package org.apache.beam.runners.core.construction;

import static com.google.common.base.Preconditions.checkArgument;

import java.io.IOException;
import org.apache.beam.model.pipeline.v1.RunnerApi;
import org.apache.beam.model.pipeline.v1.RunnerApi.ExecutableStagePayload;
import org.apache.beam.runners.core.construction.graph.ExecutableStage;
import org.apache.beam.sdk.runners.AppliedPTransform;

/**
 * Utilities for converting {@link ExecutableStage}s to and from {@link RunnerApi} protocol buffers.
 */
public class ExecutableStageTranslation {

  /** Extracts an {@link ExecutableStagePayload} from the given transform. */
  public static ExecutableStagePayload getExecutableStagePayload(
      AppliedPTransform<?, ?, ?> appliedTransform) throws IOException {
    RunnerApi.PTransform transform =
        PTransformTranslation.toProto(appliedTransform, SdkComponents.create());
    checkArgument(ExecutableStage.URN.equals(transform.getSpec().getUrn()));
    return ExecutableStagePayload.parseFrom(transform.getSpec().getPayload());
  }

}

@@ -1,8 +1,815 @@
+/*%0A * Licensed to the Apache Software Foundation (ASF) under one%0A * or more contributor license agreements.  See the NOTICE file%0A * distributed with this work for additional information%0A * regarding copyright ownership.  The ASF licenses this file%0A * to you under the Apache License, Version 2.0 (the%0A * %22License%22); you may not use this file except in compliance%0A * with the License.  You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A%0A
 package 

Add missing ASF license to ExecutableStageTranslation file