Fix findbugs violations in md-sal - part 3

[controller.git] / opendaylight / md-sal / messagebus-impl / src / main / java / org / opendaylight / controller / messagebus / app / impl / EventSourceTopic.java

diff --git a/opendaylight/md-sal/messagebus-impl/src/main/java/org/opendaylight/controller/messagebus/app/impl/EventSourceTopic.java b/opendaylight/md-sal/messagebus-impl/src/main/java/org/opendaylight/controller/messagebus/app/impl/EventSourceTopic.java
index 2a77807cd8b06241cb1947208a9bf7bec05dfa64..fc4dad6eaf7b8b4962ce902fe51e875167362635 100644 (file)
--- a/opendaylight/md-sal/messagebus-impl/src/main/java/org/opendaylight/controller/messagebus/app/impl/EventSourceTopic.java
+++ b/opendaylight/md-sal/messagebus-impl/src/main/java/org/opendaylight/controller/messagebus/app/impl/EventSourceTopic.java
@@ -20,6 +20,7 @@ import java.util.UUID;
 import java.util.concurrent.CopyOnWriteArraySet;
 import java.util.concurrent.ExecutionException;
 import java.util.regex.Pattern;
+import javax.annotation.Nonnull;
 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
 import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
@@ -121,7 +122,7 @@ public final class EventSourceTopic implements DataTreeChangeListener<Node>, Aut
 
         Futures.addCallback(future, new FutureCallback<Optional<Topology>>() {
             @Override
-            public void onSuccess(final Optional<Topology> data) {
+            public void onSuccess(@Nonnull final Optional<Topology> data) {
                 if (data.isPresent()) {
                     final List<Node> nodes = data.get().getNode();
                     if (nodes != null) {