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.DataTreeListenerInfo;
import org.opendaylight.controller.cluster.datastore.messages.EnableNotification;
+import org.opendaylight.controller.cluster.datastore.messages.GetInfo;
+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;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+/**
+ * Actor for a DataChangeListener.
+ *
+ * @deprecated Replaced by {@link DataTreeChangeListener}
+ */
+@Deprecated
public class DataChangeListener extends AbstractUntypedActor {
private final AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener;
- private final SchemaContext schemaContext;
- private final YangInstanceIdentifier pathId;
+ private final YangInstanceIdentifier registeredPath;
private boolean notificationsEnabled = false;
+ private long notificationCount;
- public DataChangeListener(SchemaContext schemaContext,
- AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener, YangInstanceIdentifier pathId) {
- this.listener = listener;
- this.schemaContext = schemaContext;
- this.pathId = pathId;
+ 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.getClass().equals(DataChanged.SERIALIZABLE_CLASS)){
+ @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 if (message instanceof GetInfo) {
+ getSender().tell(new DataTreeListenerInfo(listener.toString(), registeredPath.toString(),
+ notificationsEnabled, notificationCount), getSelf());
+ } else {
+ unknownMessage(message);
}
}
private void enableNotification(EnableNotification message) {
notificationsEnabled = message.isEnabled();
+ LOG.debug("{} notifications for listener {}", notificationsEnabled ? "Enabled" : "Disabled",
+ listener);
}
- public void dataChanged(Object message) {
+ @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.fromSerialize(schemaContext,message, pathId);
- AsyncDataChangeEvent<YangInstanceIdentifier, NormalizedNode<?, ?>>
- change = reply.getChange();
- this.listener.onDataChanged(change);
+ DataChanged reply = (DataChanged) message;
+ AsyncDataChangeEvent<YangInstanceIdentifier, NormalizedNode<?, ?>> change = reply.getChange();
- if(getSender() != null){
- getSender().tell(new DataChangedReply().toSerializable(), getSelf());
- }
- }
+ LOG.debug("Sending change notification {} to listener {}", change, listener);
- public static Props props(final SchemaContext schemaContext, final AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener, final YangInstanceIdentifier pathId) {
- return Props.create(new Creator<DataChangeListener>() {
- @Override
- public DataChangeListener create() throws Exception {
- return new DataChangeListener(schemaContext,listener,pathId );
- }
+ notificationCount++;
- });
+ try {
+ this.listener.onDataChanged(change);
+ } catch (RuntimeException e) {
+ LOG.error(String.format("Error notifying listener %s", this.listener), e);
+ }
+
+ 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);
}
}