| /* |
| * 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.SourceOperationRequest; |
| import org.apache.beam.runners.dataflow.DataflowRunner; |
| import org.apache.beam.runners.dataflow.options.DataflowPipelineDebugOptions; |
| import org.apache.beam.runners.dataflow.worker.counters.CounterSet; |
| import org.apache.beam.runners.dataflow.worker.counters.NameContext; |
| import org.apache.beam.sdk.options.PipelineOptions; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.base.Preconditions; |
| |
| /** Creates a SourceOperationExecutor from a SourceOperation. */ |
| public class SourceOperationExecutorFactory { |
| public static SourceOperationExecutor create( |
| PipelineOptions options, |
| SourceOperationRequest request, |
| CounterSet counters, |
| DataflowExecutionContext<?> executionContext, |
| String stageName) |
| throws Exception { |
| boolean beamFnApi = |
| DataflowRunner.hasExperiment(options.as(DataflowPipelineDebugOptions.class), "beam_fn_api"); |
| |
| Preconditions.checkNotNull(request, "SourceOperationRequest must be non-null"); |
| Preconditions.checkNotNull(executionContext, "executionContext must be non-null"); |
| |
| // Disable splitting when fn api is enabled. |
| // TODO: Fix this once source splitting is supported. |
| if (beamFnApi) { |
| return new NoOpSourceOperationExecutor(request); |
| } else { |
| DataflowOperationContext operationContext = |
| executionContext.createOperationContext( |
| NameContext.create( |
| stageName, |
| request.getOriginalName(), |
| request.getSystemName(), |
| request.getName())); |
| |
| return new WorkerCustomSourceOperationExecutor( |
| options, request, counters, executionContext, operationContext); |
| } |
| } |
| } |