content: /*
   * 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;
  }
  