| /* |
| * 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.beam.runners.dataflow.worker.fn.control; |
| |
| import com.google.api.services.dataflow.model.CounterUpdate; |
| import java.util.HashMap; |
| import java.util.Map; |
| import javax.annotation.Nullable; |
| import org.apache.beam.model.pipeline.v1.MetricsApi.MonitoringInfo; |
| import org.apache.beam.runners.core.metrics.SpecMonitoringInfoValidator; |
| import org.apache.beam.runners.dataflow.worker.DataflowExecutionContext.DataflowStepContext; |
| import org.apache.beam.runners.dataflow.worker.counters.NameContext; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.annotations.VisibleForTesting; |
| |
| /** |
| * Generic MonitoringInfo to CounterUpdate transformer for FnApi. |
| * |
| * <p>Delegates work to other transformers implementations for relevant counter types. |
| */ |
| public class FnApiMonitoringInfoToCounterUpdateTransformer |
| implements MonitoringInfoToCounterUpdateTransformer { |
| |
| final Map<String, MonitoringInfoToCounterUpdateTransformer> counterTransformers = new HashMap<>(); |
| |
| public FnApiMonitoringInfoToCounterUpdateTransformer( |
| Map<String, DataflowStepContext> stepContextMap, |
| Map<String, NameContext> sdkPCollectionIdToNameContext) { |
| SpecMonitoringInfoValidator specValidator = new SpecMonitoringInfoValidator(); |
| |
| UserMonitoringInfoToCounterUpdateTransformer userCounterTransformer = |
| new UserMonitoringInfoToCounterUpdateTransformer(specValidator, stepContextMap); |
| counterTransformers.put(userCounterTransformer.getSupportedUrnPrefix(), userCounterTransformer); |
| |
| UserDistributionMonitoringInfoToCounterUpdateTransformer userDistributionCounterTransformer = |
| new UserDistributionMonitoringInfoToCounterUpdateTransformer(specValidator, stepContextMap); |
| counterTransformers.put( |
| userDistributionCounterTransformer.getSupportedUrnPrefix(), |
| userDistributionCounterTransformer); |
| |
| MSecMonitoringInfoToCounterUpdateTransformer msecTransformer = |
| new MSecMonitoringInfoToCounterUpdateTransformer(specValidator, stepContextMap); |
| for (String urn : msecTransformer.getSupportedUrns()) { |
| this.counterTransformers.put(urn, msecTransformer); |
| } |
| this.counterTransformers.put( |
| ElementCountMonitoringInfoToCounterUpdateTransformer.getSupportedUrn(), |
| new ElementCountMonitoringInfoToCounterUpdateTransformer( |
| specValidator, sdkPCollectionIdToNameContext)); |
| this.counterTransformers.put( |
| MeanByteCountMonitoringInfoToCounterUpdateTransformer.getSupportedUrn(), |
| new MeanByteCountMonitoringInfoToCounterUpdateTransformer( |
| specValidator, sdkPCollectionIdToNameContext)); |
| } |
| |
| /** Allows for injection of user and generic counter transformers for more convenient testing. */ |
| @VisibleForTesting |
| public FnApiMonitoringInfoToCounterUpdateTransformer( |
| Map<String, MonitoringInfoToCounterUpdateTransformer> counterTransformers) { |
| this.counterTransformers.putAll(counterTransformers); |
| } |
| |
| @Override |
| @Nullable |
| public CounterUpdate transform(MonitoringInfo src) { |
| String urn = src.getUrn(); |
| MonitoringInfoToCounterUpdateTransformer transformer = counterTransformers.get(urn); |
| return transformer == null ? null : transformer.transform(src); |
| } |
| } |