Simplify DTCL registration support classes

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/entityownership/DistributedEntityOwnershipService.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/entityownership/DistributedEntityOwnershipService.java
index b363551b556feb09e0b35c30002b4798e67f994f..95b01fb48b29a8c14464d0e2dae78b56f76611f2 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/entityownership/DistributedEntityOwnershipService.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/entityownership/DistributedEntityOwnershipService.java
@@ -16,11 +16,10 @@ import akka.dispatch.OnComplete;
 import akka.pattern.Patterns;
 import akka.util.Timeout;
 import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;
 import com.google.common.base.Strings;
-import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 import java.util.Collection;
+import java.util.Optional;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.TimeUnit;
@@ -180,19 +179,18 @@ public class DistributedEntityOwnershipService implements DOMEntityOwnershipServ
     }
 
     @Override
-    @SuppressFBWarnings(value = "NP_NULL_PARAM_DEREF", justification = "Unrecognised NullableDecl")
     public Optional<EntityOwnershipState> getOwnershipState(final DOMEntity forEntity) {
         Preconditions.checkNotNull(forEntity, "forEntity cannot be null");
 
         DataTree dataTree = getLocalEntityOwnershipShardDataTree();
         if (dataTree == null) {
-            return Optional.absent();
+            return Optional.empty();
         }
 
         java.util.Optional<NormalizedNode<?, ?>> entityNode = dataTree.takeSnapshot().readNode(
                 entityPath(forEntity.getType(), forEntity.getIdentifier()));
         if (!entityNode.isPresent()) {
-            return Optional.absent();
+            return Optional.empty();
         }
 
         // Check if there are any candidates, if there are none we do not really have ownership state
@@ -202,7 +200,7 @@ public class DistributedEntityOwnershipService implements DOMEntityOwnershipServ
         final boolean hasCandidates = optionalCandidates.isPresent()
                 && ((MapNode) optionalCandidates.get()).getValue().size() > 0;
         if (!hasCandidates) {
-            return Optional.absent();
+            return Optional.empty();
         }
 
         MemberName localMemberName = context.getCurrentMemberName();