*/
package org.opendaylight.controller.cluster.datastore;
-import com.google.common.base.Preconditions;
+import static java.util.Objects.requireNonNull;
+
import akka.actor.ActorRef;
import akka.actor.ActorSelection;
import java.util.Collection;
+import org.eclipse.jdt.annotation.Nullable;
import org.opendaylight.controller.cluster.datastore.messages.DataTreeChanged;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
+import org.opendaylight.controller.cluster.datastore.messages.OnInitialData;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
/**
* Internal implementation of a {@link DOMDataTreeChangeListener} which
* message and forwards them towards the client's {@link DataTreeChangeListenerActor}.
*/
final class ForwardingDataTreeChangeListener implements DOMDataTreeChangeListener {
+ private static final Logger LOG = LoggerFactory.getLogger(ForwardingDataTreeChangeListener.class);
+
private final ActorSelection actor;
+ private final ActorRef sendingActor;
+
+ ForwardingDataTreeChangeListener(final ActorSelection actor, @Nullable final ActorRef sendingActor) {
+ this.actor = requireNonNull(actor, "actor should not be null");
+ this.sendingActor = sendingActor;
+ }
- ForwardingDataTreeChangeListener(final ActorSelection actor) {
- this.actor = Preconditions.checkNotNull(actor, "actor should not be null");
+ @Override
+ public void onDataTreeChanged(final Collection<DataTreeCandidate> changes) {
+ LOG.debug("Sending DataTreeChanged to {}", actor);
+ actor.tell(new DataTreeChanged(changes), sendingActor);
+ }
+
+ @Override
+ public void onInitialData() {
+ LOG.debug("Sending OnInitialData to {}", actor);
+ actor.tell(OnInitialData.INSTANCE, sendingActor);
}
@Override
- public void onDataTreeChanged(Collection<DataTreeCandidate> changes) {
- actor.tell(new DataTreeChanged(changes), ActorRef.noSender());
+ public String toString() {
+ return "ForwardingDataTreeChangeListener [actor=" + actor
+ + ", sending actor=" + (sendingActor != null ? sendingActor : "NO_SENDER") + "]";
}
}