| /* |
| * 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.commons.pipe.extractor; |
| |
| import org.apache.iotdb.commons.pipe.config.constant.PipeExtractorConstant; |
| import org.apache.iotdb.commons.pipe.config.plugin.env.PipeTaskExtractorRuntimeEnvironment; |
| import org.apache.iotdb.commons.pipe.task.meta.PipeTaskMeta; |
| import org.apache.iotdb.pipe.api.PipeExtractor; |
| import org.apache.iotdb.pipe.api.customizer.configuration.PipeExtractorRuntimeConfiguration; |
| import org.apache.iotdb.pipe.api.customizer.parameter.PipeParameterValidator; |
| import org.apache.iotdb.pipe.api.customizer.parameter.PipeParameters; |
| |
| import java.util.Arrays; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import static org.apache.iotdb.commons.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_EXCLUSION_DEFAULT_VALUE; |
| import static org.apache.iotdb.commons.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_EXCLUSION_KEY; |
| import static org.apache.iotdb.commons.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_INCLUSION_DEFAULT_VALUE; |
| import static org.apache.iotdb.commons.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_INCLUSION_KEY; |
| import static org.apache.iotdb.commons.pipe.config.constant.PipeExtractorConstant.SOURCE_EXCLUSION_KEY; |
| import static org.apache.iotdb.commons.pipe.config.constant.PipeExtractorConstant.SOURCE_INCLUSION_KEY; |
| import static org.apache.iotdb.commons.pipe.datastructure.options.PipeInclusionOptions.hasAtLeastOneOption; |
| import static org.apache.iotdb.commons.pipe.datastructure.options.PipeInclusionOptions.optionsAreAllLegal; |
| |
| public abstract class IoTDBExtractor implements PipeExtractor { |
| |
| // Record these variables to provide corresponding value to tag key of monitoring metrics |
| protected String taskID; |
| protected String pipeName; |
| protected long creationTime; |
| protected int regionId; |
| protected PipeTaskMeta pipeTaskMeta; |
| |
| protected boolean isForwardingPipeRequests; |
| |
| // The value is always true after the first start even the extractor is closed |
| protected final AtomicBoolean hasBeenStarted = new AtomicBoolean(false); |
| |
| @Override |
| public void validate(PipeParameterValidator validator) throws Exception { |
| validator |
| .validate( |
| args -> optionsAreAllLegal((String) args), |
| "The 'inclusion' string contains illegal path.", |
| validator |
| .getParameters() |
| .getStringOrDefault( |
| Arrays.asList(EXTRACTOR_INCLUSION_KEY, SOURCE_INCLUSION_KEY), |
| EXTRACTOR_INCLUSION_DEFAULT_VALUE)) |
| .validate( |
| args -> optionsAreAllLegal((String) args), |
| "The 'inclusion.exclusion' string contains illegal path.", |
| validator |
| .getParameters() |
| .getStringOrDefault( |
| Arrays.asList(EXTRACTOR_EXCLUSION_KEY, SOURCE_EXCLUSION_KEY), |
| EXTRACTOR_EXCLUSION_DEFAULT_VALUE)) |
| .validate( |
| args -> hasAtLeastOneOption((String) args[0], (String) args[1]), |
| "The pipe inclusion content can't be empty.", |
| validator |
| .getParameters() |
| .getStringOrDefault( |
| Arrays.asList(EXTRACTOR_INCLUSION_KEY, SOURCE_INCLUSION_KEY), |
| EXTRACTOR_INCLUSION_DEFAULT_VALUE), |
| validator |
| .getParameters() |
| .getStringOrDefault( |
| Arrays.asList(EXTRACTOR_EXCLUSION_KEY, SOURCE_EXCLUSION_KEY), |
| EXTRACTOR_EXCLUSION_DEFAULT_VALUE)); |
| } |
| |
| @Override |
| public void customize(PipeParameters parameters, PipeExtractorRuntimeConfiguration configuration) |
| throws Exception { |
| final PipeTaskExtractorRuntimeEnvironment environment = |
| ((PipeTaskExtractorRuntimeEnvironment) configuration.getRuntimeEnvironment()); |
| regionId = environment.getRegionId(); |
| pipeName = environment.getPipeName(); |
| creationTime = environment.getCreationTime(); |
| taskID = pipeName + "_" + regionId + "_" + creationTime; |
| pipeTaskMeta = environment.getPipeTaskMeta(); |
| |
| isForwardingPipeRequests = |
| parameters.getBooleanOrDefault( |
| Arrays.asList( |
| PipeExtractorConstant.EXTRACTOR_FORWARDING_PIPE_REQUESTS_KEY, |
| PipeExtractorConstant.SOURCE_FORWARDING_PIPE_REQUESTS_KEY), |
| PipeExtractorConstant.EXTRACTOR_FORWARDING_PIPE_REQUESTS_DEFAULT_VALUE); |
| } |
| |
| @Override |
| public void start() throws Exception { |
| if (hasBeenStarted.get()) { |
| return; |
| } |
| hasBeenStarted.set(true); |
| } |
| } |