package org.opendaylight.controller.cluster.datastore;
import akka.actor.Props;
-import akka.japi.Creator;
-
import com.google.common.base.Preconditions;
import org.opendaylight.controller.cluster.common.actor.AbstractUntypedActor;
-
import org.opendaylight.controller.cluster.datastore.messages.DataChanged;
import org.opendaylight.controller.cluster.datastore.messages.DataChangedReply;
import org.opendaylight.controller.cluster.datastore.messages.EnableNotification;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+/**
+ * Actor for a DataChangeListener.
+ *
+ * @deprecated Replaced by {@link DataTreeChangeListener}
+ */
+@Deprecated
public class DataChangeListener extends AbstractUntypedActor {
private final AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener;
- private volatile boolean notificationsEnabled = false;
+ private final YangInstanceIdentifier registeredPath;
+ private boolean notificationsEnabled = false;
- public DataChangeListener(AsyncDataChangeListener<YangInstanceIdentifier,
- NormalizedNode<?, ?>> listener) {
+ public DataChangeListener(AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener,
+ final YangInstanceIdentifier registeredPath) {
this.listener = Preconditions.checkNotNull(listener, "listener should not be null");
+ this.registeredPath = Preconditions.checkNotNull(registeredPath);
}
- @Override public void handleReceive(Object message) throws Exception {
- if(message instanceof DataChanged){
+ @Override
+ public void handleReceive(Object message) {
+ if (message instanceof DataChanged) {
dataChanged(message);
- } else if(message instanceof EnableNotification){
+ } else if (message instanceof EnableNotification) {
enableNotification((EnableNotification) message);
+ } else {
+ unknownMessage(message);
}
}
private void enableNotification(EnableNotification message) {
notificationsEnabled = message.isEnabled();
+ LOG.debug("{} notifications for listener {}", notificationsEnabled ? "Enabled" : "Disabled",
+ listener);
}
+ @SuppressWarnings("checkstyle:IllegalCatch")
private void dataChanged(Object message) {
// Do nothing if notifications are not enabled
- if(!notificationsEnabled){
+ if (!notificationsEnabled) {
+ LOG.debug("Notifications not enabled for listener {} - dropping change notification", listener);
return;
}
DataChanged reply = (DataChanged) message;
- AsyncDataChangeEvent<YangInstanceIdentifier, NormalizedNode<?, ?>>
- change = reply.getChange();
- this.listener.onDataChanged(change);
-
- if(getSender() != null){
- getSender().tell(new DataChangedReply(), getSelf());
- }
- }
-
- public static Props props(final AsyncDataChangeListener<YangInstanceIdentifier,
- NormalizedNode<?, ?>> listener) {
- return Props.create(new DataChangeListenerCreator(listener));
- }
+ AsyncDataChangeEvent<YangInstanceIdentifier, NormalizedNode<?, ?>> change = reply.getChange();
- private static class DataChangeListenerCreator implements Creator<DataChangeListener> {
- private static final long serialVersionUID = 1L;
+ LOG.debug("Sending change notification {} to listener {}", change, listener);
- final AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener;
-
- DataChangeListenerCreator(
- AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener) {
- this.listener = listener;
+ try {
+ this.listener.onDataChanged(change);
+ } catch (RuntimeException e) {
+ LOG.error(String.format("Error notifying listener %s", this.listener), e);
}
- @Override
- public DataChangeListener create() throws Exception {
- return new DataChangeListener(listener);
+ if (isValidSender(getSender())) {
+ getSender().tell(DataChangedReply.INSTANCE, getSelf());
}
}
+
+ public static Props props(final AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener,
+ final YangInstanceIdentifier registeredPath) {
+ return Props.create(DataChangeListener.class, listener, registeredPath);
+ }
}