Remove sal.core.api.model
[controller.git] / opendaylight / md-sal / samples / clustering-test-app / provider / src / main / java / org / opendaylight / controller / clustering / it / provider / MdsalLowLevelTestProvider.java
index 81f0220b1a81560a59c14350d60e91609ea13ef5..9075a56c5e5f41719331ce884702d7b71181677d 100644 (file)
  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
  * and is available at http://www.eclipse.org/legal/epl-v10.html
  */
-
 package org.opendaylight.controller.clustering.it.provider;
 
+import static akka.actor.ActorRef.noSender;
+
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.actor.PoisonPill;
+import akka.actor.Props;
+import akka.dispatch.OnComplete;
+import akka.pattern.Patterns;
+import com.google.common.base.Optional;
+import com.google.common.base.Strings;
 import com.google.common.util.concurrent.Futures;
-import java.util.concurrent.Future;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.SettableFuture;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import org.opendaylight.controller.cluster.ActorSystemProvider;
+import org.opendaylight.controller.cluster.databroker.actors.dds.ClientLocalHistory;
+import org.opendaylight.controller.cluster.databroker.actors.dds.ClientTransaction;
+import org.opendaylight.controller.cluster.databroker.actors.dds.DataStoreClient;
+import org.opendaylight.controller.cluster.databroker.actors.dds.SimpleDataStoreClientActor;
+import org.opendaylight.controller.cluster.datastore.DistributedDataStoreInterface;
+import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
+import org.opendaylight.controller.cluster.datastore.utils.ClusterUtils;
+import org.opendaylight.controller.cluster.raft.client.messages.Shutdown;
+import org.opendaylight.controller.cluster.sharding.DistributedShardFactory;
+import org.opendaylight.controller.clustering.it.provider.impl.FlappingSingletonService;
 import org.opendaylight.controller.clustering.it.provider.impl.GetConstantService;
+import org.opendaylight.controller.clustering.it.provider.impl.IdIntsDOMDataTreeLIstener;
+import org.opendaylight.controller.clustering.it.provider.impl.IdIntsListener;
+import org.opendaylight.controller.clustering.it.provider.impl.PrefixLeaderHandler;
+import org.opendaylight.controller.clustering.it.provider.impl.PrefixShardHandler;
+import org.opendaylight.controller.clustering.it.provider.impl.ProduceTransactionsHandler;
+import org.opendaylight.controller.clustering.it.provider.impl.PublishNotificationsTask;
+import org.opendaylight.controller.clustering.it.provider.impl.RoutedGetConstantService;
+import org.opendaylight.controller.clustering.it.provider.impl.SingletonGetConstantService;
+import org.opendaylight.controller.clustering.it.provider.impl.WriteTransactionsHandler;
+import org.opendaylight.controller.clustering.it.provider.impl.YnlListener;
+import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
+import org.opendaylight.controller.md.sal.binding.api.NotificationService;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataReadOnlyTransaction;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeService;
 import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementationRegistration;
 import org.opendaylight.controller.md.sal.dom.api.DOMRpcProviderService;
 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
+import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeLoopException;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeService;
+import org.opendaylight.mdsal.dom.api.DOMSchemaService;
 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
+import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceRegistration;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.AddShardReplicaInput;
-import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.BecomeModuleLeaderInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.AddShardReplicaOutput;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.BecomePrefixLeaderInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.BecomePrefixLeaderOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.CheckPublishNotificationsInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.CheckPublishNotificationsOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.CheckPublishNotificationsOutputBuilder;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.CreatePrefixShardInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.CreatePrefixShardOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.DeconfigureIdIntsShardInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.DeconfigureIdIntsShardOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.IsClientAbortedInput;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.IsClientAbortedOutput;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.OdlMdsalLowlevelControlService;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.ProduceTransactionsInput;
-import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.PublishNotificationsInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.ProduceTransactionsOutput;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RegisterBoundConstantInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RegisterBoundConstantOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RegisterBoundConstantOutputBuilder;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RegisterConstantInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RegisterConstantOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RegisterConstantOutputBuilder;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RegisterDefaultConstantInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RegisterDefaultConstantOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RegisterFlappingSingletonInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RegisterFlappingSingletonOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RegisterFlappingSingletonOutputBuilder;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RegisterSingletonConstantInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RegisterSingletonConstantOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RegisterSingletonConstantOutputBuilder;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RemovePrefixShardInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RemovePrefixShardOutput;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RemoveShardReplicaInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RemoveShardReplicaOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.ShutdownPrefixShardReplicaInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.ShutdownPrefixShardReplicaOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.ShutdownPrefixShardReplicaOutputBuilder;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.ShutdownShardReplicaInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.ShutdownShardReplicaOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.ShutdownShardReplicaOutputBuilder;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.StartPublishNotificationsInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.StartPublishNotificationsOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.StartPublishNotificationsOutputBuilder;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.SubscribeDdtlInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.SubscribeDdtlOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.SubscribeDdtlOutputBuilder;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.SubscribeDtclInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.SubscribeDtclOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.SubscribeDtclOutputBuilder;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.SubscribeYnlInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.SubscribeYnlOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.SubscribeYnlOutputBuilder;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnregisterBoundConstantInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnregisterBoundConstantOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnregisterBoundConstantOutputBuilder;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnregisterConstantInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnregisterConstantOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnregisterConstantOutputBuilder;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnregisterDefaultConstantInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnregisterDefaultConstantOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnregisterFlappingSingletonInput;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnregisterFlappingSingletonOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnregisterFlappingSingletonOutputBuilder;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnregisterSingletonConstantInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnregisterSingletonConstantOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnregisterSingletonConstantOutputBuilder;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnsubscribeDdtlInput;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnsubscribeDdtlOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnsubscribeDdtlOutputBuilder;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnsubscribeDtclInput;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnsubscribeDtclOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnsubscribeDtclOutputBuilder;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnsubscribeYnlInput;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.UnsubscribeYnlOutput;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.WriteTransactionsInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.WriteTransactionsOutput;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.opendaylight.yangtools.yang.common.RpcError;
 import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
 import org.opendaylight.yangtools.yang.common.RpcResult;
 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import scala.concurrent.duration.FiniteDuration;
 
 public class MdsalLowLevelTestProvider implements OdlMdsalLowlevelControlService {
 
     private static final Logger LOG = LoggerFactory.getLogger(MdsalLowLevelTestProvider.class);
+    private static final org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType CONTROLLER_CONFIG =
+            org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType.CONFIGURATION;
 
     private final RpcProviderRegistry rpcRegistry;
     private final BindingAwareBroker.RpcRegistration<OdlMdsalLowlevelControlService> registration;
+    private final DistributedShardFactory distributedShardFactory;
+    private final DistributedDataStoreInterface configDataStore;
+    private final DOMDataTreeService domDataTreeService;
+    private final BindingNormalizedNodeSerializer bindingNormalizedNodeSerializer;
+    private final DOMDataBroker domDataBroker;
+    private final NotificationPublishService notificationPublishService;
+    private final NotificationService notificationService;
+    private final DOMSchemaService schemaService;
     private final ClusterSingletonServiceProvider singletonService;
     private final DOMRpcProviderService domRpcService;
+    private final PrefixLeaderHandler prefixLeaderHandler;
+    private final PrefixShardHandler prefixShardHandler;
+    private final DOMDataTreeChangeService domDataTreeChangeService;
+    private final ActorSystem actorSystem;
+
+    private final Map<InstanceIdentifier<?>, DOMRpcImplementationRegistration<RoutedGetConstantService>>
+            routedRegistrations = new HashMap<>();
+
+    private final Map<String, ListenerRegistration<YnlListener>> ynlRegistrations = new HashMap<>();
 
     private DOMRpcImplementationRegistration<GetConstantService> globalGetConstantRegistration = null;
+    private ClusterSingletonServiceRegistration getSingletonConstantRegistration;
+    private FlappingSingletonService flappingSingletonService;
+    private ListenerRegistration<DOMDataTreeChangeListener> dtclReg;
+    private IdIntsListener idIntsListener;
+    private final Map<String, PublishNotificationsTask> publishNotificationsTasks = new HashMap<>();
+    private ListenerRegistration<IdIntsDOMDataTreeLIstener> ddtlReg;
+    private IdIntsDOMDataTreeLIstener idIntsDdtl;
+
+
 
     public MdsalLowLevelTestProvider(final RpcProviderRegistry rpcRegistry,
                                      final DOMRpcProviderService domRpcService,
-                                     final ClusterSingletonServiceProvider singletonService) {
+                                     final ClusterSingletonServiceProvider singletonService,
+                                     final DOMSchemaService schemaService,
+                                     final BindingNormalizedNodeSerializer bindingNormalizedNodeSerializer,
+                                     final NotificationPublishService notificationPublishService,
+                                     final NotificationService notificationService,
+                                     final DOMDataBroker domDataBroker,
+                                     final DOMDataTreeService domDataTreeService,
+                                     final DistributedShardFactory distributedShardFactory,
+                                     final DistributedDataStoreInterface configDataStore,
+                                     final ActorSystemProvider actorSystemProvider) {
         this.rpcRegistry = rpcRegistry;
         this.domRpcService = domRpcService;
         this.singletonService = singletonService;
+        this.schemaService = schemaService;
+        this.bindingNormalizedNodeSerializer = bindingNormalizedNodeSerializer;
+        this.notificationPublishService = notificationPublishService;
+        this.notificationService = notificationService;
+        this.domDataBroker = domDataBroker;
+        this.domDataTreeService = domDataTreeService;
+        this.distributedShardFactory = distributedShardFactory;
+        this.configDataStore = configDataStore;
+        this.actorSystem = actorSystemProvider.getActorSystem();
+
+        this.prefixLeaderHandler = new PrefixLeaderHandler(domDataTreeService, bindingNormalizedNodeSerializer);
+
+        domDataTreeChangeService =
+                (DOMDataTreeChangeService) domDataBroker.getSupportedExtensions().get(DOMDataTreeChangeService.class);
 
         registration = rpcRegistry.addRpcImplementation(OdlMdsalLowlevelControlService.class, this);
+
+        prefixShardHandler = new PrefixShardHandler(distributedShardFactory, domDataTreeService,
+                bindingNormalizedNodeSerializer);
     }
 
     @Override
-    public Future<RpcResult<Void>> unregisterSingletonConstant() {
-        return null;
+    @SuppressWarnings("checkstyle:IllegalCatch")
+    public ListenableFuture<RpcResult<UnregisterSingletonConstantOutput>> unregisterSingletonConstant(
+            final UnregisterSingletonConstantInput input) {
+        LOG.debug("unregister-singleton-constant");
+
+        if (getSingletonConstantRegistration == null) {
+            LOG.debug("No get-singleton-constant registration present.");
+            final RpcError rpcError = RpcResultBuilder.newError(ErrorType.APPLICATION, "missing-registration",
+                    "No get-singleton-constant rpc registration present.");
+            final RpcResult<UnregisterSingletonConstantOutput> result =
+                    RpcResultBuilder.<UnregisterSingletonConstantOutput>failed().withRpcError(rpcError).build();
+            return Futures.immediateFuture(result);
+        }
+
+        try {
+            getSingletonConstantRegistration.close();
+            getSingletonConstantRegistration = null;
+
+            return Futures.immediateFuture(RpcResultBuilder.success(
+                new UnregisterSingletonConstantOutputBuilder().build()).build());
+        } catch (Exception e) {
+            LOG.debug("There was a problem closing the singleton constant service", e);
+            final RpcError rpcError = RpcResultBuilder.newError(ErrorType.APPLICATION, "error-closing",
+                    "There was a problem closing get-singleton-constant");
+            final RpcResult<UnregisterSingletonConstantOutput> result =
+                    RpcResultBuilder.<UnregisterSingletonConstantOutput>failed().withRpcError(rpcError).build();
+            return Futures.immediateFuture(result);
+        }
     }
 
     @Override
-    public Future<RpcResult<Void>> publishNotifications(PublishNotificationsInput input) {
-        return null;
+    public ListenableFuture<RpcResult<StartPublishNotificationsOutput>> startPublishNotifications(
+            final StartPublishNotificationsInput input) {
+        LOG.debug("publish-notifications, input: {}", input);
+
+        final PublishNotificationsTask task = new PublishNotificationsTask(notificationPublishService, input.getId(),
+                input.getSeconds(), input.getNotificationsPerSecond());
+
+        publishNotificationsTasks.put(input.getId(), task);
+
+        task.start();
+
+        return Futures.immediateFuture(RpcResultBuilder.success(new StartPublishNotificationsOutputBuilder().build())
+            .build());
     }
 
     @Override
-    public Future<RpcResult<Void>> subscribeDtcl() {
-        return null;
+    public ListenableFuture<RpcResult<SubscribeDtclOutput>> subscribeDtcl(final SubscribeDtclInput input) {
+
+        if (dtclReg != null) {
+            final RpcError error = RpcResultBuilder.newError(ErrorType.RPC, "Registration present.",
+                    "There is already dataTreeChangeListener registered on id-ints list.");
+            return Futures.immediateFuture(RpcResultBuilder.<SubscribeDtclOutput>failed().withRpcError(error).build());
+        }
+
+        idIntsListener = new IdIntsListener();
+
+        dtclReg = domDataTreeChangeService
+                .registerDataTreeChangeListener(
+                        new org.opendaylight.controller.md.sal.dom.api.DOMDataTreeIdentifier(
+                                CONTROLLER_CONFIG, WriteTransactionsHandler.ID_INT_YID),
+                        idIntsListener);
+
+        return Futures.immediateFuture(RpcResultBuilder.success(new SubscribeDtclOutputBuilder().build()).build());
     }
 
     @Override
-    public Future<RpcResult<Void>> writeTransactions(WriteTransactionsInput input) {
-        return null;
+    public ListenableFuture<RpcResult<WriteTransactionsOutput>> writeTransactions(final WriteTransactionsInput input) {
+        LOG.debug("write-transactions, input: {}", input);
+        return WriteTransactionsHandler.start(domDataBroker, input);
     }
 
     @Override
-    public Future<RpcResult<IsClientAbortedOutput>> isClientAborted() {
+    public ListenableFuture<RpcResult<IsClientAbortedOutput>> isClientAborted(final IsClientAbortedInput input) {
         return null;
     }
 
     @Override
-    public Future<RpcResult<Void>> becomeModuleLeader(BecomeModuleLeaderInput input) {
+    public ListenableFuture<RpcResult<RemoveShardReplicaOutput>> removeShardReplica(
+            final RemoveShardReplicaInput input) {
         return null;
     }
 
     @Override
-    public Future<RpcResult<Void>> removeShardReplica(RemoveShardReplicaInput input) {
-        return null;
+    public ListenableFuture<RpcResult<SubscribeYnlOutput>> subscribeYnl(final SubscribeYnlInput input) {
+
+        LOG.debug("subscribe-ynl, input: {}", input);
+
+        if (ynlRegistrations.containsKey(input.getId())) {
+            final RpcError error = RpcResultBuilder.newError(ErrorType.RPC, "Registration present.",
+                    "There is already ynl listener registered for this id: " + input.getId());
+            return Futures.immediateFuture(RpcResultBuilder.<SubscribeYnlOutput>failed().withRpcError(error).build());
+        }
+
+        ynlRegistrations.put(input.getId(),
+                notificationService.registerNotificationListener(new YnlListener(input.getId())));
+
+        return Futures.immediateFuture(RpcResultBuilder.success(new SubscribeYnlOutputBuilder().build()).build());
     }
 
     @Override
-    public Future<RpcResult<Void>> subscribeYnl(SubscribeYnlInput input) {
-        return null;
+    public ListenableFuture<RpcResult<RemovePrefixShardOutput>> removePrefixShard(final RemovePrefixShardInput input) {
+        LOG.debug("remove-prefix-shard, input: {}", input);
+
+        return prefixShardHandler.onRemovePrefixShard(input);
     }
 
     @Override
-    public Future<RpcResult<Void>> becomePrefixLeader(BecomePrefixLeaderInput input) {
-        return null;
+    public ListenableFuture<RpcResult<BecomePrefixLeaderOutput>> becomePrefixLeader(
+            final BecomePrefixLeaderInput input) {
+        LOG.debug("become-prefix-leader, input: {}", input);
+
+        return prefixLeaderHandler.makeLeaderLocal(input);
     }
 
     @Override
-    public Future<RpcResult<Void>> unregisterBoundConstant(UnregisterBoundConstantInput input) {
-        return null;
+    public ListenableFuture<RpcResult<UnregisterBoundConstantOutput>> unregisterBoundConstant(
+            final UnregisterBoundConstantInput input) {
+        LOG.debug("unregister-bound-constant, {}", input);
+
+        final DOMRpcImplementationRegistration<RoutedGetConstantService> rpcRegistration =
+                routedRegistrations.remove(input.getContext());
+
+        if (rpcRegistration == null) {
+            LOG.debug("No get-contexted-constant registration for context: {}", input.getContext());
+            final RpcError rpcError = RpcResultBuilder.newError(ErrorType.APPLICATION, "missing-registration",
+                    "No get-constant rpc registration present.");
+            final RpcResult<UnregisterBoundConstantOutput> result =
+                    RpcResultBuilder.<UnregisterBoundConstantOutput>failed().withRpcError(rpcError).build();
+            return Futures.immediateFuture(result);
+        }
+
+        rpcRegistration.close();
+        return Futures.immediateFuture(RpcResultBuilder.success(new UnregisterBoundConstantOutputBuilder().build())
+            .build());
     }
 
     @Override
-    public Future<RpcResult<Void>> registerSingletonConstant(RegisterSingletonConstantInput input) {
-        return null;
+    public ListenableFuture<RpcResult<RegisterSingletonConstantOutput>> registerSingletonConstant(
+            final RegisterSingletonConstantInput input) {
+
+        LOG.debug("Received register-singleton-constant rpc, input: {}", input);
+
+        if (input.getConstant() == null) {
+            final RpcError error = RpcResultBuilder.newError(
+                    ErrorType.RPC, "Invalid input.", "Constant value is null");
+            return Futures.immediateFuture(RpcResultBuilder.<RegisterSingletonConstantOutput>failed()
+                .withRpcError(error).build());
+        }
+
+        getSingletonConstantRegistration =
+                SingletonGetConstantService.registerNew(singletonService, domRpcService, input.getConstant());
+
+        return Futures.immediateFuture(RpcResultBuilder.success(new RegisterSingletonConstantOutputBuilder().build())
+            .build());
     }
 
     @Override
-    public Future<RpcResult<Void>> registerDefaultConstant(RegisterDefaultConstantInput input) {
+    public ListenableFuture<RpcResult<RegisterDefaultConstantOutput>> registerDefaultConstant(
+            final RegisterDefaultConstantInput input) {
         return null;
     }
 
     @Override
-    public Future<RpcResult<Void>> unregisterConstant() {
+    public ListenableFuture<RpcResult<UnregisterConstantOutput>> unregisterConstant(
+            final UnregisterConstantInput input) {
 
         if (globalGetConstantRegistration == null) {
-            final RpcError rpcError = RpcResultBuilder
-                    .newError(ErrorType.APPLICATION, "missing-registration", "No get-constant rpc registration present.");
-            final RpcResult<Void> result = RpcResultBuilder.<Void>failed().withRpcError(rpcError).build();
-            return Futures.immediateFuture(result);
+            final RpcError rpcError = RpcResultBuilder.newError(ErrorType.APPLICATION, "missing-registration",
+                    "No get-constant rpc registration present.");
+            return Futures.immediateFuture(RpcResultBuilder.<UnregisterConstantOutput>failed().withRpcError(rpcError)
+                .build());
         }
 
         globalGetConstantRegistration.close();
         globalGetConstantRegistration = null;
 
-        return Futures.immediateFuture(RpcResultBuilder.<Void>success().build());
+        return Futures.immediateFuture(RpcResultBuilder.success(new UnregisterConstantOutputBuilder().build()).build());
     }
 
     @Override
-    public Future<RpcResult<UnregisterFlappingSingletonOutput>> unregisterFlappingSingleton() {
-        return null;
+    public ListenableFuture<RpcResult<UnregisterFlappingSingletonOutput>> unregisterFlappingSingleton(
+            final UnregisterFlappingSingletonInput input) {
+        LOG.debug("unregister-flapping-singleton received.");
+
+        if (flappingSingletonService == null) {
+            final RpcError rpcError = RpcResultBuilder.newError(ErrorType.APPLICATION, "missing-registration",
+                    "No flapping-singleton registration present.");
+            final RpcResult<UnregisterFlappingSingletonOutput> result =
+                    RpcResultBuilder.<UnregisterFlappingSingletonOutput>failed().withRpcError(rpcError).build();
+            return Futures.immediateFuture(result);
+        }
+
+        final long flapCount = flappingSingletonService.setInactive();
+        flappingSingletonService = null;
+
+        final UnregisterFlappingSingletonOutput output =
+                new UnregisterFlappingSingletonOutputBuilder().setFlapCount(flapCount).build();
+
+        return Futures.immediateFuture(RpcResultBuilder.success(output).build());
     }
 
     @Override
-    public Future<RpcResult<Void>> addShardReplica(AddShardReplicaInput input) {
+    public ListenableFuture<RpcResult<AddShardReplicaOutput>> addShardReplica(final AddShardReplicaInput input) {
         return null;
     }
 
     @Override
-    public Future<RpcResult<Void>> subscribeDdtl() {
-        return null;
+    public ListenableFuture<RpcResult<SubscribeDdtlOutput>> subscribeDdtl(final SubscribeDdtlInput input) {
+
+        if (ddtlReg != null) {
+            final RpcError error = RpcResultBuilder.newError(ErrorType.RPC, "Registration present.",
+                    "There is already dataTreeChangeListener registered on id-ints list.");
+            return Futures.immediateFuture(RpcResultBuilder.<SubscribeDdtlOutput>failed().withRpcError(error).build());
+        }
+
+        idIntsDdtl = new IdIntsDOMDataTreeLIstener();
+
+        try {
+            ddtlReg = domDataTreeService.registerListener(idIntsDdtl,
+                    Collections.singleton(new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION,
+                            ProduceTransactionsHandler.ID_INT_YID)),
+                    true, Collections.emptyList());
+        } catch (DOMDataTreeLoopException e) {
+            LOG.error("Failed to register DOMDataTreeListener.", e);
+        }
+
+        return Futures.immediateFuture(RpcResultBuilder.success(new SubscribeDdtlOutputBuilder().build()).build());
     }
 
     @Override
-    public Future<RpcResult<Void>> registerBoundConstant(RegisterBoundConstantInput input) {
-        return null;
+    public ListenableFuture<RpcResult<RegisterBoundConstantOutput>> registerBoundConstant(
+            final RegisterBoundConstantInput input) {
+        LOG.debug("register-bound-constant: {}", input);
+
+        if (input.getContext() == null) {
+            final RpcError error = RpcResultBuilder.newError(
+                    ErrorType.RPC, "Invalid input.", "Context value is null");
+            return Futures.immediateFuture(RpcResultBuilder.<RegisterBoundConstantOutput>failed().withRpcError(error)
+                .build());
+        }
+
+        if (input.getConstant() == null) {
+            final RpcError error = RpcResultBuilder.newError(
+                    ErrorType.RPC, "Invalid input.", "Constant value is null");
+            return Futures.immediateFuture(RpcResultBuilder.<RegisterBoundConstantOutput>failed().withRpcError(error)
+                .build());
+        }
+
+        if (routedRegistrations.containsKey(input.getContext())) {
+            final RpcError error = RpcResultBuilder.newError(ErrorType.RPC, "Registration present.",
+                    "There is already a rpc registered for context: " + input.getContext());
+            return Futures.immediateFuture(RpcResultBuilder.<RegisterBoundConstantOutput>failed().withRpcError(error)
+                .build());
+        }
+
+        final DOMRpcImplementationRegistration<RoutedGetConstantService> rpcRegistration =
+                RoutedGetConstantService.registerNew(bindingNormalizedNodeSerializer, domRpcService,
+                        input.getConstant(), input.getContext());
+
+        routedRegistrations.put(input.getContext(), rpcRegistration);
+        return Futures.immediateFuture(RpcResultBuilder.success(new RegisterBoundConstantOutputBuilder().build())
+            .build());
     }
 
     @Override
-    public Future<RpcResult<Void>> registerFlappingSingleton() {
-        return null;
+    public ListenableFuture<RpcResult<RegisterFlappingSingletonOutput>> registerFlappingSingleton(
+            final RegisterFlappingSingletonInput input) {
+        LOG.debug("Received register-flapping-singleton.");
+
+        if (flappingSingletonService != null) {
+            final RpcError error = RpcResultBuilder.newError(
+                    ErrorType.RPC, "Registration present.", "flapping-singleton already registered");
+            return Futures.immediateFuture(RpcResultBuilder.<RegisterFlappingSingletonOutput>failed()
+                .withRpcError(error).build());
+        }
+
+        flappingSingletonService = new FlappingSingletonService(singletonService);
+
+        return Futures.immediateFuture(RpcResultBuilder.success(new RegisterFlappingSingletonOutputBuilder().build())
+            .build());
     }
 
     @Override
-    public Future<RpcResult<UnsubscribeDtclOutput>> unsubscribeDtcl() {
-        return null;
+    public ListenableFuture<RpcResult<UnsubscribeDtclOutput>> unsubscribeDtcl(final UnsubscribeDtclInput input) {
+        LOG.debug("Received unsubscribe-dtcl");
+
+        if (idIntsListener == null || dtclReg == null) {
+            final RpcError error = RpcResultBuilder.newError(
+                    ErrorType.RPC, "Dtcl missing.", "No DataTreeChangeListener registered.");
+            return Futures.immediateFuture(RpcResultBuilder.<UnsubscribeDtclOutput>failed()
+                    .withRpcError(error).build());
+        }
+
+        try {
+            idIntsListener.tryFinishProcessing().get(120, TimeUnit.SECONDS);
+        } catch (InterruptedException | ExecutionException | TimeoutException e) {
+            final RpcError error = RpcResultBuilder.newError(ErrorType.RPC, "resource-denied-transport",
+                    "Unable to finish notification processing in 120 seconds.", "clustering-it", "clustering-it", e);
+            return Futures.immediateFuture(RpcResultBuilder.<UnsubscribeDtclOutput>failed()
+                    .withRpcError(error).build());
+        }
+
+        dtclReg.close();
+        dtclReg = null;
+
+        if (!idIntsListener.hasTriggered()) {
+            final RpcError error = RpcResultBuilder.newError(
+                    ErrorType.APPLICATION, "No notification received.", "id-ints listener has not received"
+                            + "any notifications.");
+            return Futures.immediateFuture(RpcResultBuilder.<UnsubscribeDtclOutput>failed()
+                    .withRpcError(error).build());
+        }
+
+        final DOMDataReadOnlyTransaction rTx = domDataBroker.newReadOnlyTransaction();
+        try {
+            final Optional<NormalizedNode<?, ?>> readResult =
+                    rTx.read(CONTROLLER_CONFIG, WriteTransactionsHandler.ID_INT_YID).get();
+
+            if (!readResult.isPresent()) {
+                final RpcError error = RpcResultBuilder.newError(
+                        ErrorType.APPLICATION, "Final read empty.", "No data read from id-ints list.");
+                return Futures.immediateFuture(RpcResultBuilder.<UnsubscribeDtclOutput>failed()
+                        .withRpcError(error).build());
+            }
+
+            return Futures.immediateFuture(
+                    RpcResultBuilder.success(new UnsubscribeDtclOutputBuilder()
+                            .setCopyMatches(idIntsListener.checkEqual(readResult.get()))).build());
+
+        } catch (final InterruptedException | ExecutionException e) {
+            final RpcError error = RpcResultBuilder.newError(
+                    ErrorType.APPLICATION, "Read failed.", "Final read from id-ints failed.");
+            return Futures.immediateFuture(RpcResultBuilder.<UnsubscribeDtclOutput>failed()
+                    .withRpcError(error).build());
+
+        }
     }
 
     @Override
-    public Future<RpcResult<Void>> deconfigureIdIntsShard() {
-        return null;
+    public ListenableFuture<RpcResult<CreatePrefixShardOutput>> createPrefixShard(final CreatePrefixShardInput input) {
+        LOG.debug("create-prefix-shard, input: {}", input);
+
+        return prefixShardHandler.onCreatePrefixShard(input);
     }
 
     @Override
-    public Future<RpcResult<UnsubscribeYnlOutput>> unsubscribeYnl(UnsubscribeYnlInput input) {
+    public ListenableFuture<RpcResult<DeconfigureIdIntsShardOutput>> deconfigureIdIntsShard(
+            final DeconfigureIdIntsShardInput input) {
         return null;
     }
 
     @Override
-    public Future<RpcResult<Void>> produceTransactions(ProduceTransactionsInput input) {
-        return null;
+    public ListenableFuture<RpcResult<UnsubscribeYnlOutput>> unsubscribeYnl(final UnsubscribeYnlInput input) {
+        LOG.debug("Received unsubscribe-ynl, input: {}", input);
+
+        if (!ynlRegistrations.containsKey(input.getId())) {
+            final RpcError rpcError = RpcResultBuilder.newError(ErrorType.APPLICATION, "missing-registration",
+                    "No ynl listener with this id registered.");
+            final RpcResult<UnsubscribeYnlOutput> result =
+                    RpcResultBuilder.<UnsubscribeYnlOutput>failed().withRpcError(rpcError).build();
+            return Futures.immediateFuture(result);
+        }
+
+        final ListenerRegistration<YnlListener> reg = ynlRegistrations.remove(input.getId());
+        final UnsubscribeYnlOutput output = reg.getInstance().getOutput();
+
+        reg.close();
+
+        return Futures.immediateFuture(RpcResultBuilder.<UnsubscribeYnlOutput>success().withResult(output).build());
+    }
+
+    @Override
+    public ListenableFuture<RpcResult<CheckPublishNotificationsOutput>> checkPublishNotifications(
+            final CheckPublishNotificationsInput input) {
+
+        final PublishNotificationsTask task = publishNotificationsTasks.get(input.getId());
+
+        if (task == null) {
+            return Futures.immediateFuture(RpcResultBuilder.success(
+                    new CheckPublishNotificationsOutputBuilder().setActive(false)).build());
+        }
+
+        final CheckPublishNotificationsOutputBuilder checkPublishNotificationsOutputBuilder =
+                new CheckPublishNotificationsOutputBuilder().setActive(!task.isFinished());
+
+        if (task.getLastError() != null) {
+            LOG.error("Last error for {}", task, task.getLastError());
+            checkPublishNotificationsOutputBuilder.setLastError(task.getLastError().toString());
+        }
+
+        final CheckPublishNotificationsOutput output =
+                checkPublishNotificationsOutputBuilder.setPublishCount(task.getCurrentNotif()).build();
+
+        return Futures.immediateFuture(RpcResultBuilder.success(output).build());
+    }
+
+    @Override
+    public ListenableFuture<RpcResult<ProduceTransactionsOutput>> produceTransactions(
+            final ProduceTransactionsInput input) {
+        LOG.debug("producer-transactions, input: {}", input);
+        return ProduceTransactionsHandler.start(domDataTreeService, input);
+    }
+
+    @Override
+    public ListenableFuture<RpcResult<ShutdownShardReplicaOutput>> shutdownShardReplica(
+            final ShutdownShardReplicaInput input) {
+        LOG.debug("Received shutdown-shard-replica rpc, input: {}", input);
+
+        final String shardName = input.getShardName();
+        if (Strings.isNullOrEmpty(shardName)) {
+            final RpcError rpcError = RpcResultBuilder.newError(ErrorType.APPLICATION, "bad-element",
+                    "A valid shard name must be specified");
+            return Futures.immediateFuture(RpcResultBuilder.<ShutdownShardReplicaOutput>failed().withRpcError(rpcError)
+                .build());
+        }
+
+        return shutdownShardGracefully(shardName, new ShutdownShardReplicaOutputBuilder().build());
     }
 
     @Override
-    public Future<RpcResult<Void>> registerConstant(final RegisterConstantInput input) {
+    public ListenableFuture<RpcResult<ShutdownPrefixShardReplicaOutput>> shutdownPrefixShardReplica(
+            final ShutdownPrefixShardReplicaInput input) {
+        LOG.debug("Received shutdown-prefix-shard-replica rpc, input: {}", input);
+
+        final InstanceIdentifier<?> shardPrefix = input.getPrefix();
+
+        if (shardPrefix == null) {
+            final RpcError rpcError = RpcResultBuilder.newError(ErrorType.APPLICATION, "bad-element",
+                    "A valid shard prefix must be specified");
+            return Futures.immediateFuture(RpcResultBuilder.<ShutdownPrefixShardReplicaOutput>failed()
+                .withRpcError(rpcError).build());
+        }
+
+        final YangInstanceIdentifier shardPath = bindingNormalizedNodeSerializer.toYangInstanceIdentifier(shardPrefix);
+        final String cleanPrefixShardName = ClusterUtils.getCleanShardName(shardPath);
+
+        return shutdownShardGracefully(cleanPrefixShardName, new ShutdownPrefixShardReplicaOutputBuilder().build());
+    }
+
+    private <T> SettableFuture<RpcResult<T>> shutdownShardGracefully(final String shardName, final T success) {
+        final SettableFuture<RpcResult<T>> rpcResult = SettableFuture.create();
+        final ActorContext context = configDataStore.getActorContext();
+
+        long timeoutInMS = Math.max(context.getDatastoreContext().getShardRaftConfig()
+                .getElectionTimeOutInterval().$times(3).toMillis(), 10000);
+        final FiniteDuration duration = FiniteDuration.apply(timeoutInMS, TimeUnit.MILLISECONDS);
+        final scala.concurrent.Promise<Boolean> shutdownShardAsk = akka.dispatch.Futures.promise();
+
+        context.findLocalShardAsync(shardName).onComplete(new OnComplete<ActorRef>() {
+            @Override
+            public void onComplete(final Throwable throwable, final ActorRef actorRef) throws Throwable {
+                if (throwable != null) {
+                    shutdownShardAsk.failure(throwable);
+                } else {
+                    shutdownShardAsk.completeWith(Patterns.gracefulStop(actorRef, duration, Shutdown.INSTANCE));
+                }
+            }
+        }, context.getClientDispatcher());
+
+        shutdownShardAsk.future().onComplete(new OnComplete<Boolean>() {
+            @Override
+            public void onComplete(final Throwable throwable, final Boolean gracefulStopResult) throws Throwable {
+                if (throwable != null) {
+                    final RpcResult<T> failedResult = RpcResultBuilder.<T>failed()
+                            .withError(ErrorType.APPLICATION, "Failed to gracefully shutdown shard", throwable).build();
+                    rpcResult.set(failedResult);
+                } else {
+                    // according to Patterns.gracefulStop API, we don't have to
+                    // check value of gracefulStopResult
+                    rpcResult.set(RpcResultBuilder.success(success).build());
+                }
+            }
+        }, context.getClientDispatcher());
+        return rpcResult;
+    }
+
+    @Override
+    public ListenableFuture<RpcResult<RegisterConstantOutput>> registerConstant(final RegisterConstantInput input) {
 
         LOG.debug("Received register-constant rpc, input: {}", input);
 
         if (input.getConstant() == null) {
             final RpcError error = RpcResultBuilder.newError(
                     ErrorType.RPC, "Invalid input.", "Constant value is null");
-            return Futures.immediateFuture(RpcResultBuilder.<Void>failed().withRpcError(error).build());
+            return Futures.immediateFuture(RpcResultBuilder.<RegisterConstantOutput>failed().withRpcError(error)
+                .build());
         }
 
         if (globalGetConstantRegistration != null) {
             final RpcError error = RpcResultBuilder.newError(ErrorType.RPC, "Registration present.",
                     "There is already a get-constant rpc registered.");
-            return Futures.immediateFuture(RpcResultBuilder.<Void>failed().withRpcError(error).build());
+            return Futures.immediateFuture(RpcResultBuilder.<RegisterConstantOutput>failed().withRpcError(error)
+                .build());
         }
 
         globalGetConstantRegistration = GetConstantService.registerNew(domRpcService, input.getConstant());
-        return Futures.immediateFuture(RpcResultBuilder.<Void>success().build());
+        return Futures.immediateFuture(RpcResultBuilder.success(new RegisterConstantOutputBuilder().build()).build());
     }
 
     @Override
-    public Future<RpcResult<Void>> unregisterDefaultConstant() {
+    public ListenableFuture<RpcResult<UnregisterDefaultConstantOutput>> unregisterDefaultConstant(
+            final UnregisterDefaultConstantInput input) {
         return null;
     }
 
     @Override
-    public Future<RpcResult<UnsubscribeDdtlOutput>> unsubscribeDdtl() {
-        return null;
+    @SuppressWarnings("checkstyle:IllegalCatch")
+    public ListenableFuture<RpcResult<UnsubscribeDdtlOutput>> unsubscribeDdtl(final UnsubscribeDdtlInput input) {
+        LOG.debug("Received unsubscribe-ddtl.");
+
+        if (idIntsDdtl == null || ddtlReg == null) {
+            final RpcError error = RpcResultBuilder.newError(
+                    ErrorType.RPC, "Ddtl missing.", "No DOMDataTreeListener registered.");
+            return Futures.immediateFuture(RpcResultBuilder.<UnsubscribeDdtlOutput>failed()
+                    .withRpcError(error).build());
+        }
+
+        try {
+            idIntsDdtl.tryFinishProcessing().get(120, TimeUnit.SECONDS);
+        } catch (InterruptedException | ExecutionException | TimeoutException e) {
+            final RpcError error = RpcResultBuilder.newError(ErrorType.RPC, "resource-denied-transport",
+                    "Unable to finish notification processing in 120 seconds.", "clustering-it", "clustering-it", e);
+            return Futures.immediateFuture(RpcResultBuilder.<UnsubscribeDdtlOutput>failed()
+                    .withRpcError(error).build());
+        }
+
+        ddtlReg.close();
+        ddtlReg = null;
+
+        if (!idIntsDdtl.hasTriggered()) {
+            final RpcError error = RpcResultBuilder.newError(
+                    ErrorType.APPLICATION, "No notification received.", "id-ints listener has not received"
+                            + "any notifications.");
+            return Futures.immediateFuture(RpcResultBuilder.<UnsubscribeDdtlOutput>failed()
+                    .withRpcError(error).build());
+        }
+
+        final String shardName = ClusterUtils.getCleanShardName(ProduceTransactionsHandler.ID_INTS_YID);
+        LOG.debug("Creating distributed datastore client for shard {}", shardName);
+
+        final ActorContext actorContext = configDataStore.getActorContext();
+        final Props distributedDataStoreClientProps =
+                SimpleDataStoreClientActor.props(actorContext.getCurrentMemberName(),
+                        "Shard-" + shardName, actorContext, shardName);
+
+        final ActorRef clientActor = actorSystem.actorOf(distributedDataStoreClientProps);
+        final DataStoreClient distributedDataStoreClient;
+        try {
+            distributedDataStoreClient = SimpleDataStoreClientActor
+                    .getDistributedDataStoreClient(clientActor, 30, TimeUnit.SECONDS);
+        } catch (RuntimeException e) {
+            LOG.error("Failed to get actor for {}", distributedDataStoreClientProps, e);
+            clientActor.tell(PoisonPill.getInstance(), noSender());
+            final RpcError error = RpcResultBuilder.newError(
+                    ErrorType.APPLICATION, "Unable to create ds client for read.",
+                    "Unable to create ds client for read.");
+            return Futures.immediateFuture(RpcResultBuilder.<UnsubscribeDdtlOutput>failed()
+                    .withRpcError(error).build());
+        }
+
+        final ClientLocalHistory localHistory = distributedDataStoreClient.createLocalHistory();
+        final ClientTransaction tx = localHistory.createTransaction();
+        final ListenableFuture<Optional<NormalizedNode<?, ?>>> read =
+                tx.read(YangInstanceIdentifier.of(ProduceTransactionsHandler.ID_INT));
+
+        tx.abort();
+        localHistory.close();
+        try {
+            final Optional<NormalizedNode<?, ?>> optional = read.get();
+            if (!optional.isPresent()) {
+                LOG.warn("Final read from client is empty.");
+                final RpcError error = RpcResultBuilder.newError(
+                        ErrorType.APPLICATION, "Read failed.", "Final read from id-ints is empty.");
+                return Futures.immediateFuture(RpcResultBuilder.<UnsubscribeDdtlOutput>failed()
+                        .withRpcError(error).build());
+            }
+
+            return Futures.immediateFuture(
+                    RpcResultBuilder.success(new UnsubscribeDdtlOutputBuilder()
+                            .setCopyMatches(idIntsDdtl.checkEqual(optional.get()))).build());
+
+        } catch (InterruptedException | ExecutionException e) {
+            LOG.error("Unable to read data to verify ddtl data.", e);
+            final RpcError error = RpcResultBuilder.newError(
+                    ErrorType.APPLICATION, "Read failed.", "Final read from id-ints failed.");
+            return Futures.immediateFuture(RpcResultBuilder.<UnsubscribeDdtlOutput>failed()
+                    .withRpcError(error).build());
+        } finally {
+            distributedDataStoreClient.close();
+            clientActor.tell(PoisonPill.getInstance(), noSender());
+        }
     }
 }