*/
package org.opendaylight.controller.cluster.datastore;
-import com.google.common.base.Preconditions;
-import java.util.ArrayList;
-import java.util.List;
import akka.actor.ActorRef;
import akka.actor.ActorSelection;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map.Entry;
import org.opendaylight.controller.cluster.datastore.messages.EnableNotification;
import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener;
import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListenerReply;
+import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
+import org.opendaylight.controller.md.sal.dom.store.impl.DOMImmutableDataChangeEvent;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-final class DataChangeListenerSupport extends LeaderLocalDelegateFactory<RegisterChangeListener, ListenerRegistration<AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>>>> {
+final class DataChangeListenerSupport extends LeaderLocalDelegateFactory<RegisterChangeListener, ListenerRegistration<AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>>>, DOMImmutableDataChangeEvent> {
private static final Logger LOG = LoggerFactory.getLogger(DataChangeListenerSupport.class);
private final List<DelayedListenerRegistration> delayedListenerRegistrations = new ArrayList<>();
private final List<ActorSelection> dataChangeListeners = new ArrayList<>();
- private final Shard shard;
DataChangeListenerSupport(final Shard shard) {
- this.shard = Preconditions.checkNotNull(shard);
+ super(shard);
}
@Override
void onLeadershipChange(final boolean isLeader) {
for (ActorSelection dataChangeListener : dataChangeListeners) {
- dataChangeListener.tell(new EnableNotification(isLeader), shard.getSelf());
+ dataChangeListener.tell(new EnableNotification(isLeader), getSelf());
}
if (isLeader) {
for (DelayedListenerRegistration reg: delayedListenerRegistrations) {
if(!reg.isClosed()) {
- reg.setDelegate(createDelegate(reg.getRegisterChangeListener()));
+ final Entry<ListenerRegistration<AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>>>, DOMImmutableDataChangeEvent> res =
+ createDelegate(reg.getRegisterChangeListener());
+ reg.setDelegate(res.getKey());
+ if (res.getValue() != null) {
+ reg.getInstance().onDataChanged(res.getValue());
+ }
}
}
@Override
void onMessage(final RegisterChangeListener message, final boolean isLeader) {
- LOG.debug("{}: registerDataChangeListener for {}, leader: {}", shard.persistenceId(), message.getPath(), isLeader);
+ LOG.debug("{}: registerDataChangeListener for {}, leader: {}", persistenceId(), message.getPath(), isLeader);
- ListenerRegistration<AsyncDataChangeListener<YangInstanceIdentifier,
+ final ListenerRegistration<AsyncDataChangeListener<YangInstanceIdentifier,
NormalizedNode<?, ?>>> registration;
+ final AsyncDataChangeEvent<YangInstanceIdentifier, NormalizedNode<?, ?>> event;
if (isLeader) {
- registration = createDelegate(message);
+ final Entry<ListenerRegistration<AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>>>, DOMImmutableDataChangeEvent> res =
+ createDelegate(message);
+ registration = res.getKey();
+ event = res.getValue();
} else {
- LOG.debug("{}: Shard is not the leader - delaying registration", shard.persistenceId());
+ LOG.debug("{}: Shard is not the leader - delaying registration", persistenceId());
DelayedListenerRegistration delayedReg = new DelayedListenerRegistration(message);
delayedListenerRegistrations.add(delayedReg);
registration = delayedReg;
+ event = null;
}
- ActorRef listenerRegistration = shard.getContext().actorOf(
- DataChangeListenerRegistration.props(registration));
+ ActorRef listenerRegistration = createActor(DataChangeListenerRegistration.props(registration));
LOG.debug("{}: registerDataChangeListener sending reply, listenerRegistrationPath = {} ",
- shard.persistenceId(), listenerRegistration.path());
+ persistenceId(), listenerRegistration.path());
- shard.getSender().tell(new RegisterChangeListenerReply(listenerRegistration), shard.getSelf());
+ tellSender(new RegisterChangeListenerReply(listenerRegistration));
+ if (event != null) {
+ registration.getInstance().onDataChanged(event);
+ }
}
@Override
- ListenerRegistration<AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>>> createDelegate(
+ Entry<ListenerRegistration<AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>>>, DOMImmutableDataChangeEvent> createDelegate(
final RegisterChangeListener message) {
- ActorSelection dataChangeListenerPath = shard.getContext().system().actorSelection(
- message.getDataChangeListenerPath());
+ ActorSelection dataChangeListenerPath = selectActor(message.getDataChangeListenerPath());
// Notify the listener if notifications should be enabled or not
// If this shard is the leader then it will enable notifications else
// it will not
- dataChangeListenerPath.tell(new EnableNotification(true), shard.getSelf());
+ dataChangeListenerPath.tell(new EnableNotification(true), getSelf());
// Now store a reference to the data change listener so it can be notified
// at a later point if notifications should be enabled or disabled
AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener =
new DataChangeListenerProxy(dataChangeListenerPath);
- LOG.debug("{}: Registering for path {}", shard.persistenceId(), message.getPath());
+ LOG.debug("{}: Registering for path {}", persistenceId(), message.getPath());
- return shard.getDataStore().registerChangeListener(message.getPath(), listener,
+ return getShard().getDataStore().registerChangeListener(message.getPath(), listener,
message.getScope());
}
}