Do not implement concepts.Builder

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / ShardDataTreeChangePublisherActor.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataTreeChangePublisherActor.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataTreeChangePublisherActor.java
index 61a3fa13be6415c27e839580df9e2eac1d58258a..6b716197429eb87c08c5e68170bbdab09b59829d 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataTreeChangePublisherActor.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataTreeChangePublisherActor.java
@@ -7,38 +7,41 @@
  */
 package org.opendaylight.controller.cluster.datastore;
 
+import static java.util.Objects.requireNonNull;
+
 import akka.actor.Props;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
+import java.util.Optional;
 import java.util.function.Consumer;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
 import org.opendaylight.yangtools.concepts.ListenerRegistration;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
+import org.opendaylight.yangtools.yang.data.tree.api.DataTreeCandidate;
 
 /**
  * Actor used to generate and publish DataTreeChange notifications.
  *
  * @author Thomas Pantelis
  */
-public class ShardDataTreeChangePublisherActor
-        extends ShardDataTreeNotificationPublisherActor<ShardDataTreeChangeListenerPublisher> {
+public final class ShardDataTreeChangePublisherActor
+        extends ShardDataTreeNotificationPublisherActor<DefaultShardDataTreeChangeListenerPublisher> {
 
     private ShardDataTreeChangePublisherActor(final String name, final String logContext) {
         super(new DefaultShardDataTreeChangeListenerPublisher(logContext), name, logContext);
     }
 
     @Override
-    protected void handleReceive(Object message) {
+    protected void handleReceive(final Object message) {
         if (message instanceof RegisterListener) {
             RegisterListener reg = (RegisterListener)message;
             LOG.debug("{}: Received {}", logContext(), reg);
             if (reg.initialState.isPresent()) {
                 DefaultShardDataTreeChangeListenerPublisher.notifySingleListener(reg.path, reg.listener,
                         reg.initialState.get(), logContext());
+            } else {
+                reg.listener.onInitialData();
             }
 
-            publisher().registerTreeChangeListener(reg.path, reg.listener, Optional.absent(), reg.onRegistration);
+            publisher().registerTreeChangeListener(reg.path, reg.listener, reg.onRegistration);
         } else {
             super.handleReceive(message);
         }
@@ -57,10 +60,10 @@ public class ShardDataTreeChangePublisherActor
         RegisterListener(final YangInstanceIdentifier path, final DOMDataTreeChangeListener listener,
                 final Optional<DataTreeCandidate> initialState,
                 final Consumer<ListenerRegistration<DOMDataTreeChangeListener>> onRegistration) {
-            this.path = Preconditions.checkNotNull(path);
-            this.listener = Preconditions.checkNotNull(listener);
-            this.initialState = Preconditions.checkNotNull(initialState);
-            this.onRegistration = Preconditions.checkNotNull(onRegistration);
+            this.path = requireNonNull(path);
+            this.listener = requireNonNull(listener);
+            this.initialState = requireNonNull(initialState);
+            this.onRegistration = requireNonNull(onRegistration);
         }
 
         @Override