diff --git a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/transform/TbSplitArrayMsgNode.java b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/transform/TbSplitArrayMsgNode.java new file mode 100644 index 0000000000..8050f9e492 --- /dev/null +++ b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/transform/TbSplitArrayMsgNode.java @@ -0,0 +1,85 @@ +/** + * Copyright © 2016-2022 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.transform; + +import com.fasterxml.jackson.databind.JsonNode; +import com.fasterxml.jackson.databind.node.ArrayNode; +import lombok.extern.slf4j.Slf4j; +import org.thingsboard.common.util.JacksonUtil; +import org.thingsboard.rule.engine.api.EmptyNodeConfiguration; +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.util.TbNodeUtils; +import org.thingsboard.server.common.data.plugin.ComponentType; +import org.thingsboard.server.common.msg.TbMsg; + +import java.util.ArrayList; +import java.util.List; +import java.util.concurrent.ExecutionException; + +@Slf4j +@RuleNode( + type = ComponentType.EXTERNAL, + name = "split array msg", + configClazz = EmptyNodeConfiguration.class, + nodeDescription = "Split array message into several msgs", + nodeDetails = "", + icon = "functions", + configDirective = "tbNodeEmptyConfig" +) +public class TbSplitArrayMsgNode implements TbNode { + + EmptyNodeConfiguration config; + + @Override + public void init(TbContext ctx, TbNodeConfiguration configuration) throws TbNodeException { + this.config = TbNodeUtils.convert(configuration, EmptyNodeConfiguration.class); + } + + @Override + public void onMsg(TbContext ctx, TbMsg msg) throws ExecutionException, InterruptedException, TbNodeException { + JsonNode jsonNode = JacksonUtil.toJsonNode(msg.getData()); + if (jsonNode.isArray()) { + ArrayNode data = (ArrayNode) jsonNode; + List messages = new ArrayList<>(); + data.forEach(msgNode -> { + messages.add(createNewMsg(msg, msgNode)); + }); + ctx.ack(msg); + if (messages.size() == 1) { + ctx.tellSuccess(messages.get(0)); + } else { + for (TbMsg newMsg : messages) { + ctx.tellSuccess(newMsg); + } + } + } else { + ctx.tellSuccess(msg); + } + } + + private TbMsg createNewMsg(TbMsg msg, JsonNode msgNode) { + return TbMsg.newMsg(msg.getQueueName(), msg.getType(), msg.getOriginator(), msg.getMetaData(), JacksonUtil.toString(msgNode)); + } + + @Override + public void destroy() { + + } +} diff --git a/rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/transform/TbSplitArrayMsgNodeTest.java b/rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/transform/TbSplitArrayMsgNodeTest.java new file mode 100644 index 0000000000..890f3d24dd --- /dev/null +++ b/rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/transform/TbSplitArrayMsgNodeTest.java @@ -0,0 +1,136 @@ +/** + * Copyright © 2016-2022 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.transform; + +import com.fasterxml.jackson.databind.JsonNode; +import com.fasterxml.jackson.databind.ObjectMapper; +import com.fasterxml.jackson.databind.node.ArrayNode; +import org.junit.jupiter.api.AfterEach; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; +import org.mockito.ArgumentCaptor; +import org.thingsboard.common.util.JacksonUtil; +import org.thingsboard.rule.engine.api.EmptyNodeConfiguration; +import org.thingsboard.rule.engine.api.TbContext; +import org.thingsboard.rule.engine.api.TbNodeConfiguration; +import org.thingsboard.rule.engine.api.TbNodeException; +import org.thingsboard.server.common.data.id.DeviceId; +import org.thingsboard.server.common.data.id.EntityId; +import org.thingsboard.server.common.msg.TbMsg; +import org.thingsboard.server.common.msg.TbMsgMetaData; +import org.thingsboard.server.common.msg.queue.TbMsgCallback; + +import java.util.Map; +import java.util.UUID; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.never; +import static org.mockito.Mockito.spy; +import static org.mockito.Mockito.times; +import static org.mockito.Mockito.verify; + +public class TbSplitArrayMsgNodeTest { + final ObjectMapper mapper = new ObjectMapper(); + + DeviceId deviceId; + TbSplitArrayMsgNode node; + EmptyNodeConfiguration config; + TbNodeConfiguration nodeConfiguration; + TbContext ctx; + TbMsgCallback callback; + + @BeforeEach + void setUp() throws TbNodeException { + deviceId = new DeviceId(UUID.randomUUID()); + callback = mock(TbMsgCallback.class); + ctx = mock(TbContext.class); + config = new EmptyNodeConfiguration(); + nodeConfiguration = new TbNodeConfiguration(mapper.valueToTree(config)); + node = spy(new TbSplitArrayMsgNode()); + node.init(ctx, nodeConfiguration); + } + + @AfterEach + void tearDown() { + node.destroy(); + } + + @Test + void givenDefaultConfig_whenInit_thenOK() { + assertThat(node.config).isEqualTo(config); + } + + @Test + void givenFewMsg_whenOnMsg_thenVerifyOutput() throws Exception { + String data = "[{\"Attribute_1\":22.5,\"Attribute_2\":10.3}, {\"Attribute_1\":1,\"Attribute_2\":2}]"; + VerifyOutputMsg(data); + } + + @Test + void givenOneMsg_whenOnMsg_thenVerifyOutput() throws Exception { + String data = "[{\"Attribute_1\":22.5,\"Attribute_2\":10.3}]"; + VerifyOutputMsg(data); + } + + @Test + void givenZeroMsg_whenOnMsg_thenVerifyOutput() throws Exception { + String data = "[]"; + VerifyOutputMsg(data); + } + + @Test + void givenNoArrayMsg_whenOnMsg_thenVerifyOutput() throws Exception { + String data = "{\"Attribute_1\":22.5,\"Attribute_2\":10.3}"; + JsonNode dataNode = JacksonUtil.toJsonNode(data); + TbMsg msg = getTbMsg(deviceId, dataNode.toString()); + node.onMsg(ctx, msg); + + ArgumentCaptor newMsgCaptor = ArgumentCaptor.forClass(TbMsg.class); + verify(ctx, times(1)).tellSuccess(newMsgCaptor.capture()); + verify(ctx, never()).tellFailure(any(), any()); + + TbMsg newMsg = newMsgCaptor.getValue(); + assertThat(newMsg).isNotNull(); + + assertThat(newMsg).isSameAs(msg); + } + + private void VerifyOutputMsg(String data) throws Exception { + ArrayNode dataNode = (ArrayNode) JacksonUtil.toJsonNode(data); + node.onMsg(ctx, getTbMsg(deviceId, dataNode.toString())); + + ArgumentCaptor newMsgCaptor = ArgumentCaptor.forClass(TbMsg.class); + verify(ctx, times(dataNode.size())).tellSuccess(newMsgCaptor.capture()); + verify(ctx, never()).tellFailure(any(), any()); + + if (!dataNode.isEmpty()) { + TbMsg newMsg = newMsgCaptor.getValue(); + assertThat(newMsg).isNotNull(); + + assertThat(newMsg.getData()).isEqualTo(dataNode.get(dataNode.size() - 1).toString()); + } + } + + private TbMsg getTbMsg(EntityId entityId, String data) { + Map mdMap = Map.of( + "country", "US", + "city", "NY" + ); + return TbMsg.newMsg("POST_ATTRIBUTES_REQUEST", entityId, new TbMsgMetaData(mdMap), data, callback); + } +} \ No newline at end of file