Use singleton NodeIdentifierWithPredicates
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / entityownership / EntityOwnerChangeListener.java
index d10bc2158ae9824a5f6946d62d055da27895f35e..38dbae3865fca68afa2cec03424157027c6c4ac9 100644 (file)
@@ -7,11 +7,16 @@
  */
 package org.opendaylight.controller.cluster.datastore.entityownership;
 
+import static com.google.common.base.Verify.verifyNotNull;
+import static java.util.Objects.requireNonNull;
 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.createEntity;
-import com.google.common.base.Objects;
-import com.google.common.base.Optional;
+
+import com.google.common.base.Strings;
 import java.util.Collection;
-import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
+import java.util.Objects;
+import java.util.Optional;
+import org.opendaylight.controller.cluster.access.concepts.MemberName;
+import org.opendaylight.mdsal.eos.dom.api.DOMEntity;
 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
@@ -28,47 +33,49 @@ class EntityOwnerChangeListener extends AbstractEntityOwnerChangeListener {
     private static final Logger LOG = LoggerFactory.getLogger(EntityOwnerChangeListener.class);
 
     private final String localMemberName;
-    private final EntityOwnershipListenerSupport listenerSupport;
+    private final EntityOwnershipChangePublisher publisher;
 
-    EntityOwnerChangeListener(String localMemberName, EntityOwnershipListenerSupport listenerSupport) {
-        this.localMemberName = localMemberName;
-        this.listenerSupport = listenerSupport;
+    EntityOwnerChangeListener(final MemberName localMemberName, final EntityOwnershipChangePublisher publisher) {
+        this.localMemberName = verifyNotNull(localMemberName.getName());
+        this.publisher = requireNonNull(publisher);
     }
 
     @Override
-    public void onDataTreeChanged(Collection<DataTreeCandidate> changes) {
-        for(DataTreeCandidate change: changes) {
+    public void onDataTreeChanged(final Collection<DataTreeCandidate> changes) {
+        for (DataTreeCandidate change: changes) {
             DataTreeCandidateNode changeRoot = change.getRootNode();
             LeafNode<?> ownerLeaf = (LeafNode<?>) changeRoot.getDataAfter().get();
 
-            LOG.debug("{}: Entity node changed: {}, {}", logId(), changeRoot.getModificationType(), change.getRootPath());
+            LOG.debug("{}: Entity node changed: {}, {}", logId(), changeRoot.getModificationType(),
+                    change.getRootPath());
 
             String newOwner = extractOwner(ownerLeaf);
 
             String origOwner = null;
             Optional<NormalizedNode<?, ?>> dataBefore = changeRoot.getDataBefore();
-            if(dataBefore.isPresent()) {
+            if (dataBefore.isPresent()) {
                 origOwner = extractOwner((LeafNode<?>) changeRoot.getDataBefore().get());
             }
 
             LOG.debug("{}: New owner: {}, Original owner: {}", logId(), newOwner, origOwner);
 
-            if(!Objects.equal(origOwner, newOwner)) {
-                boolean isOwner = Objects.equal(localMemberName, newOwner);
-                boolean wasOwner = Objects.equal(localMemberName, origOwner);
-                boolean hasOwner = newOwner != null && !newOwner.toString().isEmpty();
+            if (!Objects.equals(origOwner, newOwner)) {
+                boolean isOwner = localMemberName.equals(newOwner);
+                boolean wasOwner = localMemberName.equals(origOwner);
+                boolean hasOwner = !Strings.isNullOrEmpty(newOwner);
 
-                Entity entity = createEntity(change.getRootPath());
+                DOMEntity entity = createEntity(change.getRootPath());
 
-                LOG.debug("{}: Calling notifyEntityOwnershipListeners: entity: {}, wasOwner: {}, isOwner: {}, hasOwner: {}",
-                        logId(), entity, wasOwner, isOwner, hasOwner);
+                LOG.debug(
+                    "{}: Calling notifyEntityOwnershipListeners: entity: {}, wasOwner: {}, isOwner: {}, hasOwner: {}",
+                    logId(), entity, wasOwner, isOwner, hasOwner);
 
-                listenerSupport.notifyEntityOwnershipListeners(entity, wasOwner, isOwner, hasOwner);
+                publisher.notifyEntityOwnershipListeners(entity, wasOwner, isOwner, hasOwner);
             }
         }
     }
 
     private String logId() {
-        return listenerSupport.getLogId();
+        return publisher.getLogId();
     }
 }