diff --git a/application/src/main/java/org/thingsboard/server/actors/ruleChain/DefaultTbContext.java b/application/src/main/java/org/thingsboard/server/actors/ruleChain/DefaultTbContext.java index e3896b87a9..38d6f4bccb 100644 --- a/application/src/main/java/org/thingsboard/server/actors/ruleChain/DefaultTbContext.java +++ b/application/src/main/java/org/thingsboard/server/actors/ruleChain/DefaultTbContext.java @@ -56,6 +56,7 @@ import org.thingsboard.server.common.data.rule.RuleNodeState; import org.thingsboard.server.common.msg.TbActorMsg; import org.thingsboard.server.common.msg.TbMsg; import org.thingsboard.server.common.msg.TbMsgMetaData; +import org.thingsboard.server.common.msg.TbMsgProcessingStackItem; import org.thingsboard.server.common.msg.queue.ServiceQueue; import org.thingsboard.server.common.msg.queue.ServiceType; import org.thingsboard.server.common.msg.queue.TopicPartitionInfo; @@ -134,6 +135,25 @@ class DefaultTbContext implements TbContext { scheduleMsgWithDelay(new RuleNodeToSelfMsg(this, msg), delayMs, nodeCtx.getSelfActor()); } + @Override + public void input(TbMsg msg, RuleChainId ruleChainId) { + msg.pushToStack(nodeCtx.getSelf().getRuleChainId(), nodeCtx.getSelf().getId()); + nodeCtx.getChainActor().tell(new RuleChainInputMsg(ruleChainId, msg)); + } + + @Override + public void output(TbMsg msg, String relationType) { + TbMsgProcessingStackItem item = msg.popFormStack(); + if (item == null) { + ack(msg); + } else { + if (nodeCtx.getSelf().isDebugMode()) { + mainCtx.persistDebugOutput(nodeCtx.getTenantId(), nodeCtx.getSelf().getId(), msg, relationType); + } + nodeCtx.getChainActor().tell(new RuleChainOutputMsg(item.getRuleChainId(), item.getRuleNodeId(), relationType, msg)); + } + } + @Override public void enqueue(TbMsg tbMsg, Runnable onSuccess, Consumer onFailure) { TopicPartitionInfo tpi = mainCtx.resolve(ServiceType.TB_RULE_ENGINE, getTenantId(), tbMsg.getOriginator()); diff --git a/application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleChainActor.java b/application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleChainActor.java index c019e64e1f..48785bda75 100644 --- a/application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleChainActor.java +++ b/application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleChainActor.java @@ -60,6 +60,12 @@ public class RuleChainActor extends ComponentActor { + private static final String NA_RELATION_TYPE = ""; private final TbActorRef parent; private final TbActorRef self; private final Map nodeActors; @@ -201,33 +202,58 @@ public class RuleChainActorMessageProcessor extends ComponentMsgProcessor 0) { @@ -167,7 +173,7 @@ public final class TbMsg implements Serializable { this.data = data; this.ruleChainId = ruleChainId; this.ruleNodeId = ruleNodeId; - this.ruleNodeExecCounter = new AtomicInteger(ruleNodeExecCounter); + this.ctx = ctx != null ? ctx : new TbMsgProcessingCtx(); if (callback != null) { this.callback = callback; } else { @@ -209,7 +215,8 @@ public final class TbMsg implements Serializable { builder.setDataType(msg.getDataType().ordinal()); builder.setData(msg.getData()); - builder.setRuleNodeExecCounter(msg.ruleNodeExecCounter.get()); + + builder.setCtx(msg.ctx.toProto()); return builder.build().toByteArray(); } @@ -231,8 +238,17 @@ public final class TbMsg implements Serializable { ruleNodeId = new RuleNodeId(new UUID(proto.getRuleNodeIdMSB(), proto.getRuleNodeIdLSB())); } + TbMsgProcessingCtx ctx; + if (proto.hasCtx()) { + ctx = TbMsgProcessingCtx.fromProto(proto.getCtx()); + } else { + // Backward compatibility with unprocessed messages fetched from queue after update. + ctx = new TbMsgProcessingCtx(proto.getRuleNodeExecCounter()); + } + TbMsgDataType dataType = TbMsgDataType.values()[proto.getDataType()]; - return new TbMsg(queueName, UUID.fromString(proto.getId()), proto.getTs(), proto.getType(), entityId, customerId, metaData, dataType, proto.getData(), ruleChainId, ruleNodeId, proto.getRuleNodeExecCounter(), callback); + return new TbMsg(queueName, UUID.fromString(proto.getId()), proto.getTs(), proto.getType(), entityId, customerId, + metaData, dataType, proto.getData(), ruleChainId, ruleNodeId, ctx, callback); } catch (InvalidProtocolBufferException e) { throw new IllegalStateException("Could not parse protobuf for TbMsg", e); } @@ -243,11 +259,13 @@ public final class TbMsg implements Serializable { } public TbMsg copyWithRuleChainId(RuleChainId ruleChainId, UUID msgId) { - return new TbMsg(this.queueName, msgId, this.ts, this.type, this.originator, this.customerId, this.metaData, this.dataType, this.data, ruleChainId, null, this.ruleNodeExecCounter.get(), callback); + return new TbMsg(this.queueName, msgId, this.ts, this.type, this.originator, this.customerId, + this.metaData, this.dataType, this.data, ruleChainId, null, this.ctx, callback); } public TbMsg copyWithRuleNodeId(RuleChainId ruleChainId, RuleNodeId ruleNodeId, UUID msgId) { - return new TbMsg(this.queueName, msgId, this.ts, this.type, this.originator, this.customerId, this.metaData, this.dataType, this.data, ruleChainId, ruleNodeId, this.ruleNodeExecCounter.get(), callback); + return new TbMsg(this.queueName, msgId, this.ts, this.type, this.originator, this.customerId, + this.metaData, this.dataType, this.data, ruleChainId, ruleNodeId, this.ctx, callback); } public TbMsgCallback getCallback() { @@ -262,4 +280,12 @@ public final class TbMsg implements Serializable { public String getQueueName() { return queueName != null ? queueName : ServiceQueue.MAIN; } + + public void pushToStack(RuleChainId ruleChainId, RuleNodeId ruleNodeId) { + ctx.push(ruleChainId, ruleNodeId); + } + + public TbMsgProcessingStackItem popFormStack() { + return ctx.pop(); + } } diff --git a/common/message/src/main/java/org/thingsboard/server/common/msg/TbMsgProcessingCtx.java b/common/message/src/main/java/org/thingsboard/server/common/msg/TbMsgProcessingCtx.java new file mode 100644 index 0000000000..9f3b78fffa --- /dev/null +++ b/common/message/src/main/java/org/thingsboard/server/common/msg/TbMsgProcessingCtx.java @@ -0,0 +1,94 @@ +/** + * Copyright © 2016-2021 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.common.msg; + +import org.thingsboard.server.common.data.id.RuleChainId; +import org.thingsboard.server.common.data.id.RuleNodeId; +import org.thingsboard.server.common.msg.gen.MsgProtos; + +import java.io.Serializable; +import java.util.LinkedList; +import java.util.List; +import java.util.UUID; +import java.util.concurrent.atomic.AtomicInteger; + +/** + * Created by ashvayka on 13.01.18. + */ +public final class TbMsgProcessingCtx implements Serializable { + + private final AtomicInteger ruleNodeExecCounter; + private volatile LinkedList stack; + + public TbMsgProcessingCtx() { + this(0); + } + + public TbMsgProcessingCtx(int ruleNodeExecCounter) { + this(ruleNodeExecCounter, null); + } + + protected TbMsgProcessingCtx(int ruleNodeExecCounter, LinkedList stack) { + this.ruleNodeExecCounter = new AtomicInteger(ruleNodeExecCounter); + this.stack = stack; + } + + public int getAndIncrementRuleNodeCounter() { + return ruleNodeExecCounter.getAndIncrement(); + } + + public TbMsgProcessingCtx copy() { + return new TbMsgProcessingCtx(ruleNodeExecCounter.get()); + } + + public void push(RuleChainId ruleChainId, RuleNodeId ruleNodeId) { + if (stack == null) { + stack = new LinkedList<>(); + } + stack.add(new TbMsgProcessingStackItem(ruleChainId, ruleNodeId)); + } + + public TbMsgProcessingStackItem pop() { + return !stack.isEmpty() ? stack.removeLast() : null; + } + + public static TbMsgProcessingCtx fromProto(MsgProtos.TbMsgProcessingCtxProto ctx) { + int ruleNodeExecCounter = ctx.getRuleNodeExecCounter(); + if (ctx.getStackCount() > 0) { + LinkedList stack = new LinkedList<>(); + for (MsgProtos.TbMsgProcessingStackItemProto item : ctx.getStackList()) { + stack.add(new TbMsgProcessingStackItem( + new RuleChainId(new UUID(item.getRuleChainIdMSB(), item.getRuleChainIdLSB())), + new RuleNodeId(new UUID(item.getRuleNodeIdMSB(), item.getRuleNodeIdLSB())) + )); + } + return new TbMsgProcessingCtx(ruleNodeExecCounter, stack); + } else { + return new TbMsgProcessingCtx(ruleNodeExecCounter); + } + } + + public MsgProtos.TbMsgProcessingCtxProto toProto() { + var ctxBuilder = MsgProtos.TbMsgProcessingCtxProto.newBuilder(); + ctxBuilder.setRuleNodeExecCounter(ruleNodeExecCounter.get()); + if (stack != null) { + for (TbMsgProcessingStackItem item : stack) { + ctxBuilder.addStack(item.toProto()); + } + } + return ctxBuilder.build(); + } +} diff --git a/common/message/src/main/java/org/thingsboard/server/common/msg/TbMsgProcessingStackItem.java b/common/message/src/main/java/org/thingsboard/server/common/msg/TbMsgProcessingStackItem.java new file mode 100644 index 0000000000..ff765594fe --- /dev/null +++ b/common/message/src/main/java/org/thingsboard/server/common/msg/TbMsgProcessingStackItem.java @@ -0,0 +1,38 @@ +/** + * Copyright © 2016-2021 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.common.msg; + +import lombok.Data; +import org.thingsboard.server.common.data.id.RuleChainId; +import org.thingsboard.server.common.data.id.RuleNodeId; +import org.thingsboard.server.common.msg.gen.MsgProtos; + +@Data +public class TbMsgProcessingStackItem { + + private final RuleChainId ruleChainId; + private final RuleNodeId ruleNodeId; + + MsgProtos.TbMsgProcessingStackItemProto toProto() { + return MsgProtos.TbMsgProcessingStackItemProto.newBuilder() + .setRuleChainIdMSB(ruleChainId.getId().getMostSignificantBits()) + .setRuleChainIdLSB(ruleChainId.getId().getLeastSignificantBits()) + .setRuleNodeIdMSB(ruleNodeId.getId().getMostSignificantBits()) + .setRuleNodeIdLSB(ruleNodeId.getId().getLeastSignificantBits()) + .build(); + } + +} diff --git a/common/message/src/main/java/org/thingsboard/server/common/msg/queue/RuleNodeException.java b/common/message/src/main/java/org/thingsboard/server/common/msg/queue/RuleNodeException.java index cd073f3a6e..44e30487d6 100644 --- a/common/message/src/main/java/org/thingsboard/server/common/msg/queue/RuleNodeException.java +++ b/common/message/src/main/java/org/thingsboard/server/common/msg/queue/RuleNodeException.java @@ -26,6 +26,7 @@ import org.thingsboard.server.common.data.rule.RuleNode; public class RuleNodeException extends RuleEngineException { private static final long serialVersionUID = -1776681087370749776L; + public static final String UNKNOWN = "Unknown"; @Getter private final String ruleChainName; @@ -45,7 +46,7 @@ public class RuleNodeException extends RuleEngineException { this.ruleChainId = ruleNode.getRuleChainId(); this.ruleNodeId = ruleNode.getId(); } else { - ruleNodeName = "Unknown"; + ruleNodeName = UNKNOWN; ruleChainId = new RuleChainId(RuleChainId.NULL_UUID); ruleNodeId = new RuleNodeId(RuleNodeId.NULL_UUID); } diff --git a/common/message/src/main/proto/tbmsg.proto b/common/message/src/main/proto/tbmsg.proto index 75f5051fbf..4d7682634b 100644 --- a/common/message/src/main/proto/tbmsg.proto +++ b/common/message/src/main/proto/tbmsg.proto @@ -19,10 +19,24 @@ package msgqueue; option java_package = "org.thingsboard.server.common.msg.gen"; option java_outer_classname = "MsgProtos"; +// Stores message metadata as map of strings message TbMsgMetaDataProto { map data = 1; } +// Stores stack of nested (caller) rule chains +message TbMsgProcessingStackItemProto { + int64 ruleChainIdMSB = 1; + int64 ruleChainIdLSB = 2; + int64 ruleNodeIdMSB = 3; + int64 ruleNodeIdLSB = 4; +} + +message TbMsgProcessingCtxProto { + int32 ruleNodeExecCounter = 1; + repeated TbMsgProcessingStackItemProto stack = 2; +} + message TbMsgProto { string id = 1; string type = 2; @@ -39,14 +53,17 @@ message TbMsgProto { TbMsgMetaDataProto metaData = 11; - //Transaction Data (12) was removed in 2.5 + // Transaction Data (12) was removed in 2.5 int32 dataType = 13; string data = 14; int64 ts = 15; + // Will be removed in 3.4. Moved to processing context int32 ruleNodeExecCounter = 16; int64 customerIdMSB = 17; int64 customerIdLSB = 18; + + TbMsgProcessingCtxProto ctx = 19; } \ No newline at end of file diff --git a/rule-engine/rule-engine-api/src/main/java/org/thingsboard/rule/engine/api/TbContext.java b/rule-engine/rule-engine-api/src/main/java/org/thingsboard/rule/engine/api/TbContext.java index 239c86ed57..206256e190 100644 --- a/rule-engine/rule-engine-api/src/main/java/org/thingsboard/rule/engine/api/TbContext.java +++ b/rule-engine/rule-engine-api/src/main/java/org/thingsboard/rule/engine/api/TbContext.java @@ -29,6 +29,7 @@ import org.thingsboard.server.common.data.id.CustomerId; import org.thingsboard.server.common.data.id.DeviceId; import org.thingsboard.server.common.data.id.EdgeId; import org.thingsboard.server.common.data.id.EntityId; +import org.thingsboard.server.common.data.id.RuleChainId; import org.thingsboard.server.common.data.id.RuleNodeId; import org.thingsboard.server.common.data.id.TenantId; import org.thingsboard.server.common.data.page.PageData; @@ -121,6 +122,24 @@ public interface TbContext { */ void enqueue(TbMsg msg, Runnable onSuccess, Consumer onFailure); + /** + * Sends message to the nested rule chain. + * Fails processing of the message if the nested rule chain is not found. + * + * @param msg - the message + * @param ruleChainId - the id of a nested rule chain + */ + void input(TbMsg msg, RuleChainId ruleChainId); + + /** + * Sends message to the caller rule chain. + * Acknowledge the message if no caller rule chain is present in processing stack + * + * @param msg - the message + * @param relationType - the relation type that will be used to route messages in the caller rule chain + */ + void output(TbMsg msg, String relationType); + /** * Puts new message to custom queue for processing * diff --git a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/flow/TbRuleChainInputNode.java b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/flow/TbRuleChainInputNode.java new file mode 100644 index 0000000000..c30dac406c --- /dev/null +++ b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/flow/TbRuleChainInputNode.java @@ -0,0 +1,65 @@ +/** + * Copyright © 2016-2021 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.rule.engine.flow; + +import lombok.extern.slf4j.Slf4j; +import org.thingsboard.rule.engine.api.RuleNode; +import org.thingsboard.rule.engine.api.TbContext; +import org.thingsboard.rule.engine.api.TbNode; +import org.thingsboard.rule.engine.api.TbNodeConfiguration; +import org.thingsboard.rule.engine.api.TbNodeException; +import org.thingsboard.rule.engine.api.TbRelationTypes; +import org.thingsboard.rule.engine.api.util.TbNodeUtils; +import org.thingsboard.server.common.data.EntityType; +import org.thingsboard.server.common.data.id.EntityIdFactory; +import org.thingsboard.server.common.data.id.RuleChainId; +import org.thingsboard.server.common.data.plugin.ComponentType; +import org.thingsboard.server.common.msg.TbMsg; + +import java.util.UUID; + +@Slf4j +@RuleNode( + type = ComponentType.ACTION, + name = "rule chain input", + configClazz = TbRuleChainInputNodeConfiguration.class, + nodeDescription = "transfers the message to another rule chain", + nodeDetails = "Allows to nest the rule chain similar to single rule node. " + + "The incoming message is forwarded to the input node of the specified target rule chain. " + + "The target rule chain may produce multiple labeled outputs. " + + "You may use the outputs to forward the results of processing to other rule nodes.", + customRelations = true +) +public class TbRuleChainInputNode implements TbNode { + + private TbRuleChainInputNodeConfiguration config; + private RuleChainId ruleChainId; + + @Override + public void init(TbContext ctx, TbNodeConfiguration configuration) throws TbNodeException { + this.config = TbNodeUtils.convert(configuration, TbRuleChainInputNodeConfiguration.class); + this.ruleChainId = new RuleChainId(UUID.fromString(config.getRuleChainId())); + } + + @Override + public void onMsg(TbContext ctx, TbMsg msg) { + ctx.input(msg, ruleChainId); + } + + @Override + public void destroy() { + } +} diff --git a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/flow/TbRuleChainInputNodeConfiguration.java b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/flow/TbRuleChainInputNodeConfiguration.java new file mode 100644 index 0000000000..b990411216 --- /dev/null +++ b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/flow/TbRuleChainInputNodeConfiguration.java @@ -0,0 +1,32 @@ +/** + * Copyright © 2016-2021 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.rule.engine.flow; + +import lombok.Data; +import org.thingsboard.rule.engine.api.NodeConfiguration; +import org.thingsboard.server.common.data.id.RuleChainId; + +@Data +public class TbRuleChainInputNodeConfiguration implements NodeConfiguration { + + private String ruleChainId; + + @Override + public TbRuleChainInputNodeConfiguration defaultConfiguration() { + return new TbRuleChainInputNodeConfiguration(); + } + +} diff --git a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/flow/TbRuleChainOutputNode.java b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/flow/TbRuleChainOutputNode.java new file mode 100644 index 0000000000..b09f1bbca5 --- /dev/null +++ b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/flow/TbRuleChainOutputNode.java @@ -0,0 +1,58 @@ +/** + * Copyright © 2016-2021 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.rule.engine.flow; + +import lombok.extern.slf4j.Slf4j; +import org.thingsboard.rule.engine.api.RuleNode; +import org.thingsboard.rule.engine.api.TbContext; +import org.thingsboard.rule.engine.api.TbNode; +import org.thingsboard.rule.engine.api.TbNodeConfiguration; +import org.thingsboard.rule.engine.api.TbNodeException; +import org.thingsboard.rule.engine.api.TbRelationTypes; +import org.thingsboard.rule.engine.api.util.TbNodeUtils; +import org.thingsboard.server.common.data.plugin.ComponentType; +import org.thingsboard.server.common.msg.TbMsg; + +@Slf4j +@RuleNode( + type = ComponentType.ACTION, + name = "rule chain output", + configClazz = TbRuleChainOutputNodeConfiguration.class, + nodeDescription = "transfers the message to the caller rule chain", + nodeDetails = "Produces output of the rule chain processing. " + + "The output is forwarded to the caller rule chain, as an output of the corresponding \"input\" rule node. " + + "The rule node configuration contains the \"label\" parameter. " + + "This parameter corresponds to the relation type of the output message, and it is used to forward messages to other rule nodes in the caller rule chain. ", + outEnabled = false +) +public class TbRuleChainOutputNode implements TbNode { + + private TbRuleChainOutputNodeConfiguration config; + + @Override + public void init(TbContext ctx, TbNodeConfiguration configuration) throws TbNodeException { + this.config = TbNodeUtils.convert(configuration, TbRuleChainOutputNodeConfiguration.class); + } + + @Override + public void onMsg(TbContext ctx, TbMsg msg) { + ctx.output(msg, config.getLabel()); + } + + @Override + public void destroy() { + } +} diff --git a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/flow/TbRuleChainOutputNodeConfiguration.java b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/flow/TbRuleChainOutputNodeConfiguration.java new file mode 100644 index 0000000000..8d220530c3 --- /dev/null +++ b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/flow/TbRuleChainOutputNodeConfiguration.java @@ -0,0 +1,35 @@ +/** + * Copyright © 2016-2021 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.rule.engine.flow; + +import lombok.Data; +import org.thingsboard.rule.engine.api.NodeConfiguration; +import org.thingsboard.rule.engine.api.TbRelationTypes; +import org.thingsboard.server.common.data.DataConstants; + +@Data +public class TbRuleChainOutputNodeConfiguration implements NodeConfiguration { + + private String label; + + @Override + public TbRuleChainOutputNodeConfiguration defaultConfiguration() { + var result = new TbRuleChainOutputNodeConfiguration(); + result.setLabel(TbRelationTypes.SUCCESS); + return result; + } + +}