| /* |
| * 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; |
| |
| import com.google.api.services.dataflow.model.SideInputInfo; |
| import java.util.List; |
| import java.util.Map; |
| import org.apache.beam.runners.dataflow.util.CloudObject; |
| import org.apache.beam.runners.dataflow.worker.util.common.worker.ParDoFn; |
| import org.apache.beam.sdk.options.PipelineOptions; |
| import org.apache.beam.sdk.values.TupleTag; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.ImmutableMap; |
| |
| /** |
| * A factory that dispatches to all known factories in the Dataflow SDK based on the value of {@link |
| * CloudObject#getClassName()} for the specified {@code DoFn}. |
| */ |
| public class DefaultParDoFnFactory implements ParDoFnFactory { |
| private final ImmutableMap<String, ParDoFnFactory> defaultFactories; |
| |
| public DefaultParDoFnFactory() { |
| defaultFactories = |
| ImmutableMap.<String, ParDoFnFactory>builder() |
| .put("DoFn", UserParDoFnFactory.createDefault()) |
| .put("CombineValuesFn", new CombineValuesFnFactory()) |
| .put("MergeBucketsDoFn", new GroupAlsoByWindowParDoFnFactory()) |
| .put("AssignBucketsDoFn", new AssignWindowsParDoFnFactory()) |
| .put("MergeWindowsDoFn", new GroupAlsoByWindowParDoFnFactory()) |
| .put("AssignWindowsDoFn", new AssignWindowsParDoFnFactory()) |
| .put("ReifyTimestampAndWindowsDoFn", new ReifyTimestampAndWindowsParDoFnFactory()) |
| .put("SplittableProcessFn", SplittableProcessFnFactory.createDefault()) |
| .put("CreateIsmShardKeyAndSortKeyDoFn", new CreateIsmShardKeyAndSortKeyDoFnFactory()) |
| .put("ToIsmRecordForMultimapDoFn", new ToIsmRecordForMultimapDoFnFactory()) |
| .put("ValuesDoFn", new ValuesDoFnFactory()) |
| .put("PairWithConstantKeyDoFn", new PairWithConstantKeyDoFnFactory()) |
| .put( |
| "StreamingPCollectionViewWriterDoFn", |
| new StreamingPCollectionViewWriterDoFnFactory()) |
| .build(); |
| } |
| |
| @Override |
| public ParDoFn create( |
| PipelineOptions options, |
| CloudObject cloudUserFn, |
| List<SideInputInfo> sideInputInfos, |
| TupleTag<?> mainOutputTag, |
| Map<TupleTag<?>, Integer> outputTupleTagsToReceiverIndices, |
| DataflowExecutionContext<?> executionContext, |
| DataflowOperationContext operationContext) |
| throws Exception { |
| |
| String className = cloudUserFn.getClassName(); |
| ParDoFnFactory factory = defaultFactories.get(className); |
| |
| if (factory == null) { |
| throw new Exception("No known ParDoFnFactory for " + className); |
| } |
| |
| return factory.create( |
| options, |
| cloudUserFn, |
| sideInputInfos, |
| mainOutputTag, |
| outputTupleTagsToReceiverIndices, |
| executionContext, |
| operationContext); |
| } |
| } |