| /* |
| * 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; |
| |
| /** |
| * The interface of factories that create a worker-side {@link ParDoFn} from a {@link CloudObject} |
| * specification provided by the Dataflow service. |
| */ |
| public interface ParDoFnFactory { |
| |
| /** |
| * Creates a {@link ParDoFn} from standard parameters, corresponding to the specification provided |
| * to the worker by the Dataflow service. |
| */ |
| ParDoFn create( |
| PipelineOptions options, |
| CloudObject cloudUserFn, |
| List<SideInputInfo> sideInputInfos, |
| TupleTag<?> mainOutputTag, |
| Map<TupleTag<?>, Integer> outputTupleTagsToReceiverIndices, |
| DataflowExecutionContext<?> executionContext, |
| DataflowOperationContext operationContext) |
| throws Exception; |
| } |