Bug 6540: EOS - Rework behavior of onPeerDown
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / test / java / org / opendaylight / controller / cluster / datastore / entityownership / EntityOwnershipShardTest.java
index 762f5f66923798319866ffa8471e7b8916e84878..13fb8dc0322ff04c9a19382e226e2d70b0a4a93c 100644 (file)
@@ -12,9 +12,9 @@ import static org.mockito.AdditionalMatchers.or;
 import static org.mockito.Matchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.reset;
 import static org.mockito.Mockito.timeout;
+import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.ENTITY_OWNERS_PATH;
 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.candidatePath;
@@ -27,7 +27,6 @@ import akka.actor.UntypedActor;
 import akka.dispatch.Dispatchers;
 import akka.testkit.JavaTestKit;
 import akka.testkit.TestActorRef;
-import com.google.common.base.Function;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.util.concurrent.Uninterruptibles;
 import java.util.ArrayList;
@@ -39,6 +38,7 @@ import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
 import org.junit.After;
 import org.junit.Test;
+import org.opendaylight.controller.cluster.access.concepts.MemberName;
 import org.opendaylight.controller.cluster.datastore.AbstractShardTest;
 import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
 import org.opendaylight.controller.cluster.datastore.DatastoreContext;
@@ -63,14 +63,15 @@ import org.opendaylight.controller.cluster.datastore.modification.Modification;
 import org.opendaylight.controller.cluster.raft.ReplicatedLogEntry;
 import org.opendaylight.controller.cluster.raft.TestActorFactory;
 import org.opendaylight.controller.cluster.raft.base.messages.ElectionTimeout;
+import org.opendaylight.controller.cluster.raft.base.messages.TimeoutNow;
 import org.opendaylight.controller.cluster.raft.messages.AppendEntries;
 import org.opendaylight.controller.cluster.raft.messages.AppendEntriesReply;
 import org.opendaylight.controller.cluster.raft.messages.RequestVote;
 import org.opendaylight.controller.cluster.raft.messages.RequestVoteReply;
 import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
-import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
-import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipChange;
-import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipListener;
+import org.opendaylight.mdsal.eos.dom.api.DOMEntity;
+import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipChange;
+import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipListener;
 import org.opendaylight.yangtools.yang.common.QName;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
@@ -114,7 +115,7 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
         ShardTestKit.waitUntilLeader(shard);
 
         YangInstanceIdentifier entityId = ENTITY_ID1;
-        Entity entity = new Entity(ENTITY_TYPE, entityId);
+        DOMEntity entity = new DOMEntity(ENTITY_TYPE, entityId);
 
         shard.tell(new RegisterCandidateLocal(entity), kit.getRef());
         kit.expectMsgClass(SuccessReply.class);
@@ -138,7 +139,7 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
                 withDispatcher(Dispatchers.DefaultDispatcherId()));
 
         YangInstanceIdentifier entityId = ENTITY_ID1;
-        Entity entity = new Entity(ENTITY_TYPE, entityId);
+        DOMEntity entity = new DOMEntity(ENTITY_TYPE, entityId);
 
         shard.tell(new RegisterCandidateLocal(entity), kit.getRef());
         kit.expectMsgClass(SuccessReply.class);
@@ -173,7 +174,7 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
         ShardTestKit.waitUntilLeader(shard);
 
         YangInstanceIdentifier entityId = ENTITY_ID1;
-        Entity entity = new Entity(ENTITY_TYPE, entityId);
+        DOMEntity entity = new DOMEntity(ENTITY_TYPE, entityId);
 
         shard.tell(new RegisterCandidateLocal(entity), kit.getRef());
         kit.expectMsgClass(SuccessReply.class);
@@ -213,7 +214,7 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
         Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
 
         YangInstanceIdentifier entityId = ENTITY_ID1;
-        Entity entity = new Entity(ENTITY_TYPE, entityId);
+        DOMEntity entity = new DOMEntity(ENTITY_TYPE, entityId);
 
         shard.tell(new RegisterCandidateLocal(entity), kit.getRef());
         kit.expectMsgClass(SuccessReply.class);
@@ -243,7 +244,7 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
         shard.tell(new AppendEntries(1L, peerId, -1L, -1L, Collections.<ReplicatedLogEntry>emptyList(), -1L, -1L,
                 DataStoreVersions.CURRENT_VERSION), peer);
 
-        shard.tell(new RegisterCandidateLocal(new Entity(ENTITY_TYPE, ENTITY_ID1)), kit.getRef());
+        shard.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID1)), kit.getRef());
         kit.expectMsgClass(SuccessReply.class);
 
         MockLeader leader = peer.underlyingActor();
@@ -259,7 +260,7 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
 
         shard.tell(dataStoreContextBuilder.shardTransactionCommitTimeoutInSeconds(1).build(), ActorRef.noSender());
 
-        shard.tell(new RegisterCandidateLocal(new Entity(ENTITY_TYPE, ENTITY_ID2)), kit.getRef());
+        shard.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID2)), kit.getRef());
         kit.expectMsgClass(SuccessReply.class);
 
         assertEquals("Leader received BatchedModifications", true, Uninterruptibles.awaitUninterruptibly(
@@ -276,7 +277,7 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
         for(int i = 1; i <= max; i++) {
             YangInstanceIdentifier id = YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "test" + i));
             entityIds.add(id);
-            shard.tell(new RegisterCandidateLocal(new Entity(ENTITY_TYPE, id)), kit.getRef());
+            shard.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, id)), kit.getRef());
         }
 
         assertEquals("Leader received BatchedModifications", true, Uninterruptibles.awaitUninterruptibly(
@@ -300,7 +301,7 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
         TestActorRef<EntityOwnershipShard> shard = actorFactory.createTestActor(newShardProps());
         ShardTestKit.waitUntilLeader(shard);
 
-        Entity entity = new Entity(ENTITY_TYPE, ENTITY_ID1);
+        DOMEntity entity = new DOMEntity(ENTITY_TYPE, ENTITY_ID1);
 
         // Register
 
@@ -332,7 +333,7 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
         TestActorRef<EntityOwnershipShard> shard = actorFactory.createTestActor(newShardProps());
         ShardTestKit.waitUntilLeader(shard);
 
-        Entity entity = new Entity(ENTITY_TYPE, ENTITY_ID1);
+        DOMEntity entity = new DOMEntity(ENTITY_TYPE, ENTITY_ID1);
         ShardDataTree shardDataTree = shard.underlyingActor().getDataStore();
 
         // Add a remote candidate
@@ -406,29 +407,31 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
         ShardIdentifier peerId2 = newShardId(peerMemberName2);
 
         TestActorRef<EntityOwnershipShard> peer1 = actorFactory.createTestActor(newShardProps(peerId1,
-                ImmutableMap.<String, String>builder().put(leaderId.toString(), ""). put(peerId2.toString(), "").build(),
-                        peerMemberName1, EntityOwnerSelectionStrategyConfig.newBuilder().build()).withDispatcher(Dispatchers.DefaultDispatcherId()), peerId1.toString());
+                ImmutableMap.<String, String>builder().put(leaderId.toString(), actorFactory.createTestActorPath(leaderId.toString())).
+                        put(peerId2.toString(), actorFactory.createTestActorPath(peerId2.toString())).build(), peerMemberName1,
+                EntityOwnerSelectionStrategyConfig.newBuilder().build()).withDispatcher(Dispatchers.DefaultDispatcherId()), peerId1.toString());
 
         TestActorRef<EntityOwnershipShard> peer2 = actorFactory.createTestActor(newShardProps(peerId2,
-                ImmutableMap.<String, String>builder().put(leaderId.toString(), ""). put(peerId1.toString(), "").build(),
-                        peerMemberName2, EntityOwnerSelectionStrategyConfig.newBuilder().build()). withDispatcher(Dispatchers.DefaultDispatcherId()), peerId2.toString());
+                ImmutableMap.<String, String>builder().put(leaderId.toString(), actorFactory.createTestActorPath(leaderId.toString())).
+                        put(peerId1.toString(), peer1.path().toString()).build(), peerMemberName2,
+                EntityOwnerSelectionStrategyConfig.newBuilder().build()). withDispatcher(Dispatchers.DefaultDispatcherId()), peerId2.toString());
 
         TestActorRef<EntityOwnershipShard> leader = actorFactory.createTestActor(newShardProps(leaderId,
                 ImmutableMap.<String, String>builder().put(peerId1.toString(), peer1.path().toString()).
                         put(peerId2.toString(), peer2.path().toString()).build(), LOCAL_MEMBER_NAME, EntityOwnerSelectionStrategyConfig.newBuilder().build()).
                 withDispatcher(Dispatchers.DefaultDispatcherId()), leaderId.toString());
-        leader.tell(ElectionTimeout.INSTANCE, leader);
+        leader.tell(TimeoutNow.INSTANCE, leader);
 
         ShardTestKit.waitUntilLeader(leader);
 
         // Send PeerDown and PeerUp with no entities
 
-        leader.tell(new PeerDown(peerMemberName2, peerId2.toString()), ActorRef.noSender());
-        leader.tell(new PeerUp(peerMemberName2, peerId2.toString()), ActorRef.noSender());
+        leader.tell(new PeerDown(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
+        leader.tell(new PeerUp(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
 
         // Add candidates for entity1 with the local leader as the owner
 
-        leader.tell(new RegisterCandidateLocal(new Entity(ENTITY_TYPE, ENTITY_ID1)), kit.getRef());
+        leader.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID1)), kit.getRef());
         kit.expectMsgClass(SuccessReply.class);
         verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
 
@@ -453,7 +456,7 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
         commitModification(leader, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID3, peerMemberName2), kit);
         verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID3, peerMemberName2);
 
-        leader.tell(new RegisterCandidateLocal(new Entity(ENTITY_TYPE, ENTITY_ID3)), kit.getRef());
+        leader.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID3)), kit.getRef());
         kit.expectMsgClass(SuccessReply.class);
         verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
 
@@ -481,34 +484,42 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
         kit.expectMsgClass(JavaTestKit.duration("5 seconds"), Terminated.class);
         kit.unwatch(peer2);
 
-        leader.tell(new PeerDown(peerMemberName2, peerId2.toString()), ActorRef.noSender());
+        leader.tell(new PeerDown(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
         // Send PeerDown again - should be noop
-        leader.tell(new PeerDown(peerMemberName2, peerId2.toString()), ActorRef.noSender());
-        peer1.tell(new PeerDown(peerMemberName2, peerId2.toString()), ActorRef.noSender());
+        leader.tell(new PeerDown(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
+        peer1.tell(new PeerDown(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
 
-        verifyOwner(leader, ENTITY_TYPE, ENTITY_ID4, ""); // no other candidates so should clear
-        verifyOwner(leader, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
-        verifyOwner(leader, ENTITY_TYPE, ENTITY_ID2, peerMemberName1);
         verifyOwner(leader, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
+        verifyOwner(leader, ENTITY_TYPE, ENTITY_ID2, peerMemberName1);
+        verifyOwner(leader, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
+        // no other candidates for entity4 so peerMember2 should remain owner.
+        verifyOwner(leader, ENTITY_TYPE, ENTITY_ID4, peerMemberName2);
 
-        verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID1, peerMemberName2);
-        verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID2, peerMemberName2);
-        verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID3, peerMemberName2);
-        verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID4, peerMemberName2);
+        verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID1, peerMemberName2);
+        verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID2, peerMemberName2);
+        verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID3, peerMemberName2);
+        verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID4, peerMemberName2);
 
-        // Reinstate peerMember2 - no owners should change
+        // Reinstate peerMember2
 
         peer2 = actorFactory.createTestActor(newShardProps(peerId2,
-                ImmutableMap.<String, String>builder().put(leaderId.toString(), ""). put(peerId1.toString(), "").build(),
-                        peerMemberName2, EntityOwnerSelectionStrategyConfig.newBuilder().build()). withDispatcher(Dispatchers.DefaultDispatcherId()), peerId2.toString());
-        leader.tell(new PeerUp(peerMemberName2, peerId2.toString()), ActorRef.noSender());
+                    ImmutableMap.<String, String>builder().put(leaderId.toString(), leader.path().toString()).
+                            put(peerId1.toString(), peer1.path().toString()).build(), peerMemberName2,
+                    EntityOwnerSelectionStrategyConfig.newBuilder().build()). withDispatcher(Dispatchers.DefaultDispatcherId()), peerId2.toString());
+        leader.tell(new PeerUp(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
         // Send PeerUp again - should be noop
-        leader.tell(new PeerUp(peerMemberName2, peerId2.toString()), ActorRef.noSender());
-        peer1.tell(new PeerUp(peerMemberName2, peerId2.toString()), ActorRef.noSender());
+        leader.tell(new PeerUp(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
+        peer1.tell(new PeerUp(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
+
+        // peerMember2's candidates should be removed on startup.
+        verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID1, peerMemberName2);
+        verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID2, peerMemberName2);
+        verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID3, peerMemberName2);
+        verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID4, peerMemberName2);
 
-        verifyOwner(leader, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
-        verifyOwner(leader, ENTITY_TYPE, ENTITY_ID2, peerMemberName1);
         verifyOwner(leader, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
+        verifyOwner(leader, ENTITY_TYPE, ENTITY_ID2, peerMemberName1);
+        verifyOwner(leader, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
         verifyOwner(leader, ENTITY_TYPE, ENTITY_ID4, "");
 
         // Add back candidate peerMember2 for entities 1, 2, & 3.
@@ -526,111 +537,58 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
         // Kill peerMember1 and send PeerDown - entity 2 should get a new owner selected
 
         peer1.tell(PoisonPill.getInstance(), ActorRef.noSender());
-        leader.tell(new PeerDown(peerMemberName1, peerId1.toString()), ActorRef.noSender());
+        leader.tell(new PeerDown(peerId1.getMemberName(), peerId1.toString()), ActorRef.noSender());
 
         verifyOwner(leader, ENTITY_TYPE, ENTITY_ID2, peerMemberName2);
 
         // Verify the reinstated peerMember2 is fully synced.
 
-        verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID4, "");
-        verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
-        verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID2, peerMemberName2);
         verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
+        verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID2, peerMemberName2);
+        verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
+        verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID4, "");
 
         // Reinstate peerMember1 and verify no owner changes
 
         peer1 = actorFactory.createTestActor(newShardProps(peerId1,
-                ImmutableMap.<String, String>builder().put(leaderId.toString(), ""). put(peerId2.toString(), "").build(),
-                        peerMemberName1, EntityOwnerSelectionStrategyConfig.newBuilder().build()).withDispatcher(Dispatchers.DefaultDispatcherId()), peerId1.toString());
-        leader.tell(new PeerUp(peerMemberName1, peerId1.toString()), ActorRef.noSender());
+                ImmutableMap.<String, String>builder().put(leaderId.toString(), leader.path().toString()).
+                        put(peerId2.toString(), peer2.path().toString()).build(), peerMemberName1,
+                EntityOwnerSelectionStrategyConfig.newBuilder().build()).withDispatcher(Dispatchers.DefaultDispatcherId()), peerId1.toString());
+        leader.tell(new PeerUp(peerId1.getMemberName(), peerId1.toString()), ActorRef.noSender());
 
-        verifyOwner(leader, ENTITY_TYPE, ENTITY_ID4, "");
-        verifyOwner(leader, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
-        verifyOwner(leader, ENTITY_TYPE, ENTITY_ID2, peerMemberName2);
         verifyOwner(leader, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
+        verifyOwner(leader, ENTITY_TYPE, ENTITY_ID2, peerMemberName2);
+        verifyOwner(leader, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
+        verifyOwner(leader, ENTITY_TYPE, ENTITY_ID4, "");
+
+        verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID1, peerMemberName1);
+        verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID2, peerMemberName1);
+        verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID3, peerMemberName1);
 
         // Verify the reinstated peerMember1 is fully synced.
 
-        verifyOwner(peer1, ENTITY_TYPE, ENTITY_ID4, "");
-        verifyOwner(peer1, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
-        verifyOwner(peer1, ENTITY_TYPE, ENTITY_ID2, peerMemberName2);
         verifyOwner(peer1, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
+        verifyOwner(peer1, ENTITY_TYPE, ENTITY_ID2, peerMemberName2);
+        verifyOwner(peer1, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
+        verifyOwner(peer1, ENTITY_TYPE, ENTITY_ID4, "");
 
         // Kill the local leader and elect peer2 the leader. This should cause a new owner to be selected for
         // the entities (1 and 3) previously owned by the local leader member.
 
         peer2.tell(new PeerAddressResolved(peerId1.toString(), peer1.path().toString()), ActorRef.noSender());
-        peer2.tell(new PeerUp(LOCAL_MEMBER_NAME, leaderId.toString()), ActorRef.noSender());
-        peer2.tell(new PeerUp(peerMemberName1, peerId1.toString()), ActorRef.noSender());
+        peer2.tell(new PeerUp(leaderId.getMemberName(), leaderId.toString()), ActorRef.noSender());
+        peer2.tell(new PeerUp(peerId1.getMemberName(), peerId1.toString()), ActorRef.noSender());
 
         leader.tell(PoisonPill.getInstance(), ActorRef.noSender());
-        peer2.tell(new PeerDown(LOCAL_MEMBER_NAME, leaderId.toString()), ActorRef.noSender());
-        peer2.tell(ElectionTimeout.INSTANCE, peer2);
+        peer2.tell(new PeerDown(leaderId.getMemberName(), leaderId.toString()), ActorRef.noSender());
+        peer2.tell(TimeoutNow.INSTANCE, peer2);
 
         ShardTestKit.waitUntilLeader(peer2);
 
-        verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID4, "");
-        verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID3, peerMemberName2);
-        verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID2, peerMemberName2);
         verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID1, peerMemberName2);
-    }
-
-    @Test
-    public void testLocalCandidateRemovedWithCandidateRegistered() throws Exception {
-        ShardTestKit kit = new ShardTestKit(getSystem());
-
-        dataStoreContextBuilder.shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(10000);
-        ShardIdentifier leaderId = newShardId("leader");
-        ShardIdentifier localId = newShardId(LOCAL_MEMBER_NAME);
-
-        TestActorRef<EntityOwnershipShard> shard = actorFactory.createTestActor(Props.create(
-                TestEntityOwnershipShard.class, localId,
-                ImmutableMap.<String, String>builder().put(leaderId.toString(), "".toString()).build(),
-                dataStoreContextBuilder.build()).withDispatcher(Dispatchers.DefaultDispatcherId()));
-
-        TestActorRef<EntityOwnershipShard> leader = actorFactory.createTestActor(newShardProps(leaderId,
-                ImmutableMap.<String, String>builder().put(localId.toString(), shard.path().toString()).build(),
-                    LOCAL_MEMBER_NAME, EntityOwnerSelectionStrategyConfig.newBuilder().build()).withDispatcher(Dispatchers.DefaultDispatcherId()), leaderId.toString());
-        leader.tell(ElectionTimeout.INSTANCE, leader);
-
-        ShardTestKit.waitUntilLeader(leader);
-
-        shard.tell(new PeerAddressResolved(leaderId.toString(), leader.path().toString()), ActorRef.noSender());
-
-        Entity entity = new Entity(ENTITY_TYPE, ENTITY_ID1);
-        EntityOwnershipListener listener = mock(EntityOwnershipListener.class);
-
-        shard.tell(new RegisterListenerLocal(listener, ENTITY_TYPE), kit.getRef());
-        kit.expectMsgClass(SuccessReply.class);
-
-        // Register local candidate
-
-        shard.tell(new RegisterCandidateLocal(entity), kit.getRef());
-        kit.expectMsgClass(SuccessReply.class);
-        verifyCommittedEntityCandidate(shard, entity.getType(), entity.getId(), LOCAL_MEMBER_NAME);
-        verify(listener, timeout(5000)).ownershipChanged(ownershipChange(entity, false, true, true));
-        reset(listener);
-
-        // Simulate a replicated commit from the leader to remove the local candidate that would occur after a
-        // network partition is healed.
-
-        leader.tell(new PeerDown(LOCAL_MEMBER_NAME, localId.toString()), ActorRef.noSender());
-
-        verify(listener, timeout(5000)).ownershipChanged(ownershipChange(entity, true, false, false));
-
-        // Since the the shard has a local candidate registered, it should re-add its candidate to the entity.
-
-        verifyCommittedEntityCandidate(shard, entity.getType(), entity.getId(), LOCAL_MEMBER_NAME);
-        verify(listener, timeout(5000)).ownershipChanged(ownershipChange(entity, false, true, true));
-
-        // Unregister the local candidate and verify it's removed and no re-added.
-
-        shard.tell(new UnregisterCandidateLocal(entity), kit.getRef());
-        kit.expectMsgClass(SuccessReply.class);
-
-        verifyNoEntityCandidate(shard, entity.getType(), entity.getId(), LOCAL_MEMBER_NAME);
-        Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
-        verifyNoEntityCandidate(shard, entity.getType(), entity.getId(), LOCAL_MEMBER_NAME);
+        verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID2, peerMemberName2);
+        verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID3, peerMemberName2);
+        verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID4, "");
     }
 
     @Test
@@ -641,11 +599,11 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
         ShardDataTree shardDataTree = shard.underlyingActor().getDataStore();
 
         String otherEntityType = "otherEntityType";
-        Entity entity1 = new Entity(ENTITY_TYPE, ENTITY_ID1);
-        Entity entity2 = new Entity(ENTITY_TYPE, ENTITY_ID2);
-        Entity entity3 = new Entity(ENTITY_TYPE, ENTITY_ID3);
-        Entity entity4 = new Entity(otherEntityType, ENTITY_ID3);
-        EntityOwnershipListener listener = mock(EntityOwnershipListener.class);
+        DOMEntity entity1 = new DOMEntity(ENTITY_TYPE, ENTITY_ID1);
+        DOMEntity entity2 = new DOMEntity(ENTITY_TYPE, ENTITY_ID2);
+        DOMEntity entity3 = new DOMEntity(ENTITY_TYPE, ENTITY_ID3);
+        DOMEntity entity4 = new DOMEntity(otherEntityType, ENTITY_ID3);
+        DOMEntityOwnershipListener listener = mock(DOMEntityOwnershipListener.class);
 
         // Register listener
 
@@ -676,9 +634,9 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
         // Register remote candidate for entity1
 
         String remoteMemberName = "remoteMember";
-        writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, entity1.getId(), remoteMemberName),
+        writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, entity1.getIdentifier(), remoteMemberName),
                 shardDataTree);
-        verifyCommittedEntityCandidate(shard, ENTITY_TYPE, entity1.getId(), remoteMemberName);
+        verifyCommittedEntityCandidate(shard, ENTITY_TYPE, entity1.getIdentifier(), remoteMemberName);
 
         // Unregister the local candidate for entity1 and verify listener is notified
 
@@ -696,9 +654,9 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
         shard.tell(new RegisterCandidateLocal(entity3), kit.getRef());
         kit.expectMsgClass(SuccessReply.class);
 
-        verifyOwner(shard, ENTITY_TYPE, entity3.getId(), LOCAL_MEMBER_NAME);
+        verifyOwner(shard, ENTITY_TYPE, entity3.getIdentifier(), LOCAL_MEMBER_NAME);
         Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
-        verify(listener, never()).ownershipChanged(any(EntityOwnershipChange.class));
+        verify(listener, never()).ownershipChanged(any(DOMEntityOwnershipChange.class));
 
         // Re-register the listener and verify it gets notified of currently owned entities
 
@@ -724,7 +682,7 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
     }
 
     private static BatchedModifications newBatchedModifications() {
-        BatchedModifications modifications = new BatchedModifications("tnx", DataStoreVersions.CURRENT_VERSION, "");
+        BatchedModifications modifications = new BatchedModifications(nextTransactionId(), DataStoreVersions.CURRENT_VERSION);
         modifications.setDoCommitOnReady(true);
         modifications.setReady(true);
         modifications.setTotalMessagesSent(1);
@@ -734,42 +692,33 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
     private void verifyEntityCandidateRemoved(final TestActorRef<EntityOwnershipShard> shard, String entityType,
             YangInstanceIdentifier entityId, String candidateName) {
         verifyNodeRemoved(candidatePath(entityType, entityId, candidateName),
-                new Function<YangInstanceIdentifier, NormalizedNode<?,?>>() {
-                    @Override
-                    public NormalizedNode<?, ?> apply(YangInstanceIdentifier path) {
-                        try {
-                            return AbstractShardTest.readStore(shard, path);
-                        } catch(Exception e) {
-                            throw new AssertionError("Failed to read " + path, e);
-                        }
-                }
-        });
+                path -> {
+                    try {
+                        return AbstractShardTest.readStore(shard, path);
+                    } catch(Exception e) {
+                        throw new AssertionError("Failed to read " + path, e);
+                    }
+            });
     }
 
     private void verifyCommittedEntityCandidate(final TestActorRef<EntityOwnershipShard> shard, String entityType,
             YangInstanceIdentifier entityId, String candidateName) {
-        verifyEntityCandidate(entityType, entityId, candidateName, new Function<YangInstanceIdentifier, NormalizedNode<?,?>>() {
-            @Override
-            public NormalizedNode<?, ?> apply(YangInstanceIdentifier path) {
-                try {
-                    return AbstractShardTest.readStore(shard, path);
-                } catch(Exception e) {
-                    throw new AssertionError("Failed to read " + path, e);
-                }
+        verifyEntityCandidate(entityType, entityId, candidateName, path -> {
+            try {
+                return AbstractShardTest.readStore(shard, path);
+            } catch(Exception e) {
+                throw new AssertionError("Failed to read " + path, e);
             }
         });
     }
 
     private void verifyNoEntityCandidate(final TestActorRef<EntityOwnershipShard> shard, String entityType,
             YangInstanceIdentifier entityId, String candidateName) {
-        verifyEntityCandidate(entityType, entityId, candidateName, new Function<YangInstanceIdentifier, NormalizedNode<?,?>>() {
-            @Override
-            public NormalizedNode<?, ?> apply(YangInstanceIdentifier path) {
-                try {
-                    return AbstractShardTest.readStore(shard, path);
-                } catch(Exception e) {
-                    throw new AssertionError("Failed to read " + path, e);
-                }
+        verifyEntityCandidate(entityType, entityId, candidateName, path -> {
+            try {
+                return AbstractShardTest.readStore(shard, path);
+            } catch(Exception e) {
+                throw new AssertionError("Failed to read " + path, e);
             }
         }, false);
     }
@@ -789,14 +738,11 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
 
     private static void verifyOwner(final TestActorRef<EntityOwnershipShard> shard, String entityType,
             YangInstanceIdentifier entityId, String localMemberName) {
-        verifyOwner(localMemberName, entityType, entityId, new Function<YangInstanceIdentifier, NormalizedNode<?,?>>() {
-            @Override
-            public NormalizedNode<?, ?> apply(YangInstanceIdentifier path) {
-                try {
-                    return AbstractShardTest.readStore(shard, path);
-                } catch(Exception e) {
-                    return null;
-                }
+        verifyOwner(localMemberName, entityType, entityId, path -> {
+            try {
+                return AbstractShardTest.readStore(shard, path);
+            } catch(Exception e) {
+                return null;
             }
         });
     }
@@ -805,17 +751,11 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
         return newShardProps(Collections.<String,String>emptyMap());
     }
 
-    private Props newShardProps(EntityOwnerSelectionStrategyConfig strategyConfig) {
-        return newShardProps(newShardId(LOCAL_MEMBER_NAME), Collections.<String,String>emptyMap(),
-                LOCAL_MEMBER_NAME, strategyConfig);
-    }
-
     private Props newShardProps(EntityOwnerSelectionStrategyConfig strategyConfig, Map<String, String> peers) {
         return newShardProps(newShardId(LOCAL_MEMBER_NAME), peers, LOCAL_MEMBER_NAME, strategyConfig);
     }
 
-
-    private Props newShardProps(Map<String,String> peers) {
+    private Props newShardProps(Map<String, String> peers) {
         return newShardProps(newShardId(LOCAL_MEMBER_NAME), peers, LOCAL_MEMBER_NAME, EntityOwnerSelectionStrategyConfig.newBuilder().build());
     }
 
@@ -823,37 +763,37 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
                                 EntityOwnerSelectionStrategyConfig config) {
         return EntityOwnershipShard.newBuilder().id(shardId).peerAddresses(peers).
                 datastoreContext(dataStoreContextBuilder.build()).schemaContext(SCHEMA_CONTEXT).
-                localMemberName(memberName).ownerSelectionStrategyConfig(config).props().withDispatcher(Dispatchers.DefaultDispatcherId());
+                localMemberName(MemberName.forName(memberName)).ownerSelectionStrategyConfig(config).props()
+                .withDispatcher(Dispatchers.DefaultDispatcherId());
     }
 
     private static ShardIdentifier newShardId(String memberName) {
-        return ShardIdentifier.builder().memberName(memberName).shardName("entity-ownership").
-                type("operational" + NEXT_SHARD_NUM.getAndIncrement()).build();
+        return ShardIdentifier.create("entity-ownership", MemberName.forName(memberName),
+            "operational" + NEXT_SHARD_NUM.getAndIncrement());
     }
 
-    public static class TestEntityOwnershipShard extends EntityOwnershipShard {
+    private static class TestEntityOwnershipShard extends EntityOwnershipShard {
 
         TestEntityOwnershipShard(ShardIdentifier name, Map<String, String> peerAddresses,
                 DatastoreContext datastoreContext) {
             super(newBuilder().id(name).peerAddresses(peerAddresses).datastoreContext(datastoreContext).
-                    schemaContext(SCHEMA_CONTEXT).localMemberName(LOCAL_MEMBER_NAME));
+                    schemaContext(SCHEMA_CONTEXT).localMemberName(name.getMemberName()));
         }
 
         @Override
-        public void onReceiveCommand(Object message) throws Exception {
+        public void handleCommand(Object message) {
             if(!(message instanceof ElectionTimeout)) {
-                super.onReceiveCommand(message);
+                super.handleCommand(message);
             }
         }
-
-
     }
 
-    public static class MockFollower extends UntypedActor {
+    private static class MockFollower extends UntypedActor {
         volatile boolean grantVote;
         volatile boolean dropAppendEntries;
         private final String myId;
 
+        @SuppressWarnings("unused")
         public MockFollower(String myId) {
             this(myId, true);
         }
@@ -903,7 +843,7 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
                 ImmutableMap.of(peerId.toString(), peer.path().toString())));
         ShardTestKit.waitUntilLeader(shard);
 
-        Entity entity = new Entity(ENTITY_TYPE, ENTITY_ID1);
+        DOMEntity entity = new DOMEntity(ENTITY_TYPE, ENTITY_ID1);
         ShardDataTree shardDataTree = shard.underlyingActor().getDataStore();
 
         // Add a remote candidate
@@ -946,7 +886,7 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
                 ImmutableMap.of(follower1Id.toString(), follower2.path().toString(), follower2Id.toString(), follower2.path().toString())));
         ShardTestKit.waitUntilLeader(shard);
 
-        Entity entity = new Entity(ENTITY_TYPE, ENTITY_ID1);
+        DOMEntity entity = new DOMEntity(ENTITY_TYPE, ENTITY_ID1);
         ShardDataTree shardDataTree = shard.underlyingActor().getDataStore();
 
         // Add a remote candidate
@@ -966,7 +906,7 @@ public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
         verifyOwner(shard, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
     }
 
-    public static class MockLeader extends UntypedActor {
+    private static class MockLeader extends UntypedActor {
         volatile CountDownLatch modificationsReceived = new CountDownLatch(1);
         List<Modification> receivedModifications = new ArrayList<>();
         volatile boolean sendReply = true;