| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.iotdb.db.pipe.task.stage; |
| |
| import org.apache.iotdb.commons.consensus.DataRegionId; |
| import org.apache.iotdb.commons.pipe.config.constant.PipeProcessorConstant; |
| import org.apache.iotdb.commons.pipe.config.plugin.configuraion.PipeTaskRuntimeConfiguration; |
| import org.apache.iotdb.commons.pipe.config.plugin.env.PipeTaskProcessorRuntimeEnvironment; |
| import org.apache.iotdb.commons.pipe.plugin.builtin.BuiltinPipePlugin; |
| import org.apache.iotdb.commons.pipe.task.EventSupplier; |
| import org.apache.iotdb.commons.pipe.task.connection.BoundedBlockingPendingQueue; |
| import org.apache.iotdb.commons.pipe.task.meta.PipeTaskMeta; |
| import org.apache.iotdb.commons.pipe.task.stage.PipeTaskStage; |
| import org.apache.iotdb.db.pipe.agent.PipeAgent; |
| import org.apache.iotdb.db.pipe.execution.PipeProcessorSubtaskExecutor; |
| import org.apache.iotdb.db.pipe.task.connection.PipeEventCollector; |
| import org.apache.iotdb.db.pipe.task.subtask.processor.PipeProcessorSubtask; |
| import org.apache.iotdb.db.storageengine.StorageEngine; |
| import org.apache.iotdb.db.storageengine.dataregion.DataRegion; |
| import org.apache.iotdb.pipe.api.PipeConnector; |
| import org.apache.iotdb.pipe.api.PipeExtractor; |
| import org.apache.iotdb.pipe.api.PipeProcessor; |
| import org.apache.iotdb.pipe.api.customizer.configuration.PipeProcessorRuntimeConfiguration; |
| import org.apache.iotdb.pipe.api.customizer.parameter.PipeParameterValidator; |
| import org.apache.iotdb.pipe.api.customizer.parameter.PipeParameters; |
| import org.apache.iotdb.pipe.api.event.Event; |
| import org.apache.iotdb.pipe.api.exception.PipeException; |
| |
| public class PipeTaskProcessorStage extends PipeTaskStage { |
| |
| private final PipeProcessorSubtaskExecutor executor; |
| |
| private final PipeProcessorSubtask pipeProcessorSubtask; |
| |
| /** |
| * @param pipeName pipe name |
| * @param creationTime pipe creation time |
| * @param pipeProcessorParameters used to create {@link PipeProcessor} |
| * @param regionId {@link DataRegion} id |
| * @param pipeExtractorInputEventSupplier used to input {@link Event}s from {@link PipeExtractor} |
| * @param pipeConnectorOutputPendingQueue used to output {@link Event}s to {@link PipeConnector} |
| * @throws PipeException if failed to {@link PipeProcessor#validate(PipeParameterValidator)} or |
| * {@link PipeProcessor#customize(PipeParameters, PipeProcessorRuntimeConfiguration)}} |
| */ |
| public PipeTaskProcessorStage( |
| String pipeName, |
| long creationTime, |
| PipeParameters pipeProcessorParameters, |
| int regionId, |
| EventSupplier pipeExtractorInputEventSupplier, |
| BoundedBlockingPendingQueue<Event> pipeConnectorOutputPendingQueue, |
| PipeProcessorSubtaskExecutor executor, |
| PipeTaskMeta pipeTaskMeta) { |
| final PipeProcessorRuntimeConfiguration runtimeConfiguration = |
| new PipeTaskRuntimeConfiguration( |
| new PipeTaskProcessorRuntimeEnvironment( |
| pipeName, creationTime, regionId, pipeTaskMeta)); |
| final PipeProcessor pipeProcessor = |
| StorageEngine.getInstance().getAllDataRegionIds().contains(new DataRegionId(regionId)) |
| ? PipeAgent.plugin() |
| .dataRegion() |
| .getConfiguredProcessor( |
| pipeProcessorParameters.getStringOrDefault( |
| PipeProcessorConstant.PROCESSOR_KEY, |
| BuiltinPipePlugin.DO_NOTHING_PROCESSOR.getPipePluginName()), |
| pipeProcessorParameters, |
| runtimeConfiguration) |
| : PipeAgent.plugin() |
| .schemaRegion() |
| .getConfiguredProcessor( |
| pipeProcessorParameters.getStringOrDefault( |
| PipeProcessorConstant.PROCESSOR_KEY, |
| BuiltinPipePlugin.DO_NOTHING_PROCESSOR.getPipePluginName()), |
| pipeProcessorParameters, |
| runtimeConfiguration); |
| |
| // Should add creation time in taskID, because subtasks are stored in the hashmap |
| // PipeProcessorSubtaskWorker.subtasks, and deleted subtasks will be removed by |
| // a timed thread. If a pipe is deleted and created again before its subtask is |
| // removed, the new subtask will have the same pipeName and regionId as the |
| // old one, so we need creationTime to make their hash code different in the map. |
| final String taskId = pipeName + "_" + regionId + "_" + creationTime; |
| final PipeEventCollector pipeConnectorOutputEventCollector = |
| new PipeEventCollector(pipeConnectorOutputPendingQueue, creationTime, regionId); |
| this.pipeProcessorSubtask = |
| new PipeProcessorSubtask( |
| taskId, |
| creationTime, |
| pipeName, |
| regionId, |
| pipeExtractorInputEventSupplier, |
| pipeProcessor, |
| pipeConnectorOutputEventCollector); |
| |
| this.executor = executor; |
| } |
| |
| @Override |
| public void createSubtask() throws PipeException { |
| executor.register(pipeProcessorSubtask); |
| } |
| |
| @Override |
| public void startSubtask() throws PipeException { |
| executor.start(pipeProcessorSubtask.getTaskID()); |
| } |
| |
| @Override |
| public void stopSubtask() throws PipeException { |
| executor.stop(pipeProcessorSubtask.getTaskID()); |
| } |
| |
| @Override |
| public void dropSubtask() throws PipeException { |
| executor.deregister(pipeProcessorSubtask.getTaskID()); |
| } |
| } |