java.util.concurrent.CopyOnWriteArraySet;
-import java.util.concurrent.ExecutionException;
-import java.util.regex.Pattern;
-import org.opendaylight.mdsal.binding.api.DataObjectModification;
-import org.opendaylight.mdsal.binding.api.DataTreeChangeListener;
-import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
-import org.opendaylight.mdsal.binding.api.DataTreeModification;
-import org.opendaylight.mdsal.binding.api.ReadTransaction;
-import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
-import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.NotificationPattern;
-import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.TopicId;
-import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.DisJoinTopicInput;
-import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.DisJoinTopicInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.DisJoinTopicOutput;
-import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.EventSourceService;
-import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.JoinTopicInput;
-import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.JoinTopicInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.JoinTopicOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
-import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
-import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
-import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.common.RpcError;
-import org.opendaylight.yangtools.yang.common.RpcResult;
-import org.slf4j.LoggerFactory;
-
-@Deprecated(forRemoval = true)
-public final class EventSourceTopic implements DataTreeChangeListener<Node>, AutoCloseable {
- private static final org.slf4j.Logger LOG = LoggerFactory.getLogger(EventSourceTopic.class);
-
- private final CopyOnWriteArraySet<InstanceIdentifier<?>> joinedEventSources = new CopyOnWriteArraySet<>();
- private final NotificationPattern notificationPattern;
- private final EventSourceService sourceService;
- private final Pattern nodeIdPattern;
- private final TopicId topicId;
- private ListenerRegistration<?> listenerRegistration;
-
- public static EventSourceTopic create(final NotificationPattern notificationPattern,
- final String nodeIdRegexPattern, final EventSourceTopology eventSourceTopology) {
- final EventSourceTopic est = new EventSourceTopic(notificationPattern, nodeIdRegexPattern,
- eventSourceTopology.getEventSourceService());
- est.registerListner(eventSourceTopology);
- est.notifyExistingNodes(eventSourceTopology);
- return est;
- }
-
- private EventSourceTopic(final NotificationPattern notificationPattern, final String nodeIdRegexPattern,
- final EventSourceService sourceService) {
- this.notificationPattern = requireNonNull(notificationPattern);
- this.sourceService = requireNonNull(sourceService);
- this.nodeIdPattern = Pattern.compile(nodeIdRegexPattern);
- this.topicId = new TopicId(getUUIDIdent());
- this.listenerRegistration = null;
- LOG.info("EventSourceTopic created - topicId {}", topicId.getValue());
- }
-
- public TopicId getTopicId() {
- return topicId;
- }
-
- @Override
- public void onDataTreeChanged(final Collection<DataTreeModification<Node>> changes) {
- for (DataTreeModification<Node> change: changes) {
- final DataObjectModification<Node> rootNode = change.getRootNode();
- switch (rootNode.getModificationType()) {
- case WRITE:
- case SUBTREE_MODIFIED:
- final Node node = rootNode.getDataAfter();
- if (getNodeIdRegexPattern().matcher(node.getNodeId().getValue()).matches()) {
- notifyNode(change.getRootPath().getRootIdentifier());
- }
- break;
- default:
- break;
- }
- }
- }
-
- public void notifyNode(final InstanceIdentifier<?> nodeId) {
- LOG.debug("Notify node: {}", nodeId);
- try {
- final RpcResult<JoinTopicOutput> rpcResultJoinTopic =
- sourceService.joinTopic(getJoinTopicInputArgument(nodeId)).get();
- if (!rpcResultJoinTopic.isSuccessful()) {
- for (final RpcError err : rpcResultJoinTopic.getErrors()) {
- LOG.error("Can not join topic: [{}] on node: [{}]. Error: {}", getTopicId().getValue(),
- nodeId.toString(), err.toString());
- }
- } else {
- joinedEventSources.add(nodeId);
- }
- } catch (InterruptedException | ExecutionException e) {
- LOG.error("Could not invoke join topic for node {}", nodeId);
- }
- }
-
- private void notifyExistingNodes(final EventSourceTopology eventSourceTopology) {
- LOG.debug("Notify existing nodes");
- final Pattern nodeRegex = this.nodeIdPattern;
-
- final FluentFuture<Optional<Topology>> future;
- try (ReadTransaction tx = eventSourceTopology.getDataBroker().newReadOnlyTransaction()) {
- future = tx.read(LogicalDatastoreType.OPERATIONAL, EventSourceTopology.EVENT_SOURCE_TOPOLOGY_PATH);
- }
-
- future.addCallback(new FutureCallback<Optional<Topology>>() {
- @Override
- public void onSuccess(final Optional<Topology> data) {
- if (data.isPresent()) {
- for (final Node node : data.get().nonnullNode().values()) {
- if (nodeRegex.matcher(node.getNodeId().getValue()).matches()) {
- notifyNode(EventSourceTopology.EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class, node.key()));
- }
- }
- }
- }
-
- @Override
- public void onFailure(final Throwable ex) {
- LOG.error("Can not notify existing nodes", ex);
- }
- }, MoreExecutors.directExecutor());
- }
-
- private JoinTopicInput getJoinTopicInputArgument(final InstanceIdentifier<?> path) {
- final NodeRef nodeRef = new NodeRef(path);
- final JoinTopicInput jti =
- new JoinTopicInputBuilder()
- .setNode(nodeRef.getValue())
- .setTopicId(topicId)
- .setNotificationPattern(notificationPattern)
- .build();
- return jti;
- }
-
- public Pattern getNodeIdRegexPattern() {
- return nodeIdPattern;
- }
-
- private DisJoinTopicInput getDisJoinTopicInputArgument(final InstanceIdentifier<?> eventSourceNodeId) {
- final NodeRef nodeRef = new NodeRef(eventSourceNodeId);
- final DisJoinTopicInput dji = new DisJoinTopicInputBuilder()
- .setNode(nodeRef.getValue())
- .setTopicId(topicId)
- .build();
- return dji;
- }
-
- private void registerListner(final EventSourceTopology eventSourceTopology) {
- this.listenerRegistration = eventSourceTopology.getDataBroker().registerDataTreeChangeListener(
- DataTreeIdentifier.create(LogicalDatastoreType.OPERATIONAL,
- EventSourceTopology.EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class)), this);
- }
-
- @Override
- public void close() {
- if (this.listenerRegistration != null) {
- this.listenerRegistration.close();
- }
- for (final InstanceIdentifier<?> eventSourceNodeId : joinedEventSources) {
- try {
- final RpcResult<DisJoinTopicOutput> result = sourceService
- .disJoinTopic(getDisJoinTopicInputArgument(eventSourceNodeId)).get();
- if (result.isSuccessful() == false) {
- for (final RpcError err : result.getErrors()) {
- LOG.error("Can not destroy topic: [{}] on node: [{}]. Error: {}", getTopicId().getValue(),
- eventSourceNodeId, err.toString());
- }
- }
- } catch (InterruptedException | ExecutionException ex) {
- LOG.error("Can not close event source topic / destroy topic {} on node {}.", this.topicId.getValue(),
- eventSourceNodeId, ex);
- }
- }
- joinedEventSources.clear();
- }
-
- private static String getUUIDIdent() {
- final UUID uuid = UUID.randomUUID();
- return uuid.toString();
- }
-}
Code Review / controller.git / blobdiff