Merge pull request #14240 from thingsboard/rc

rc

application/src/main/java/org/thingsboard/server/actors/device/DeviceActorMessageProcessor.java

@@ -115,14 +115,9 @@ import java.util.concurrent.TimeUnit;
 import java.util.function.Consumer;
 import java.util.stream.Collectors;
 
-
-/**
- * @author Andrew Shvayka
- */
 @Slf4j
 public class DeviceActorMessageProcessor extends AbstractContextAwareMsgProcessor {
 
-    static final String SESSION_TIMEOUT_MESSAGE = "session timeout!";
     final TenantId tenantId;
     final DeviceId deviceId;
     final LinkedHashMapRemoveEldest<UUID, SessionInfoMetaData> sessions;
@@ -178,7 +173,7 @@ public class DeviceActorMessageProcessor extends AbstractContextAwareMsgProcesso
     private EdgeId findRelatedEdgeId() {
         List<EntityRelation> result =
                 systemContext.getRelationService().findByToAndType(tenantId, deviceId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.EDGE);
-        if (result != null && result.size() > 0) {
+        if (result != null && !result.isEmpty()) {
             EntityRelation relationToEdge = result.get(0);
             if (relationToEdge.getFrom() != null && relationToEdge.getFrom().getId() != null) {
                 log.trace("[{}][{}] found edge [{}] for device", tenantId, deviceId, relationToEdge.getFrom().getId());
@@ -501,7 +496,7 @@ public class DeviceActorMessageProcessor extends AbstractContextAwareMsgProcesso
         UUID sessionId = getSessionId(sessionInfo);
         DeviceId deviceId = new DeviceId(new UUID(msg.getDeviceIdMSB(), msg.getDeviceIdLSB()));
         ListenableFuture<Void> registrationFuture = systemContext.getClaimDevicesService()
-                        .registerClaimingInfo(tenantId, deviceId, msg.getSecretKey(), msg.getDurationMs());
+                .registerClaimingInfo(tenantId, deviceId, msg.getSecretKey(), msg.getDurationMs());
         Futures.addCallback(registrationFuture, new FutureCallback<>() {
             @Override
             public void onSuccess(Void result) {
@@ -723,7 +718,7 @@ public class DeviceActorMessageProcessor extends AbstractContextAwareMsgProcesso
                         toDeviceRpcPendingMap.remove(requestId);
                         status = RpcStatus.FAILED;
                         response = JacksonUtil.newObjectNode().put("error", "There was a Timeout and all retry " +
-                                                                            "attempts have been exhausted. Retry attempts set: " + maxRpcRetries);
+                                "attempts have been exhausted. Retry attempts set: " + maxRpcRetries);
                     }
                 } else {
                     md.setRetries(md.getRetries() + 1);

application/src/main/java/org/thingsboard/server/service/sync/ie/importing/csv/AbstractBulkImportService.java

@@ -193,7 +193,7 @@ public abstract class AbstractBulkImportService<E extends HasId<? extends Entity
                             });
                     return Map.entry(kvType, kvs);
                 })
-                .filter(kvsEntry -> kvsEntry.getValue().entrySet().size() > 0)
+                .filter(kvsEntry -> !kvsEntry.getValue().entrySet().isEmpty())
                 .forEach(kvsEntry -> {
                     BulkImportColumnType kvType = kvsEntry.getKey();
                     if (kvType == BulkImportColumnType.SHARED_ATTRIBUTE || kvType == BulkImportColumnType.SERVER_ATTRIBUTE) {

application/src/test/java/org/thingsboard/server/transport/coap/security/AbstractCoapSecurityIntegrationTest.java

@@ -64,6 +64,7 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
         "coap.server.enabled=true",
         "coap.dtls.enabled=true",
         "coap.dtls.credentials.pem.cert_file=coap/credentials/server/cert.pem",
+        "coap.dtls.x509.skip_validity_check_for_client_cert=true",
         "device.connectivity.coaps.enabled=true",
         "service.integrations.supported=ALL",
         "transport.coap.enabled=true",

common/data/src/main/java/org/thingsboard/server/common/data/security/DeviceCredentials.java

@@ -24,11 +24,15 @@ import org.thingsboard.server.common.data.HasVersion;
 import org.thingsboard.server.common.data.id.DeviceCredentialsId;
 import org.thingsboard.server.common.data.id.DeviceId;
 
+import java.io.Serial;
+
 @Schema
 @EqualsAndHashCode(callSuper = true)
 public class DeviceCredentials extends BaseData<DeviceCredentialsId> implements DeviceCredentialsFilter, HasVersion {
 
+    @Serial
     private static final long serialVersionUID = -7869261127032877765L;
+
     private DeviceId deviceId;
     private DeviceCredentialsType credentialsType;
     private String credentialsId;

common/message/src/main/java/org/thingsboard/server/common/msg/rule/engine/DeviceAttributesEventNotificationMsg.java

@@ -23,16 +23,15 @@ import org.thingsboard.server.common.data.kv.AttributeKvEntry;
 import org.thingsboard.server.common.msg.MsgType;
 import org.thingsboard.server.common.msg.ToDeviceActorNotificationMsg;
 
+import java.io.Serial;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-/**
- * @author Andrew Shvayka
- */
 @Data
 public class DeviceAttributesEventNotificationMsg implements ToDeviceActorNotificationMsg {
 
+    @Serial
     private static final long serialVersionUID = 2422071590415277039L;
 
     private final TenantId tenantId;
@@ -56,4 +55,5 @@ public class DeviceAttributesEventNotificationMsg implements ToDeviceActorNotifi
     public MsgType getMsgType() {
         return MsgType.DEVICE_ATTRIBUTES_UPDATE_TO_DEVICE_ACTOR_MSG;
     }
+
 }

common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttSslHandlerProvider.java

@@ -46,9 +46,6 @@ import java.security.cert.X509Certificate;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 
-/**
- * Created by valerii.sosliuk on 11/6/16.
- */
 @Slf4j
 @Component("MqttSslHandlerProvider")
 @ConditionalOnProperty(prefix = "transport.mqtt.ssl", value = "enabled", havingValue = "true", matchIfMissing = false)

common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportHandler.java

@@ -133,9 +133,6 @@ import static org.thingsboard.server.transport.mqtt.util.sparkplug.SparkplugMetr
 import static org.thingsboard.server.transport.mqtt.util.sparkplug.SparkplugTopic.parseTopic;
 import static org.thingsboard.server.transport.mqtt.util.sparkplug.SparkplugTopicService.parseTopicPublish;
 
-/**
- * @author Andrew Shvayka
- */
 @Slf4j
 public class MqttTransportHandler extends ChannelInboundHandlerAdapter implements GenericFutureListener<Future<? super Void>>, SessionMsgListener {
 

common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportServerInitializer.java

@@ -25,9 +25,6 @@ import io.netty.handler.ssl.SslHandler;
 import org.thingsboard.server.transport.mqtt.limits.IpFilter;
 import org.thingsboard.server.transport.mqtt.limits.ProxyIpFilter;
 
-/**
- * @author Andrew Shvayka
- */
 public class MqttTransportServerInitializer extends ChannelInitializer<SocketChannel> {
 
     private final MqttTransportContext context;

common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttTransportService.java

@@ -35,9 +35,6 @@ import org.thingsboard.server.common.data.TbTransportService;
 
 import java.net.InetSocketAddress;
 
-/**
- * @author Andrew Shvayka
- */
 @Service("MqttTransportService")
 @TbMqttTransportComponent
 @Slf4j

common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/adaptors/JsonMqttAdaptor.java

@@ -45,10 +45,6 @@ import java.util.UUID;
 
 import static org.thingsboard.server.common.data.device.profile.MqttTopics.DEVICE_SOFTWARE_FIRMWARE_RESPONSES_TOPIC_FORMAT;
 
-
-/**
- * @author Andrew Shvayka
- */
 @Component
 @Slf4j
 public class JsonMqttAdaptor implements MqttTransportAdaptor {
@@ -122,7 +118,7 @@ public class JsonMqttAdaptor implements MqttTransportAdaptor {
     public Optional<MqttMessage> convertToGatewayPublish(MqttDeviceAwareSessionContext ctx, String deviceName, TransportProtos.GetAttributeResponseMsg responseMsg) throws AdaptorException {
         return processConvertFromGatewayAttributeResponseMsg(ctx, deviceName, responseMsg);
     }
-    
+
     @Override
     public Optional<MqttMessage> convertToPublish(MqttDeviceAwareSessionContext ctx, TransportProtos.AttributeUpdateNotificationMsg notificationMsg, String topic) {
         return Optional.of(createMqttPublishMsg(ctx, topic, JsonConverter.toJson(notificationMsg)));

common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/adaptors/MqttTransportAdaptor.java

@@ -41,9 +41,6 @@ import org.thingsboard.server.transport.mqtt.session.MqttDeviceAwareSessionConte
 
 import java.util.Optional;
 
-/**
- * @author Andrew Shvayka
- */
 public interface MqttTransportAdaptor {
 
     ByteBufAllocator ALLOCATOR = new UnpooledByteBufAllocator(false);
@@ -90,4 +87,5 @@ public interface MqttTransportAdaptor {
         payload.writeBytes(payloadInBytes);
         return new MqttPublishMessage(mqttFixedHeader, header, payload);
     }
+
 }

common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/adaptors/ProtoMqttAdaptor.java

@@ -48,7 +48,7 @@ public class ProtoMqttAdaptor implements MqttTransportAdaptor {
     public TransportProtos.PostTelemetryMsg convertToPostTelemetry(MqttDeviceAwareSessionContext ctx, MqttPublishMessage inbound) throws AdaptorException {
         DeviceSessionCtx deviceSessionCtx = (DeviceSessionCtx) ctx;
         byte[] bytes = toBytes(inbound.payload());
-        Descriptors.Descriptor telemetryDynamicMsgDescriptor = ProtoConverter.validateDescriptor(deviceSessionCtx.getTelemetryDynamicMsgDescriptor());
+        Descriptors.Descriptor telemetryDynamicMsgDescriptor = ProtoConverter.validateDescriptor(deviceSessionCtx.getTelemetryDynamicMessageDescriptor());
         try {
             return JsonConverter.convertToTelemetryProto(JsonParser.parseString(ProtoConverter.dynamicMsgToJson(bytes, telemetryDynamicMsgDescriptor)));
         } catch (Exception e) {
@@ -228,4 +228,5 @@ public class ProtoMqttAdaptor implements MqttTransportAdaptor {
     private int getRequestId(String topicName, String topic) {
         return Integer.parseInt(topicName.substring(topic.length()));
     }
+
 }

common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/session/AbstractGatewayDeviceSessionContext.java

@@ -33,9 +33,6 @@ import org.thingsboard.server.gen.transport.TransportProtos.SessionInfoProto;
 import java.util.UUID;
 import java.util.concurrent.ConcurrentMap;
 
-/**
- * Created by ashvayka on 19.01.17.
- */
 @ToString(callSuper = true)
 @Slf4j
 public abstract class AbstractGatewayDeviceSessionContext<T extends AbstractGatewaySessionHandler> extends MqttDeviceAwareSessionContext implements SessionMsgListener {

common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/session/AbstractGatewaySessionHandler.java

@@ -96,9 +96,6 @@ import static org.thingsboard.server.transport.mqtt.util.sparkplug.SparkplugConn
 import static org.thingsboard.server.transport.mqtt.util.sparkplug.SparkplugMessageType.STATE;
 import static org.thingsboard.server.transport.mqtt.util.sparkplug.SparkplugMessageType.messageName;
 
-/**
- * Created by ashvayka on 19.01.17.
- */
 @Slf4j
 public abstract class AbstractGatewaySessionHandler<T extends AbstractGatewayDeviceSessionContext> {
 
@@ -116,6 +113,7 @@ public abstract class AbstractGatewaySessionHandler<T extends AbstractGatewayDev
     @Getter
     protected final UUID sessionId;
     private final ConcurrentMap<String, Lock> deviceCreationLockMap;
+    @Getter
     private final ConcurrentMap<String, T> devices;
     private final ConcurrentMap<String, ListenableFuture<T>> deviceFutures;
     protected final ConcurrentMap<MqttTopicMatcher, Integer> mqttQoSMap;
@@ -821,11 +819,7 @@ public abstract class AbstractGatewaySessionHandler<T extends AbstractGatewayDev
         transportService.process(sessionInfo, postTelemetryMsg, pubAckCallback);
     }
 
-    public ConcurrentMap<String, T> getDevices() {
-        return this.devices;
-    }
-
-    protected <T>TransportServiceCallback<Void> getAggregatePubAckCallback(
+    protected <T> TransportServiceCallback<Void> getAggregatePubAckCallback(
             final ChannelHandlerContext ctx,
             final int msgId,
             final String deviceName,
@@ -915,4 +909,5 @@ public abstract class AbstractGatewaySessionHandler<T extends AbstractGatewayDev
             log.trace("Failed to send device disconnect to gateway session", e);
         }
     }
+
 }

common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/session/DeviceSessionCtx.java

@@ -49,9 +49,6 @@ import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReentrantLock;
 import java.util.function.Consumer;
 
-/**
- * @author Andrew Shvayka
- */
 @Slf4j
 public class DeviceSessionCtx extends MqttDeviceAwareSessionContext {
 
@@ -84,13 +81,18 @@ public class DeviceSessionCtx extends MqttDeviceAwareSessionContext {
     private volatile MqttTopicFilter attributesSubscribeTopicFilter = MqttTopicFilterFactory.getDefaultAttributesFilter();
     @Getter
     private volatile TransportPayloadType payloadType = TransportPayloadType.JSON;
+    @Getter
     private volatile Descriptors.Descriptor attributesDynamicMessageDescriptor;
+    @Getter
     private volatile Descriptors.Descriptor telemetryDynamicMessageDescriptor;
+    @Getter
     private volatile Descriptors.Descriptor rpcResponseDynamicMessageDescriptor;
+    @Getter
     private volatile DynamicMessage.Builder rpcRequestDynamicMessageBuilder;
     private volatile MqttTransportAdaptor adaptor;
     private volatile boolean jsonPayloadFormatCompatibilityEnabled;
     private volatile boolean useJsonPayloadFormatForDefaultDownlinkTopics;
+    @Getter
     private volatile boolean sendAckOnValidationException;
 
     @Getter
@@ -131,26 +133,6 @@ public class DeviceSessionCtx extends MqttDeviceAwareSessionContext {
         return payloadType.equals(TransportPayloadType.JSON);
     }
 
-    public boolean isSendAckOnValidationException() {
-        return sendAckOnValidationException;
-    }
-
-    public Descriptors.Descriptor getTelemetryDynamicMsgDescriptor() {
-        return telemetryDynamicMessageDescriptor;
-    }
-
-    public Descriptors.Descriptor getAttributesDynamicMessageDescriptor() {
-        return attributesDynamicMessageDescriptor;
-    }
-
-    public Descriptors.Descriptor getRpcResponseDynamicMessageDescriptor() {
-        return rpcResponseDynamicMessageDescriptor;
-    }
-
-    public DynamicMessage.Builder getRpcRequestDynamicMessageBuilder() {
-        return rpcRequestDynamicMessageBuilder;
-    }
-
     @Override
     public void setDeviceProfile(DeviceProfile deviceProfile) {
         super.setDeviceProfile(deviceProfile);
@@ -166,8 +148,7 @@ public class DeviceSessionCtx extends MqttDeviceAwareSessionContext {
     private void updateDeviceSessionConfiguration(DeviceProfile deviceProfile) {
         DeviceProfileTransportConfiguration transportConfiguration = deviceProfile.getProfileData().getTransportConfiguration();
         if (transportConfiguration.getType().equals(DeviceTransportType.MQTT) &&
-                transportConfiguration instanceof MqttDeviceProfileTransportConfiguration) {
-            MqttDeviceProfileTransportConfiguration mqttConfig = (MqttDeviceProfileTransportConfiguration) transportConfiguration;
+                transportConfiguration instanceof MqttDeviceProfileTransportConfiguration mqttConfig) {
             TransportPayloadTypeConfiguration transportPayloadTypeConfiguration = mqttConfig.getTransportPayloadTypeConfiguration();
             payloadType = transportPayloadTypeConfiguration.getTransportPayloadType();
             deviceProfileMqttTransportType = true;
@@ -199,16 +180,12 @@ public class DeviceSessionCtx extends MqttDeviceAwareSessionContext {
     }
 
     public MqttTransportAdaptor getAdaptor(TopicType topicType) {
-        switch (topicType) {
-            case V2:
-                return getDefaultAdaptor();
-            case V2_JSON:
-                return context.getJsonMqttAdaptor();
-            case V2_PROTO:
-                return context.getProtoMqttAdaptor();
-            default:
-                return useJsonPayloadFormatForDefaultDownlinkTopics ? context.getJsonMqttAdaptor() : getDefaultAdaptor();
-        }
+        return switch (topicType) {
+            case V2 -> getDefaultAdaptor();
+            case V2_JSON -> context.getJsonMqttAdaptor();
+            case V2_PROTO -> context.getProtoMqttAdaptor();
+            default -> useJsonPayloadFormatForDefaultDownlinkTopics ? context.getJsonMqttAdaptor() : getDefaultAdaptor();
+        };
     }
 
     private MqttTransportAdaptor getDefaultAdaptor() {
@@ -269,7 +246,7 @@ public class DeviceSessionCtx extends MqttDeviceAwareSessionContext {
         }
     }
 
-    public Collection<MqttMessage> getMsgQueueSnapshot(){
+    public Collection<MqttMessage> getMsgQueueSnapshot() {
         return Collections.unmodifiableCollection(msgQueue);
     }
 

common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/session/GatewayDeviceSessionContext.java

@@ -22,9 +22,6 @@ import org.thingsboard.server.common.transport.auth.TransportDeviceInfo;
 
 import java.util.concurrent.ConcurrentMap;
 
-/**
- * Created by nickAS21 on 26.12.22
- */
 @ToString(callSuper = true)
 public class GatewayDeviceSessionContext extends AbstractGatewayDeviceSessionContext<GatewaySessionHandler> {
 

common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/session/GatewaySessionHandler.java

@@ -28,9 +28,6 @@ import org.thingsboard.server.gen.transport.TransportProtos;
 import java.util.Optional;
 import java.util.UUID;
 
-/**
- * Created by nickAS21 on 26.12.22
- */
 @Slf4j
 public class GatewaySessionHandler extends AbstractGatewaySessionHandler<GatewayDeviceSessionContext> {
 

common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/session/MqttDeviceAwareSessionContext.java

@@ -25,9 +25,6 @@ import java.util.UUID;
 import java.util.concurrent.ConcurrentMap;
 import java.util.stream.Collectors;
 
-/**
- * Created by ashvayka on 30.08.18.
- */
 @ToString(callSuper = true)
 public abstract class MqttDeviceAwareSessionContext extends DeviceAwareSessionContext {
 
@@ -47,7 +44,7 @@ public abstract class MqttDeviceAwareSessionContext extends DeviceAwareSessionCo
                 .stream()
                 .filter(entry -> entry.getKey().matches(topic))
                 .map(Map.Entry::getValue)
-                .collect(Collectors.toList());
+                .toList();
         if (!qosList.isEmpty()) {
             return MqttQoS.valueOf(qosList.get(0));
         } else {

common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/session/MqttTopicMatcher.java

@@ -15,26 +15,25 @@
  */
 package org.thingsboard.server.transport.mqtt.session;
 
+import lombok.Getter;
+
 import java.util.regex.Pattern;
 
 public class MqttTopicMatcher {
 
+    @Getter
     private final String topic;
     private final Pattern topicRegex;
 
     public MqttTopicMatcher(String topic) {
-        if(topic == null){
+        if (topic == null) {
             throw new NullPointerException("topic");
         }
         this.topic = topic;
         this.topicRegex = Pattern.compile(topic.replace("+", "[^/]+").replace("#", ".+") + "$");
     }
 
-    public String getTopic() {
-        return topic;
-    }
-
-    public boolean matches(String topic){
+    public boolean matches(String topic) {
         return this.topicRegex.matcher(topic).matches();
     }
 
@@ -52,4 +51,5 @@ public class MqttTopicMatcher {
     public int hashCode() {
         return topic.hashCode();
     }
+
 }

common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/session/SparkplugNodeSessionHandler.java

@@ -64,9 +64,6 @@ import static org.thingsboard.server.transport.mqtt.util.sparkplug.SparkplugMetr
 import static org.thingsboard.server.transport.mqtt.util.sparkplug.SparkplugTopicService.TOPIC_SPLIT_REGEXP;
 import static org.thingsboard.server.transport.mqtt.util.sparkplug.SparkplugTopicService.TOPIC_STATE_REGEXP;
 
-/**
- * Created by nickAS21 on 12.12.22
- */
 @Slf4j
 @SpecVersion(spec = "sparkplug", version = "3.0.0")
 public class SparkplugNodeSessionHandler extends AbstractGatewaySessionHandler<SparkplugDeviceSessionContext> {

dao/src/main/java/org/thingsboard/server/dao/device/DeviceCredentialsEvictEvent.java

@@ -18,9 +18,9 @@ package org.thingsboard.server.dao.device;
 import lombok.Data;
 
 @Data
-class DeviceCredentialsEvictEvent {
+public class DeviceCredentialsEvictEvent {
 
-    private final String newCedentialsId;
+    private final String newCredentialsId;
     private final String oldCredentialsId;
 
 }

dao/src/main/java/org/thingsboard/server/dao/device/DeviceCredentialsServiceImpl.java

@@ -47,6 +47,8 @@ import org.thingsboard.server.dao.exception.DataValidationException;
 import org.thingsboard.server.dao.exception.DeviceCredentialsValidationException;
 import org.thingsboard.server.dao.service.validator.DeviceCredentialsDataValidator;
 
+import java.util.Objects;
+
 import static org.thingsboard.server.dao.service.Validator.validateId;
 import static org.thingsboard.server.dao.service.Validator.validateString;
 
@@ -61,8 +63,8 @@ public class DeviceCredentialsServiceImpl extends AbstractCachedEntityService<St
     @TransactionalEventListener(classes = DeviceCredentialsEvictEvent.class)
     @Override
     public void handleEvictEvent(DeviceCredentialsEvictEvent event) {
-        cache.evict(event.getNewCedentialsId());
-        if (StringUtils.isNotEmpty(event.getOldCredentialsId()) && !event.getNewCedentialsId().equals(event.getOldCredentialsId())) {
+        cache.evict(event.getNewCredentialsId());
+        if (StringUtils.isNotEmpty(event.getOldCredentialsId()) && !event.getNewCredentialsId().equals(event.getOldCredentialsId())) {
             cache.evict(event.getOldCredentialsId());
         }
     }
@@ -107,7 +109,7 @@ public class DeviceCredentialsServiceImpl extends AbstractCachedEntityService<St
         try {
             var value = deviceCredentialsDao.saveAndFlush(tenantId, deviceCredentials);
             publishEvictEvent(new DeviceCredentialsEvictEvent(value.getCredentialsId(), oldDeviceCredentials != null ? oldDeviceCredentials.getCredentialsId() : null));
-            if (oldDeviceCredentials != null) {
+            if (oldDeviceCredentials != null && isCredentialsChanged(oldDeviceCredentials, value)) {
                 eventPublisher.publishEvent(ActionEntityEvent.builder().tenantId(tenantId).entity(value).entityId(value.getDeviceId()).actionType(ActionType.CREDENTIALS_UPDATED).build());
             }
             return value;
@@ -140,13 +142,11 @@ public class DeviceCredentialsServiceImpl extends AbstractCachedEntityService<St
 
     @Override
     public JsonNode toCredentialsInfo(DeviceCredentials deviceCredentials) {
-        switch (deviceCredentials.getCredentialsType()) {
-            case ACCESS_TOKEN:
-                return JacksonUtil.valueToTree(deviceCredentials.getCredentialsId());
-            case X509_CERTIFICATE:
-                return JacksonUtil.valueToTree(deviceCredentials.getCredentialsValue());
-        }
-        return JacksonUtil.fromString(deviceCredentials.getCredentialsValue(), JsonNode.class);
+        return switch (deviceCredentials.getCredentialsType()) {
+            case ACCESS_TOKEN -> JacksonUtil.valueToTree(deviceCredentials.getCredentialsId());
+            case X509_CERTIFICATE -> JacksonUtil.valueToTree(deviceCredentials.getCredentialsValue());
+            default -> JacksonUtil.fromString(deviceCredentials.getCredentialsValue(), JsonNode.class);
+        };
     }
 
     private void formatSimpleMqttCredentials(DeviceCredentials deviceCredentials) {
@@ -407,4 +407,11 @@ public class DeviceCredentialsServiceImpl extends AbstractCachedEntityService<St
         }
     }
 
+    private boolean isCredentialsChanged(DeviceCredentials oldCredentials, DeviceCredentials newCredentials) {
+        return !Objects.equals(oldCredentials.getCredentialsId(), newCredentials.getCredentialsId())
+                || oldCredentials.getCredentialsType() != newCredentials.getCredentialsType()
+                || !Objects.equals(oldCredentials.getCredentialsValue(), newCredentials.getCredentialsValue())
+                || !Objects.equals(oldCredentials.getDeviceId(), newCredentials.getDeviceId());
+    }
+
 }

dao/src/test/java/org/thingsboard/server/dao/service/DeviceCredentialsServiceTest.java

@@ -19,7 +19,10 @@ import com.datastax.oss.driver.api.core.uuid.Uuids;
 import org.junit.Assert;
 import org.junit.Test;
 import org.junit.jupiter.api.Assertions;
+import org.mockito.Mockito;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationEventPublisher;
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
 import org.thingsboard.server.common.data.Device;
 import org.thingsboard.server.common.data.id.DeviceCredentialsId;
 import org.thingsboard.server.common.data.id.DeviceId;
@@ -27,6 +30,7 @@ import org.thingsboard.server.common.data.security.DeviceCredentials;
 import org.thingsboard.server.common.data.security.DeviceCredentialsType;
 import org.thingsboard.server.dao.device.DeviceCredentialsService;
 import org.thingsboard.server.dao.device.DeviceService;
+import org.thingsboard.server.dao.eventsourcing.ActionEntityEvent;
 import org.thingsboard.server.dao.exception.DataValidationException;
 
 @DaoSqlTest
@@ -36,6 +40,8 @@ public class DeviceCredentialsServiceTest extends AbstractServiceTest {
     DeviceCredentialsService deviceCredentialsService;
     @Autowired
     DeviceService deviceService;
+    @MockitoBean
+    ApplicationEventPublisher eventPublisher;
 
     @Test
     public void testCreateDeviceCredentials() {
@@ -185,5 +191,39 @@ public class DeviceCredentialsServiceTest extends AbstractServiceTest {
         Assert.assertEquals(deviceCredentials, foundDeviceCredentials);
         deviceService.deleteDevice(tenantId, savedDevice.getId());
     }
-}
 
+    @Test
+    public void testUpdateDeviceCredentialsWithSameValuesDoesNotPublishEvent() {
+        Device device = new Device();
+        device.setTenantId(tenantId);
+        device.setName("My device");
+        device.setType("default");
+        Device savedDevice = deviceService.saveDevice(device);
+
+        try {
+            DeviceCredentials deviceCredentials = deviceCredentialsService.findDeviceCredentialsByDeviceId(tenantId, savedDevice.getId());
+            Assert.assertNotNull(deviceCredentials);
+
+            DeviceCredentials updatedCredentials = new DeviceCredentials(deviceCredentials.getId());
+            updatedCredentials.setDeviceId(deviceCredentials.getDeviceId());
+            updatedCredentials.setCredentialsType(deviceCredentials.getCredentialsType());
+            updatedCredentials.setCredentialsId(deviceCredentials.getCredentialsId());
+            updatedCredentials.setCredentialsValue(deviceCredentials.getCredentialsValue());
+
+            Mockito.reset(eventPublisher);
+
+            DeviceCredentials result = deviceCredentialsService.updateDeviceCredentials(tenantId, updatedCredentials);
+
+            Assert.assertEquals(deviceCredentials.getCredentialsId(), result.getCredentialsId());
+            Assert.assertEquals(deviceCredentials.getCredentialsType(), result.getCredentialsType());
+            Assert.assertEquals(deviceCredentials.getCredentialsValue(), result.getCredentialsValue());
+            Assert.assertEquals(deviceCredentials.getDeviceId(), result.getDeviceId());
+
+            Mockito.verify(eventPublisher, Mockito.never()).publishEvent(Mockito.any(ActionEntityEvent.class));
+
+        } finally {
+            deviceService.deleteDevice(tenantId, savedDevice.getId());
+        }
+    }
+
+}

rule-engine/rule-engine-api/src/main/java/org/thingsboard/rule/engine/api/RuleEngineTelemetryService.java

@@ -15,9 +15,6 @@
  */
 package org.thingsboard.rule.engine.api;
 
-/**
- * Created by ashvayka on 02.04.18.
- */
 public interface RuleEngineTelemetryService {
 
     void saveTimeseries(TimeseriesSaveRequest request);