import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
-import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
import java.util.Collection;
import java.util.List;
import java.util.UUID;
import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
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.yangtools.yang.common.RpcResult;
import org.slf4j.LoggerFactory;
-public class EventSourceTopic implements DataTreeChangeListener<Node>, AutoCloseable {
+public final class EventSourceTopic implements DataTreeChangeListener<Node>, AutoCloseable {
private static final org.slf4j.Logger LOG = LoggerFactory.getLogger(EventSourceTopic.class);
private final NotificationPattern notificationPattern;
private final EventSourceService sourceService;
private ListenerRegistration<?> listenerRegistration;
private final CopyOnWriteArraySet<InstanceIdentifier<?>> joinedEventSources = new CopyOnWriteArraySet<>();
- public static EventSourceTopic create(final NotificationPattern notificationPattern, final String nodeIdRegexPattern, final EventSourceTopology eventSourceTopology){
- final EventSourceTopic est = new EventSourceTopic(notificationPattern, nodeIdRegexPattern, eventSourceTopology.getEventSourceService());
+ 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) {
+ private EventSourceTopic(final NotificationPattern notificationPattern, final String nodeIdRegexPattern,
+ final EventSourceService sourceService) {
this.notificationPattern = Preconditions.checkNotNull(notificationPattern);
this.sourceService = Preconditions.checkNotNull(sourceService);
this.nodeIdPattern = Pattern.compile(nodeIdRegexPattern);
public void notifyNode(final InstanceIdentifier<?> nodeId) {
LOG.debug("Notify node: {}", nodeId);
try {
- final RpcResult<JoinTopicOutput> rpcResultJoinTopic = sourceService.joinTopic(getJoinTopicInputArgument(nodeId)).get();
- if(rpcResultJoinTopic.isSuccessful() == false){
- for(final RpcError err : rpcResultJoinTopic.getErrors()){
- LOG.error("Can not join topic: [{}] on node: [{}]. Error: {}",getTopicId().getValue(),nodeId.toString(),err.toString());
+ 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 (final Exception e) {
+ } catch (InterruptedException | ExecutionException e) {
LOG.error("Could not invoke join topic for node {}", nodeId);
}
}
- private void notifyExistingNodes(final EventSourceTopology eventSourceTopology){
+ private void notifyExistingNodes(final EventSourceTopology eventSourceTopology) {
LOG.debug("Notify existing nodes");
final Pattern nodeRegex = this.nodeIdPattern;
final ReadOnlyTransaction tx = eventSourceTopology.getDataBroker().newReadOnlyTransaction();
- final CheckedFuture<Optional<Topology>, ReadFailedException> future =
+ final ListenableFuture<Optional<Topology>> future =
tx.read(LogicalDatastoreType.OPERATIONAL, EventSourceTopology.EVENT_SOURCE_TOPOLOGY_PATH);
- Futures.addCallback(future, new FutureCallback<Optional<Topology>>(){
-
+ Futures.addCallback(future, new FutureCallback<Optional<Topology>>() {
@Override
public void onSuccess(final Optional<Topology> data) {
- if(data.isPresent()) {
- final List<Node> nodes = data.get().getNode();
- if(nodes != null){
+ if (data.isPresent()) {
+ final List<Node> nodes = data.get().getNode();
+ if (nodes != null) {
for (final Node node : nodes) {
- if (nodeRegex.matcher(node.getNodeId().getValue()).matches()) {
- notifyNode(EventSourceTopology.EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class, node.getKey()));
- }
- }
- }
+ if (nodeRegex.matcher(node.getNodeId().getValue()).matches()) {
+ notifyNode(EventSourceTopology.EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class,
+ node.getKey()));
+ }
+ }
+ }
}
tx.close();
}
@Override
- public void onFailure(final Throwable t) {
- LOG.error("Can not notify existing nodes", t);
+ public void onFailure(final Throwable ex) {
+ LOG.error("Can not notify existing nodes", ex);
tx.close();
}
-
- });
-
+ }, MoreExecutors.directExecutor());
}
private JoinTopicInput getJoinTopicInputArgument(final InstanceIdentifier<?> path) {
return nodeIdPattern;
}
- private DisJoinTopicInput getDisJoinTopicInputArgument(final InstanceIdentifier<?> eventSourceNodeId){
+ private DisJoinTopicInput getDisJoinTopicInputArgument(final InstanceIdentifier<?> eventSourceNodeId) {
final NodeRef nodeRef = new NodeRef(eventSourceNodeId);
final DisJoinTopicInput dji = new DisJoinTopicInputBuilder()
.setNode(nodeRef.getValue())
@Override
public void close() {
- if(this.listenerRegistration != null){
+ if (this.listenerRegistration != null) {
this.listenerRegistration.close();
}
- for(final InstanceIdentifier<?> eventSourceNodeId : joinedEventSources){
+ for (final InstanceIdentifier<?> eventSourceNodeId : joinedEventSources) {
try {
- final RpcResult<Void> 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());
+ final RpcResult<Void> 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);
+ LOG.error("Can not close event source topic / destroy topic {} on node {}.", this.topicId.getValue(),
+ eventSourceNodeId, ex);
}
}
joinedEventSources.clear();
}
- private static String getUUIDIdent(){
+ private static String getUUIDIdent() {
final UUID uuid = UUID.randomUUID();
return uuid.toString();
}
Code Review / controller.git / blobdiff