Docker improvements and Telemetry Service in cluster mode

-FROM cassandra
-
-WORKDIR /opt/cassandra
-
-COPY dao/src/main/resources/cassandra/schema.cql /opt/cassandra
-
-COPY entrypoint-with-db-init.sh /opt/cassandra/entrypoint-with-db-init.sh
-
-RUN chmod +x /opt/cassandra/entrypoint-with-db-init.sh
-
-ENTRYPOINT ["/opt/cassandra/entrypoint-with-db-init.sh"]
-
-CMD ["cassandra", "-f"]

@@ -15,7 +15,7 @@
  */
 package org.thingsboard.server.actors.plugin;
 
-import com.hazelcast.util.function.Consumer;
+import java.util.function.Consumer;
 import org.thingsboard.server.extensions.api.exception.AccessDeniedException;
 import org.thingsboard.server.extensions.api.exception.EntityNotFoundException;
 import org.thingsboard.server.extensions.api.exception.InternalErrorException;

@@ -17,7 +17,6 @@ package org.thingsboard.server.actors.rpc;
 
 import akka.actor.ActorRef;
 import lombok.extern.slf4j.Slf4j;
-import org.thingsboard.server.actors.ActorSystemContext;
 import org.thingsboard.server.actors.service.ActorService;
 import org.thingsboard.server.gen.cluster.ClusterAPIProtos;
 import org.thingsboard.server.service.cluster.rpc.GrpcSession;
@@ -58,7 +57,7 @@ public class BasicRpcSessionListener implements GrpcSessionListener {
         log.trace("{} Service [{}] received session actor msg {}", getType(session),
                 session.getRemoteServer(),
                 clusterMessage);
-        service.onRecievedMsg(clusterMessage);
+        service.onReceivedMsg(session.getRemoteServer(), clusterMessage);
     }
 
     @Override

@@ -89,9 +89,9 @@ public class RpcManagerActor extends ContextAwareActor {
     }
 
     private void onMsg(ClusterAPIProtos.ClusterMessage msg) {
-        if (msg.hasServerAdresss()) {
-            ServerAddress address = new ServerAddress(msg.getServerAdresss().getHost(),
-                    msg.getServerAdresss().getPort());
+        if (msg.hasServerAddress()) {
+            ServerAddress address = new ServerAddress(msg.getServerAddress().getHost(),
+                    msg.getServerAddress().getPort());
             SessionActorInfo session = sessionActors.get(address);
             if (session != null) {
                 log.debug("{} Forwarding msg to session actor", address);
@@ -102,7 +102,7 @@ public class RpcManagerActor extends ContextAwareActor {
                 if (queue == null) {
                     queue = new LinkedList<>();
                     pendingMsgs.put(new ServerAddress(
-                            msg.getServerAdresss().getHost(), msg.getServerAdresss().getPort()), queue);
+                            msg.getServerAddress().getHost(), msg.getServerAddress().getPort()), queue);
                 }
                 queue.add(msg);
             }

@@ -78,7 +78,7 @@ public class RpcSessionActor extends ContextAwareActor {
     private void initSession(RpcSessionCreateRequestMsg msg) {
         log.info("[{}] Initializing session", context().self());
         ServerAddress remoteServer = msg.getRemoteAddress();
-        listener = new BasicRpcSessionListener(systemContext, context().parent(), context().self());
+        listener = new BasicRpcSessionListener(systemContext.getActorService(), context().parent(), context().self());
         if (msg.getRemoteAddress() == null) {
             // Server session
             session = new GrpcSession(listener);
@@ -119,7 +119,7 @@ public class RpcSessionActor extends ContextAwareActor {
 
     private ClusterAPIProtos.ClusterMessage toConnectMsg() {
         ServerAddress instance = systemContext.getDiscoveryService().getCurrentServer().getServerAddress();
-        return ClusterAPIProtos.ClusterMessage.newBuilder().setMessageType(CONNECT_RPC_MESSAGE).setServerAdresss(
+        return ClusterAPIProtos.ClusterMessage.newBuilder().setMessageType(CONNECT_RPC_MESSAGE).setServerAddress(
                 ClusterAPIProtos.ServerAddress.newBuilder().setHost(instance.getHost())
                         .setPort(instance.getPort()).build()).build();
     }

 /**
  * Copyright © 2016-2018 The Thingsboard Authors
- * <p>
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * <p>
- * http://www.apache.org/licenses/LICENSE-2.0
- * <p>
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -56,8 +56,6 @@ import javax.annotation.PostConstruct;
 import javax.annotation.PreDestroy;
 
 import static org.thingsboard.server.gen.cluster.ClusterAPIProtos.MessageType.CLUSTER_ACTOR_MESSAGE;
-import static org.thingsboard.server.gen.cluster.ClusterAPIProtos.MessageType.CLUSTER_ACTOR_MESSAGE_VALUE;
-import static org.thingsboard.server.gen.cluster.ClusterAPIProtos.MessageType.CLUSTER_NETWORK_SERVER_DATA_MESSAGE;
 
 @Service
 @Slf4j
@@ -211,8 +209,8 @@ public class DefaultActorService implements ActorService {
     }
 
     @Override
-    public void onRecievedMsg(ClusterAPIProtos.ClusterMessage msg) {
-        ServerAddress serverAddress = new ServerAddress(msg.getServerAddress().getHost(), msg.getServerAddress().getPort());
+    public void onReceivedMsg(ServerAddress source, ClusterAPIProtos.ClusterMessage msg) {
+        ServerAddress serverAddress = new ServerAddress(source.getHost(), source.getPort());
         switch (msg.getMessageType()) {
             case CLUSTER_ACTOR_MESSAGE:
                 java.util.Optional<TbActorMsg> decodedMsg = actorContext.getEncodingService()

@@ -87,7 +87,7 @@ abstract class AbstractSessionActorMsgProcessor extends AbstractContextAwareMsgP
         return address;
     }
 
-    protected Optional<ServerAddress> forwardToAppActorIfAdressChanged(ActorContext ctx, DeviceToDeviceActorMsg toForward, Optional<ServerAddress> oldAddress) {
+    protected Optional<ServerAddress> forwardToAppActorIfAddressChanged(ActorContext ctx, DeviceToDeviceActorMsg toForward, Optional<ServerAddress> oldAddress) {
 
         Optional<ServerAddress> newAddress = systemContext.getRoutingService().resolveById(toForward.getDeviceId());
         if (!newAddress.equals(oldAddress)) {

@@ -73,7 +73,7 @@ class SyncMsgProcessor extends AbstractSessionActorMsgProcessor {
     @Override
     public void processClusterEvent(ActorContext context, ClusterEventMsg msg) {
         if (pendingResponse) {
-            Optional<ServerAddress> newTargetServer = forwardToAppActorIfAdressChanged(context, pendingMsg, currentTargetServer);
+            Optional<ServerAddress> newTargetServer = forwardToAppActorIfAddressChanged(context, pendingMsg, currentTargetServer);
             if (logger.isDebugEnabled()) {
                 if (!newTargetServer.equals(currentTargetServer)) {
                     if (newTargetServer.isPresent()) {

@@ -32,9 +32,11 @@ import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.boot.context.event.ApplicationReadyEvent;
 import org.springframework.context.ApplicationListener;
+import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Service;
 import org.springframework.util.Assert;
 import org.thingsboard.server.common.msg.cluster.ServerAddress;
+import org.thingsboard.server.service.telemetry.TelemetrySubscriptionService;
 import org.thingsboard.server.utils.MiscUtils;
 
 import javax.annotation.PostConstruct;
@@ -68,6 +70,10 @@ public class ZkDiscoveryService implements DiscoveryService, PathChildrenCacheLi
     @Autowired
     private ServerInstanceService serverInstance;
 
+    @Autowired
+    @Lazy
+    private TelemetrySubscriptionService tsSubService;
+
     private final List<DiscoveryServiceListener> listeners = new CopyOnWriteArrayList<>();
 
     private CuratorFramework client;
@@ -196,12 +202,14 @@ public class ZkDiscoveryService implements DiscoveryService, PathChildrenCacheLi
         log.info("Processing [{}] event for [{}:{}]", pathChildrenCacheEvent.getType(), instance.getHost(), instance.getPort());
         switch (pathChildrenCacheEvent.getType()) {
             case CHILD_ADDED:
+                tsSubService.onClusterUpdate();
                 listeners.forEach(listener -> listener.onServerAdded(instance));
                 break;
             case CHILD_UPDATED:
                 listeners.forEach(listener -> listener.onServerUpdated(instance));
                 break;
             case CHILD_REMOVED:
+                tsSubService.onClusterUpdate();
                 listeners.forEach(listener -> listener.onServerRemoved(instance));
                 break;
             default:

 /**
  * Copyright © 2016-2018 The Thingsboard Authors
- * <p>
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * <p>
- * http://www.apache.org/licenses/LICENSE-2.0
- * <p>
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

@@ -61,7 +61,7 @@ public final class GrpcSession implements Closeable {
             public void onNext(ClusterAPIProtos.ClusterMessage clusterMessage) {
                 if (!connected && clusterMessage.getMessageType() == ClusterAPIProtos.MessageType.CONNECT_RPC_MESSAGE) {
                     connected = true;
-                    ServerAddress rpcAddress = new ServerAddress(clusterMessage.getServerAdresss().getHost(), clusterMessage.getServerAdresss().getPort());
+                    ServerAddress rpcAddress = new ServerAddress(clusterMessage.getServerAddress().getHost(), clusterMessage.getServerAddress().getPort());
                     remoteServer = new ServerAddress(rpcAddress.getHost(), rpcAddress.getPort());
                     listener.onConnected(GrpcSession.this);
                 }

@@ -17,6 +17,7 @@ package org.thingsboard.server.service.cluster.rpc;
 
 import org.thingsboard.server.actors.rpc.RpcBroadcastMsg;
 import org.thingsboard.server.actors.rpc.RpcSessionCreateRequestMsg;
+import org.thingsboard.server.common.msg.cluster.ServerAddress;
 import org.thingsboard.server.gen.cluster.ClusterAPIProtos;
 
 /**
@@ -24,7 +25,7 @@ import org.thingsboard.server.gen.cluster.ClusterAPIProtos;
  */
 
 public interface RpcMsgListener {
-    void onRecievedMsg(ClusterAPIProtos.ClusterMessage msg);
+    void onReceivedMsg(ServerAddress remoteServer, ClusterAPIProtos.ClusterMessage msg);
     void onSendMsg(ClusterAPIProtos.ClusterMessage msg);
     void onRpcSessionCreateRequestMsg(RpcSessionCreateRequestMsg msg);
     void onBroadcastMsg(RpcBroadcastMsg msg);

@@ -25,7 +25,7 @@ import org.thingsboard.server.gen.cluster.ClusterAPIProtos;
 
 import java.util.Optional;
 
-import static org.thingsboard.server.gen.cluster.ClusterAPIProtos.MessageType.CLUSTER_NETWORK_SERVER_DATA_MESSAGE;
+import static org.thingsboard.server.gen.cluster.ClusterAPIProtos.MessageType.CLUSTER_ACTOR_MESSAGE;
 
 
 @Slf4j
@@ -55,12 +55,12 @@ public class ProtoWithJavaSerializationDecodingEncodingService implements DataDe
                                                                      TbActorMsg msg) {
         return ClusterAPIProtos.ClusterMessage
                 .newBuilder()
-                .setServerAdresss(ClusterAPIProtos.ServerAddress
+                .setServerAddress(ClusterAPIProtos.ServerAddress
                         .newBuilder()
                         .setHost(serverAddress.getHost())
                         .setPort(serverAddress.getPort())
                         .build())
-                .setMessageType(CLUSTER_NETWORK_SERVER_DATA_MESSAGE)
+                .setMessageType(CLUSTER_ACTOR_MESSAGE)
                 .setPayload(ByteString.copyFrom(encode(msg))).build();
 
     }

 /**
  * Copyright © 2016-2018 The Thingsboard Authors
- * <p>
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * <p>
- * http://www.apache.org/licenses/LICENSE-2.0
- * <p>
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

@@ -21,7 +21,7 @@ import com.google.common.base.Function;
 import com.google.common.util.concurrent.FutureCallback;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
-import com.hazelcast.util.function.Consumer;
+import java.util.function.Consumer;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;

@@ -107,7 +107,7 @@ mqtt:
 # CoAP server parameters
 coap:
   # Enable/disable coap transport protocol.
-  enabled: "${COAP_ENABLED:true}"
+  enabled: "${COAP_ENABLED:false}"
   bind_address: "${COAP_BIND_ADDRESS:0.0.0.0}"
   bind_port: "${COAP_BIND_PORT:5683}"
   adaptor:  "${COAP_ADAPTOR_NAME:JsonCoapAdaptor}"

+/**
+ * Copyright © 2016-2018 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.thingsboard.server.mqtt;
 
 import org.junit.rules.TestRule;

+#
+# Copyright © 2016-2018 The Thingsboard Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 version: '3.3'
 services:
   zookeeper:
@@ -7,20 +23,15 @@ services:
     ports:
       - "2181:2181"
 
-  cassandra-tb:
-    build:
-      context: .
-      dockerfile: Dockerfile.cassandra
-    image: cassandra
+  cassandra:
+    image: cassandra:3.11.2
     networks:
       - core
     ports:
       - "7199:7199"
       - "9160:9160"
       - "9042:9042"
-    volumes:
-      - /cassandra:/var/lib/cassandra
-      - ./db-schema:/docker-entrypoint-initdb.d/
+
   redis:
     image: redis:4.0
     networks:

@@ -153,22 +153,10 @@
             <artifactId>curator-x-discovery</artifactId>
         </dependency>
         <dependency>
-            <groupId>com.hazelcast</groupId>
-            <artifactId>hazelcast-zookeeper</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>com.hazelcast</groupId>
-            <artifactId>hazelcast</artifactId>
-        </dependency>
-        <dependency>
             <groupId>com.github.ben-manes.caffeine</groupId>
             <artifactId>caffeine</artifactId>
         </dependency>
         <dependency>
-            <groupId>com.hazelcast</groupId>
-            <artifactId>hazelcast-spring</artifactId>
-        </dependency>
-        <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-autoconfigure</artifactId>
         </dependency>

@@ -222,15 +222,14 @@ public class BaseAlarmService extends AbstractEntityService implements AlarmServ
     public ListenableFuture<AlarmInfo> findAlarmInfoByIdAsync(AlarmId alarmId) {
         log.trace("Executing findAlarmInfoByIdAsync [{}]", alarmId);
         validateId(alarmId, "Incorrect alarmId " + alarmId);
-        return Futures.transform(alarmDao.findAlarmByIdAsync(alarmId.getId()),
-                (AsyncFunction<Alarm, AlarmInfo>) alarm1 -> {
-                    AlarmInfo alarmInfo = new AlarmInfo(alarm1);
+        return Futures.transformAsync(alarmDao.findAlarmByIdAsync(alarmId.getId()),
+                a -> {
+                    AlarmInfo alarmInfo = new AlarmInfo(a);
                     return Futures.transform(
-                            entityService.fetchEntityNameAsync(alarmInfo.getOriginator()), (Function<String, AlarmInfo>)
-                                    originatorName -> {
-                                        alarmInfo.setOriginatorName(originatorName);
-                                        return alarmInfo;
-                                    }
+                            entityService.fetchEntityNameAsync(alarmInfo.getOriginator()), originatorName -> {
+                                alarmInfo.setOriginatorName(originatorName);
+                                return alarmInfo;
+                            }
                     );
                 });
     }
@@ -239,18 +238,17 @@ public class BaseAlarmService extends AbstractEntityService implements AlarmServ
     public ListenableFuture<TimePageData<AlarmInfo>> findAlarms(AlarmQuery query) {
         ListenableFuture<List<AlarmInfo>> alarms = alarmDao.findAlarms(query);
         if (query.getFetchOriginator() != null && query.getFetchOriginator().booleanValue()) {
-            alarms = Futures.transform(alarms, (AsyncFunction<List<AlarmInfo>, List<AlarmInfo>>) input -> {
+            alarms = Futures.transformAsync(alarms, input -> {
                 List<ListenableFuture<AlarmInfo>> alarmFutures = new ArrayList<>(input.size());
                 for (AlarmInfo alarmInfo : input) {
                     alarmFutures.add(Futures.transform(
-                            entityService.fetchEntityNameAsync(alarmInfo.getOriginator()), (Function<String, AlarmInfo>)
-                                    originatorName -> {
-                                        if (originatorName == null) {
-                                            originatorName = "Deleted";
-                                        }
-                                        alarmInfo.setOriginatorName(originatorName);
-                                        return alarmInfo;
-                                    }
+                            entityService.fetchEntityNameAsync(alarmInfo.getOriginator()), originatorName -> {
+                                if (originatorName == null) {
+                                    originatorName = "Deleted";
+                                }
+                                alarmInfo.setOriginatorName(originatorName);
+                                return alarmInfo;
+                            }
                     ));
                 }
                 return Futures.successfulAsList(alarmFutures);

@@ -102,12 +102,12 @@ public class CassandraAlarmDao extends CassandraAbstractModelDao<AlarmEntity, Al
         }
         String relationType = BaseAlarmService.ALARM_RELATION_PREFIX + searchStatusName;
         ListenableFuture<List<EntityRelation>> relations = relationDao.findRelations(affectedEntity, relationType, RelationTypeGroup.ALARM, EntityType.ALARM, query.getPageLink());
-        return Futures.transform(relations, (AsyncFunction<List<EntityRelation>, List<AlarmInfo>>) input -> {
+        return Futures.transformAsync(relations, input -> {
             List<ListenableFuture<AlarmInfo>> alarmFutures = new ArrayList<>(input.size());
             for (EntityRelation relation : input) {
                 alarmFutures.add(Futures.transform(
                         findAlarmByIdAsync(relation.getTo().getId()),
-                        (Function<Alarm, AlarmInfo>) AlarmInfo::new));
+                        AlarmInfo::new));
             }
             return Futures.successfulAsList(alarmFutures);
         });

@@ -194,10 +194,10 @@ public class BaseAssetService extends AbstractEntityService implements AssetServ
     @Override
     public ListenableFuture<List<Asset>> findAssetsByQuery(AssetSearchQuery query) {
         ListenableFuture<List<EntityRelation>> relations = relationService.findByQuery(query.toEntitySearchQuery());
-        ListenableFuture<List<Asset>> assets = Futures.transform(relations, (AsyncFunction<List<EntityRelation>, List<Asset>>) relations1 -> {
+        ListenableFuture<List<Asset>> assets = Futures.transformAsync(relations, r -> {
             EntitySearchDirection direction = query.toEntitySearchQuery().getParameters().getDirection();
             List<ListenableFuture<Asset>> futures = new ArrayList<>();
-            for (EntityRelation relation : relations1) {
+            for (EntityRelation relation : r) {
                 EntityId entityId = direction == EntitySearchDirection.FROM ? relation.getTo() : relation.getFrom();
                 if (entityId.getEntityType() == EntityType.ASSET) {
                     futures.add(findAssetByIdAsync(new AssetId(entityId.getId())));

@@ -18,8 +18,12 @@ package org.thingsboard.server.dao.cassandra;
 
 import com.datastax.driver.core.*;
 import com.datastax.driver.core.ProtocolOptions.Compression;
+import com.datastax.driver.mapping.DefaultPropertyMapper;
 import com.datastax.driver.mapping.Mapper;
+import com.datastax.driver.mapping.MappingConfiguration;
 import com.datastax.driver.mapping.MappingManager;
+import com.datastax.driver.mapping.PropertyAccessStrategy;
+import com.datastax.driver.mapping.PropertyMapper;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -145,7 +149,10 @@ public abstract class AbstractCassandraCluster {
                 } else {
                     session = cluster.connect();
                 }
-                mappingManager = new MappingManager(session);
+                DefaultPropertyMapper propertyMapper = new DefaultPropertyMapper();
+                propertyMapper.setPropertyAccessStrategy(PropertyAccessStrategy.FIELDS);
+                MappingConfiguration configuration = MappingConfiguration.builder().withPropertyMapper(propertyMapper).build();
+                mappingManager = new MappingManager(session, configuration);
                 break;
             } catch (Exception e) {
                 log.warn("Failed to initialize cassandra cluster due to {}. Will retry in {} ms", e.getMessage(), initRetryInterval);

@@ -77,7 +77,7 @@ public class CassandraDashboardInfoDao extends CassandraAbstractSearchTextDao<Da
 
         ListenableFuture<List<EntityRelation>> relations = relationDao.findRelations(new CustomerId(customerId), EntityRelation.CONTAINS_TYPE, RelationTypeGroup.DASHBOARD, EntityType.DASHBOARD, pageLink);
 
-        return Futures.transform(relations, (AsyncFunction<List<EntityRelation>, List<DashboardInfo>>) input -> {
+        return Futures.transformAsync(relations, input -> {
             List<ListenableFuture<DashboardInfo>> dashboardFutures = new ArrayList<>(input.size());
             for (EntityRelation relation : input) {
                 dashboardFutures.add(findByIdAsync(relation.getTo().getId()));

@@ -227,10 +227,10 @@ public class DeviceServiceImpl extends AbstractEntityService implements DeviceSe
     @Override
     public ListenableFuture<List<Device>> findDevicesByQuery(DeviceSearchQuery query) {
         ListenableFuture<List<EntityRelation>> relations = relationService.findByQuery(query.toEntitySearchQuery());
-        ListenableFuture<List<Device>> devices = Futures.transform(relations, (AsyncFunction<List<EntityRelation>, List<Device>>) relations1 -> {
+        ListenableFuture<List<Device>> devices = Futures.transformAsync(relations, r -> {
             EntitySearchDirection direction = query.toEntitySearchQuery().getParameters().getDirection();
             List<ListenableFuture<Device>> futures = new ArrayList<>();
-            for (EntityRelation relation : relations1) {
+            for (EntityRelation relation : r) {
                 EntityId entityId = direction == EntitySearchDirection.FROM ? relation.getTo() : relation.getFrom();
                 if (entityId.getEntityType() == EntityType.DEVICE) {
                     futures.add(findDeviceByIdAsync(new DeviceId(entityId.getId())));

@@ -36,14 +36,14 @@ public class RateLimitedResultSetFuture implements ResultSetFuture {
     private final ListenableFuture<Void> rateLimitFuture;
 
     public RateLimitedResultSetFuture(Session session, AsyncRateLimiter rateLimiter, Statement statement) {
-        this.rateLimitFuture = Futures.withFallback(rateLimiter.acquireAsync(), t -> {
+        this.rateLimitFuture = Futures.catchingAsync(rateLimiter.acquireAsync(), Throwable.class, t -> {
             if (!(t instanceof BufferLimitException)) {
                 rateLimiter.release();
             }
             return Futures.immediateFailedFuture(t);
         });
         this.originalFuture = Futures.transform(rateLimitFuture,
-                (Function<Void, ResultSetFuture>) i -> executeAsyncWithRelease(rateLimiter, session, statement));
+                i -> executeAsyncWithRelease(rateLimiter, session, statement));
 
     }
 

@@ -227,8 +227,8 @@ public class BaseRelationService implements RelationService {
             inboundRelationsListTo.add(relationDao.findAllByTo(entity, typeGroup));
         }
         ListenableFuture<List<List<EntityRelation>>> inboundRelationsTo = Futures.allAsList(inboundRelationsListTo);
-        ListenableFuture<List<Boolean>> inboundDeletions = Futures.transform(inboundRelationsTo,
-                (AsyncFunction<List<List<EntityRelation>>, List<Boolean>>) relations -> {
+        ListenableFuture<List<Boolean>> inboundDeletions = Futures.transformAsync(inboundRelationsTo,
+                relations -> {
                     List<ListenableFuture<Boolean>> results = getListenableFutures(relations, cache, true);
                     return Futures.allAsList(results);
                 });
@@ -240,7 +240,7 @@ public class BaseRelationService implements RelationService {
             inboundRelationsListFrom.add(relationDao.findAllByTo(entity, typeGroup));
         }
         ListenableFuture<List<List<EntityRelation>>> inboundRelationsFrom = Futures.allAsList(inboundRelationsListFrom);
-        Futures.transform(inboundRelationsFrom, (AsyncFunction<List<List<EntityRelation>>, List<Boolean>>) relations -> {
+        Futures.transformAsync(inboundRelationsFrom, relations -> {
             List<ListenableFuture<Boolean>> results = getListenableFutures(relations, cache, false);
             return Futures.allAsList(results);
         });
@@ -252,7 +252,7 @@ public class BaseRelationService implements RelationService {
     private List<ListenableFuture<Boolean>> getListenableFutures(List<List<EntityRelation>> relations, Cache cache, boolean isRemove) {
         List<ListenableFuture<Boolean>> results = new ArrayList<>();
         for (List<EntityRelation> relationList : relations) {
-            relationList.stream().forEach(relation -> {
+            relationList.forEach(relation -> {
                 checkFromDeleteAsync(cache, results, relation, isRemove);
             });
         }
@@ -325,17 +325,16 @@ public class BaseRelationService implements RelationService {
         validate(from);
         validateTypeGroup(typeGroup);
         ListenableFuture<List<EntityRelation>> relations = relationDao.findAllByFrom(from, typeGroup);
-        ListenableFuture<List<EntityRelationInfo>> relationsInfo = Futures.transform(relations,
-                (AsyncFunction<List<EntityRelation>, List<EntityRelationInfo>>) relations1 -> {
+        return Futures.transformAsync(relations,
+                relations1 -> {
                     List<ListenableFuture<EntityRelationInfo>> futures = new ArrayList<>();
-                    relations1.stream().forEach(relation ->
+                    relations1.forEach(relation ->
                             futures.add(fetchRelationInfoAsync(relation,
-                                    relation2 -> relation2.getTo(),
-                                    (EntityRelationInfo relationInfo, String entityName) -> relationInfo.setToName(entityName)))
+                                    EntityRelation::getTo,
+                                    EntityRelationInfo::setToName))
                     );
                     return Futures.successfulAsList(futures);
                 });
-        return relationsInfo;
     }
 
     @Cacheable(cacheNames = RELATIONS_CACHE, key = "{#from, #relationType, #typeGroup}")
@@ -381,8 +380,8 @@ public class BaseRelationService implements RelationService {
         validate(to);
         validateTypeGroup(typeGroup);
         ListenableFuture<List<EntityRelation>> relations = relationDao.findAllByTo(to, typeGroup);
-        ListenableFuture<List<EntityRelationInfo>> relationsInfo = Futures.transform(relations,
-                (AsyncFunction<List<EntityRelation>, List<EntityRelationInfo>>) relations1 -> {
+        return Futures.transformAsync(relations,
+                relations1 -> {
                     List<ListenableFuture<EntityRelationInfo>> futures = new ArrayList<>();
                     relations1.stream().forEach(relation ->
                             futures.add(fetchRelationInfoAsync(relation,
@@ -391,7 +390,6 @@ public class BaseRelationService implements RelationService {
                     );
                     return Futures.successfulAsList(futures);
                 });
-        return relationsInfo;
     }
 
     private ListenableFuture<EntityRelationInfo> fetchRelationInfoAsync(EntityRelation relation,
@@ -463,8 +461,8 @@ public class BaseRelationService implements RelationService {
         log.trace("Executing findInfoByQuery [{}]", query);
         ListenableFuture<List<EntityRelation>> relations = findByQuery(query);
         EntitySearchDirection direction = query.getParameters().getDirection();
-        ListenableFuture<List<EntityRelationInfo>> relationsInfo = Futures.transform(relations,
-                (AsyncFunction<List<EntityRelation>, List<EntityRelationInfo>>) relations1 -> {
+        return Futures.transformAsync(relations,
+                relations1 -> {
                     List<ListenableFuture<EntityRelationInfo>> futures = new ArrayList<>();
                     relations1.stream().forEach(relation ->
                             futures.add(fetchRelationInfoAsync(relation,
@@ -479,7 +477,6 @@ public class BaseRelationService implements RelationService {
                     );
                     return Futures.successfulAsList(futures);
                 });
-        return relationsInfo;
     }
 
     protected void validate(EntityRelation relation) {

@@ -102,12 +102,12 @@ public class JpaAlarmDao extends JpaAbstractDao<AlarmEntity, Alarm> implements A
         }
         String relationType = BaseAlarmService.ALARM_RELATION_PREFIX + searchStatusName;
         ListenableFuture<List<EntityRelation>> relations = relationDao.findRelations(affectedEntity, relationType, RelationTypeGroup.ALARM, EntityType.ALARM, query.getPageLink());
-        return Futures.transform(relations, (AsyncFunction<List<EntityRelation>, List<AlarmInfo>>) input -> {
+        return Futures.transformAsync(relations, input -> {
             List<ListenableFuture<AlarmInfo>> alarmFutures = new ArrayList<>(input.size());
             for (EntityRelation relation : input) {
                 alarmFutures.add(Futures.transform(
                         findAlarmByIdAsync(relation.getTo().getId()),
-                        (Function<Alarm, AlarmInfo>) AlarmInfo::new));
+                        AlarmInfo::new));
             }
             return Futures.successfulAsList(alarmFutures);
         });

@@ -86,7 +86,7 @@ public class JpaDashboardInfoDao extends JpaAbstractSearchTextDao<DashboardInfoE
 
         ListenableFuture<List<EntityRelation>> relations = relationDao.findRelations(new CustomerId(customerId), EntityRelation.CONTAINS_TYPE, RelationTypeGroup.DASHBOARD, EntityType.DASHBOARD, pageLink);
 
-        return Futures.transform(relations, (AsyncFunction<List<EntityRelation>, List<DashboardInfo>>) input -> {
+        return Futures.transformAsync(relations, input -> {
             List<ListenableFuture<DashboardInfo>> dashboardFutures = new ArrayList<>(input.size());
             for (EntityRelation relation : input) {
                 dashboardFutures.add(findByIdAsync(relation.getTo().getId()));

@@ -217,7 +217,7 @@ public class CassandraBaseTimeseriesDao extends CassandraAbstractAsyncDao implem
 
         ListenableFuture<List<Long>> partitionsListFuture = Futures.transform(partitionsFuture, getPartitionsArrayFunction(), readResultsProcessingExecutor);
 
-        ListenableFuture<List<ResultSet>> aggregationChunks = Futures.transform(partitionsListFuture,
+        ListenableFuture<List<ResultSet>> aggregationChunks = Futures.transformAsync(partitionsListFuture,
                 getFetchChunksAsyncFunction(entityId, key, aggregation, startTs, endTs), readResultsProcessingExecutor);
 
         return Futures.transform(aggregationChunks, new AggregatePartitionsFunction(aggregation, key, ts), readResultsProcessingExecutor);

-#!/bin/bash
-
-if [[ $1 = 'cassandra' ]]; then
-
-  until cqlsh -f/opt/cassandra/schema.cql; do
-    echo "cqlsh: Cassandra is unavailable - retrying"
-    sleep 2
-  done &
-
-fi
-
-exec /docker-entrypoint.sh "$@"

@@ -41,10 +41,10 @@
         <logback.version>1.2.3</logback.version>
         <mockito.version>1.9.5</mockito.version>
         <rat.version>0.10</rat.version>
-        <cassandra.version>3.0.7</cassandra.version>
+        <cassandra.version>3.5.0</cassandra.version>
         <cassandra-unit.version>3.0.0.1</cassandra-unit.version>
         <takari-cpsuite.version>1.2.7</takari-cpsuite.version>
-        <guava.version>18.0</guava.version>
+        <guava.version>20.0</guava.version>
         <caffeine.version>2.6.1</caffeine.version>
         <commons-lang3.version>3.4</commons-lang3.version>
         <commons-validator.version>1.5.0</commons-validator.version>
@@ -61,15 +61,13 @@
         <mail.version>1.4.3</mail.version>
         <curator.version>2.11.0</curator.version>
         <protobuf.version>3.0.2</protobuf.version>
-        <grpc.version>1.0.0</grpc.version>
+        <grpc.version>1.12.0</grpc.version>
         <lombok.version>1.16.18</lombok.version>
         <paho.client.version>1.1.0</paho.client.version>
         <netty.version>4.1.22.Final</netty.version>
         <os-maven-plugin.version>1.5.0</os-maven-plugin.version>
         <rabbitmq.version>3.6.5</rabbitmq.version>
         <kafka.version>0.9.0.0</kafka.version>
-        <hazelcast.version>3.6.6</hazelcast.version>
-        <hazelcast-zookeeper.version>3.6.1</hazelcast-zookeeper.version>
         <surfire.version>2.19.1</surfire.version>
         <jar-plugin.version>3.0.2</jar-plugin.version>
         <springfox-swagger.version>2.6.1</springfox-swagger.version>
@@ -761,26 +759,11 @@
                 <version>${paho.client.version}</version>
             </dependency>
             <dependency>
-                <groupId>com.hazelcast</groupId>
-                <artifactId>hazelcast-spring</artifactId>
-                <version>${hazelcast.version}</version>
-            </dependency>
-            <dependency>
                 <groupId>org.apache.curator</groupId>
                 <artifactId>curator-x-discovery</artifactId>
                 <version>${curator.version}</version>
             </dependency>
             <dependency>
-                <groupId>com.hazelcast</groupId>
-                <artifactId>hazelcast-zookeeper</artifactId>
-                <version>${hazelcast-zookeeper.version}</version>
-            </dependency>
-            <dependency>
-                <groupId>com.hazelcast</groupId>
-                <artifactId>hazelcast</artifactId>
-                <version>${hazelcast.version}</version>
-            </dependency>
-            <dependency>
                 <groupId>io.springfox</groupId>
                 <artifactId>springfox-swagger-ui</artifactId>
                 <version>${springfox-swagger.version}</version>

@@ -56,7 +56,7 @@ public class TbClearAlarmNode extends TbAbstractAlarmNode<TbClearAlarmNodeConfig
     @Override
     protected ListenableFuture<AlarmResult> processAlarm(TbContext ctx, TbMsg msg) {
         ListenableFuture<Alarm> latest = ctx.getAlarmService().findLatestByOriginatorAndType(ctx.getTenantId(), msg.getOriginator(), config.getAlarmType());
-        return Futures.transform(latest, (AsyncFunction<Alarm, AlarmResult>) a -> {
+        return Futures.transformAsync(latest, a -> {
             if (a != null && !a.getStatus().isCleared()) {
                 return clearAlarm(ctx, msg, a);
             }
@@ -66,9 +66,9 @@ public class TbClearAlarmNode extends TbAbstractAlarmNode<TbClearAlarmNodeConfig
 
     private ListenableFuture<AlarmResult> clearAlarm(TbContext ctx, TbMsg msg, Alarm alarm) {
         ListenableFuture<JsonNode> asyncDetails = buildAlarmDetails(ctx, msg, alarm.getDetails());
-        return Futures.transform(asyncDetails, (AsyncFunction<JsonNode, AlarmResult>) details -> {
+        return Futures.transformAsync(asyncDetails, details -> {
             ListenableFuture<Boolean> clearFuture = ctx.getAlarmService().clearAlarm(alarm.getId(), details, System.currentTimeMillis());
-            return Futures.transform(clearFuture, (AsyncFunction<Boolean, AlarmResult>) cleared -> {
+            return Futures.transformAsync(clearFuture, cleared -> {
                 if (cleared && details != null) {
                     alarm.setDetails(details);
                 }

@@ -58,7 +58,7 @@ public class TbCreateAlarmNode extends TbAbstractAlarmNode<TbCreateAlarmNodeConf
     @Override
     protected ListenableFuture<AlarmResult> processAlarm(TbContext ctx, TbMsg msg) {
         ListenableFuture<Alarm> latest = ctx.getAlarmService().findLatestByOriginatorAndType(ctx.getTenantId(), msg.getOriginator(), config.getAlarmType());
-        return Futures.transform(latest, (AsyncFunction<Alarm, AlarmResult>) a -> {
+        return Futures.transformAsync(latest, a -> {
             if (a == null || a.getStatus().isCleared()) {
                 return createNewAlarm(ctx, msg);
             } else {
@@ -70,10 +70,10 @@ public class TbCreateAlarmNode extends TbAbstractAlarmNode<TbCreateAlarmNodeConf
 
     private ListenableFuture<AlarmResult> createNewAlarm(TbContext ctx, TbMsg msg) {
         ListenableFuture<Alarm> asyncAlarm = Futures.transform(buildAlarmDetails(ctx, msg, null),
-                (Function<JsonNode, Alarm>) details -> buildAlarm(msg, details, ctx.getTenantId()));
+                details -> buildAlarm(msg, details, ctx.getTenantId()));
         ListenableFuture<Alarm> asyncCreated = Futures.transform(asyncAlarm,
-                (Function<Alarm, Alarm>) alarm -> ctx.getAlarmService().createOrUpdateAlarm(alarm), ctx.getDbCallbackExecutor());
-        return Futures.transform(asyncCreated, (Function<Alarm, AlarmResult>) alarm -> new AlarmResult(true, false, false, alarm));
+                alarm -> ctx.getAlarmService().createOrUpdateAlarm(alarm), ctx.getDbCallbackExecutor());
+        return Futures.transform(asyncCreated, alarm -> new AlarmResult(true, false, false, alarm));
     }
 
     private ListenableFuture<AlarmResult> updateAlarm(TbContext ctx, TbMsg msg, Alarm alarm) {
@@ -85,7 +85,7 @@ public class TbCreateAlarmNode extends TbAbstractAlarmNode<TbCreateAlarmNodeConf
             return ctx.getAlarmService().createOrUpdateAlarm(alarm);
         }, ctx.getDbCallbackExecutor());
 
-        return Futures.transform(asyncUpdated, (Function<Alarm, AlarmResult>) a -> new AlarmResult(false, true, false, a));
+        return Futures.transform(asyncUpdated, a -> new AlarmResult(false, true, false, a));
     }
 
     private Alarm buildAlarm(TbMsg msg, JsonNode details, TenantId tenantId) {

@@ -43,8 +43,7 @@ public class EntitiesCustomerIdAsyncLoader {
     }
 
     private static <T extends HasCustomerId> ListenableFuture<CustomerId> getCustomerAsync(ListenableFuture<T> future) {
-        return Futures.transform(future, (AsyncFunction<HasCustomerId, CustomerId>) in -> {
-            return in != null ? Futures.immediateFuture(in.getCustomerId())
-                    : Futures.immediateFuture(null);});
+        return Futures.transformAsync(future, in -> in != null ? Futures.immediateFuture(in.getCustomerId())
+                : Futures.immediateFuture(null));
     }
 }

@@ -39,9 +39,8 @@ public class EntitiesRelatedDeviceIdAsyncLoader {
 
         ListenableFuture<List<Device>> asyncDevices = deviceService.findDevicesByQuery(query);
 
-        return Futures.transform(asyncDevices, (AsyncFunction<List<Device>, DeviceId>)
-                d -> CollectionUtils.isNotEmpty(d) ? Futures.immediateFuture(d.get(0).getId())
-                        : Futures.immediateFuture(null));
+        return Futures.transformAsync(asyncDevices, d -> CollectionUtils.isNotEmpty(d) ? Futures.immediateFuture(d.get(0).getId())
+                : Futures.immediateFuture(null));
     }
 
     private static DeviceSearchQuery buildQuery(EntityId originator, DeviceRelationsQuery deviceRelationsQuery) {

@@ -38,13 +38,11 @@ public class EntitiesRelatedEntityIdAsyncLoader {
         EntityRelationsQuery query = buildQuery(originator, relationsQuery);
         ListenableFuture<List<EntityRelation>> asyncRelation = relationService.findByQuery(query);
         if (relationsQuery.getDirection() == EntitySearchDirection.FROM) {
-            return Futures.transform(asyncRelation, (AsyncFunction<? super List<EntityRelation>, EntityId>)
-                    r -> CollectionUtils.isNotEmpty(r) ? Futures.immediateFuture(r.get(0).getTo())
-                            : Futures.immediateFuture(null));
+            return Futures.transformAsync(asyncRelation, r -> CollectionUtils.isNotEmpty(r) ? Futures.immediateFuture(r.get(0).getTo())
+                    : Futures.immediateFuture(null));
         } else if (relationsQuery.getDirection() == EntitySearchDirection.TO) {
-            return Futures.transform(asyncRelation, (AsyncFunction<? super List<EntityRelation>, EntityId>)
-                    r -> CollectionUtils.isNotEmpty(r) ? Futures.immediateFuture(r.get(0).getFrom())
-                            : Futures.immediateFuture(null));
+            return Futures.transformAsync(asyncRelation, r -> CollectionUtils.isNotEmpty(r) ? Futures.immediateFuture(r.get(0).getFrom())
+                    : Futures.immediateFuture(null));
         }
         return Futures.immediateFailedFuture(new IllegalStateException("Unknown direction"));
     }

@@ -51,7 +51,7 @@ public class EntitiesTenantIdAsyncLoader {
     }
 
     private static <T extends HasTenantId> ListenableFuture<TenantId> getTenantAsync(ListenableFuture<T> future) {
-        return Futures.transform(future, (AsyncFunction<HasTenantId, TenantId>) in -> {
+        return Futures.transformAsync(future, in -> {
             return in != null ? Futures.immediateFuture(in.getTenantId())
                     : Futures.immediateFuture(null);});
     }