X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2Fentityownership%2FEntityOwnerChangeListener.java;h=050ee5d4a57214092abbf07cb736610b91b0e64c;hb=d86f990976dcc2879b40dec7df1b3b5fba8cba78;hp=253761fcb4a8d7a105a18aaf0885eef92a8f500d;hpb=00e97ff87662959a39218b47bac904235003dc8d;p=controller.git

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/entityownership/EntityOwnerChangeListener.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/entityownership/EntityOwnerChangeListener.java
index 253761fcb4..050ee5d4a5 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/entityownership/EntityOwnerChangeListener.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/entityownership/EntityOwnerChangeListener.java
@@ -7,27 +7,19 @@
  */
 package org.opendaylight.controller.cluster.datastore.entityownership;
 
-import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.ENTITY_ID_QNAME;
-import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.ENTITY_OWNERS_PATH;
-import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.ENTITY_OWNER_NODE_ID;
-import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.ENTITY_QNAME;
-import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.ENTITY_TYPE_QNAME;
-import com.google.common.base.Objects;
+import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.createEntity;
 import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import com.google.common.base.Strings;
+import com.google.common.base.Verify;
 import java.util.Collection;
-import java.util.Map.Entry;
-import org.opendaylight.controller.cluster.datastore.ShardDataTree;
-import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.clustering.entity.owners.rev150804.entity.owners.EntityType;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
-import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
-import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
+import java.util.Objects;
+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;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateNode;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -36,73 +28,51 @@ import org.slf4j.LoggerFactory;
  *
  * @author Thomas Pantelis
  */
-class EntityOwnerChangeListener implements DOMDataTreeChangeListener {
+class EntityOwnerChangeListener extends AbstractEntityOwnerChangeListener {
     private static final Logger LOG = LoggerFactory.getLogger(EntityOwnerChangeListener.class);
 
     private final String localMemberName;
     private final EntityOwnershipListenerSupport listenerSupport;
 
-    EntityOwnerChangeListener(String localMemberName, EntityOwnershipListenerSupport listenerSupport) {
-        this.localMemberName = localMemberName;
-        this.listenerSupport = listenerSupport;
-    }
-
-    void init(ShardDataTree shardDataTree) {
-        shardDataTree.registerTreeChangeListener(YangInstanceIdentifier.builder(ENTITY_OWNERS_PATH).
-                node(EntityType.QNAME).node(EntityType.QNAME).node(ENTITY_QNAME).node(ENTITY_QNAME).build(), this);
+    EntityOwnerChangeListener(final MemberName localMemberName, final EntityOwnershipListenerSupport listenerSupport) {
+        this.localMemberName = Verify.verifyNotNull(localMemberName.getName());
+        this.listenerSupport = Preconditions.checkNotNull(listenerSupport);
     }
 
     @Override
-    public void onDataTreeChanged(Collection<DataTreeCandidate> changes) {
+    public void onDataTreeChanged(final Collection<DataTreeCandidate> changes) {
         for(DataTreeCandidate change: changes) {
-            MapEntryNode entityNode = (MapEntryNode) change.getRootNode().getDataAfter().get();
+            DataTreeCandidateNode changeRoot = change.getRootNode();
+            LeafNode<?> ownerLeaf = (LeafNode<?>) changeRoot.getDataAfter().get();
 
-            LOG.debug("Entity node updated: {}", change.getRootPath());
+            LOG.debug("{}: Entity node changed: {}, {}", logId(), changeRoot.getModificationType(), change.getRootPath());
 
-            String newOwner = extractOwner(entityNode);
+            String newOwner = extractOwner(ownerLeaf);
 
             String origOwner = null;
-            Optional<NormalizedNode<?, ?>> dataBefore = change.getRootNode().getDataBefore();
+            Optional<NormalizedNode<?, ?>> dataBefore = changeRoot.getDataBefore();
             if(dataBefore.isPresent()) {
-                MapEntryNode origEntityNode = (MapEntryNode) change.getRootNode().getDataBefore().get();
-                origOwner = extractOwner(origEntityNode);
+                origOwner = extractOwner((LeafNode<?>) changeRoot.getDataBefore().get());
             }
 
-            LOG.debug("New owner: {}, Original owner: {}", newOwner, origOwner);
+            LOG.debug("{}: New owner: {}, Original owner: {}", logId(), newOwner, origOwner);
 
-            boolean isOwner = Objects.equal(localMemberName, newOwner);
-            boolean wasOwner = Objects.equal(localMemberName, origOwner);
-            if(isOwner || wasOwner) {
-                Entity entity = createEntity(change.getRootPath());
+            if (!Objects.equals(origOwner, newOwner)) {
+                boolean isOwner = localMemberName.equals(newOwner);
+                boolean wasOwner = localMemberName.equals(origOwner);
+                boolean hasOwner = !Strings.isNullOrEmpty(newOwner);
 
-                LOG.debug("Calling notifyEntityOwnershipListeners: entity: {}, wasOwner: {}, isOwner: {}",
-                        entity, wasOwner, isOwner);
+                DOMEntity entity = createEntity(change.getRootPath());
 
-                listenerSupport.notifyEntityOwnershipListeners(entity, wasOwner, isOwner);
-            }
-        }
-    }
+                LOG.debug("{}: Calling notifyEntityOwnershipListeners: entity: {}, wasOwner: {}, isOwner: {}, hasOwner: {}",
+                        logId(), entity, wasOwner, isOwner, hasOwner);
 
-    private Entity createEntity(YangInstanceIdentifier entityPath) {
-        String entityType = null;
-        YangInstanceIdentifier entityId = null;
-        for(PathArgument pathArg: entityPath.getPathArguments()) {
-            if(pathArg instanceof NodeIdentifierWithPredicates) {
-                NodeIdentifierWithPredicates nodeKey = (NodeIdentifierWithPredicates) pathArg;
-                Entry<QName, Object> key = nodeKey.getKeyValues().entrySet().iterator().next();
-                if(ENTITY_TYPE_QNAME.equals(key.getKey())) {
-                    entityType = key.getValue().toString();
-                } else if(ENTITY_ID_QNAME.equals(key.getKey())) {
-                    entityId = (YangInstanceIdentifier) key.getValue();
-                }
+                listenerSupport.notifyEntityOwnershipListeners(entity, wasOwner, isOwner, hasOwner);
             }
         }
-
-        return new Entity(entityType, entityId);
     }
 
-    private String extractOwner(MapEntryNode entityNode) {
-        Optional<DataContainerChild<? extends PathArgument, ?>> ownerNode = entityNode.getChild(ENTITY_OWNER_NODE_ID);
-        return ownerNode.isPresent() ? (String) ownerNode.get().getValue() : null;
+    private String logId() {
+        return listenerSupport.getLogId();
     }
 }