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   * Licensed to the Apache Software Foundation (ASF) under one
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   * distributed with this work for additional information
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   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
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   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
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   * See the License for the specific language governing permissions and
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  package org.apache.beam.runners.samza.translation;
  
  import java.util.List;
  import org.apache.beam.sdk.runners.PTransformOverride;
  import org.apache.beam.sdk.util.construction.PTransformMatchers;
  import org.apache.beam.sdk.util.construction.PTransformTranslation;
  import org.apache.beam.sdk.util.construction.SplittableParDo;
  import org.apache.beam.sdk.util.construction.SplittableParDoNaiveBounded;
  import org.apache.beam.sdk.util.construction.UnsupportedOverrideFactory;
  import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.collect.ImmutableList;
  
  /** {@link org.apache.beam.sdk.transforms.PTransform} overrides for Samza runner. */
  @SuppressWarnings({
    "rawtypes" // TODO(https://github.com/apache/beam/issues/20447)
  })
  public class SamzaTransformOverrides {
    public static List<PTransformOverride> getDefaultOverrides() {
      return ImmutableList.<PTransformOverride>builder()
          .add(
              PTransformOverride.of(
                  PTransformMatchers.urnEqualTo(PTransformTranslation.CREATE_VIEW_TRANSFORM_URN),
                  new SamzaPublishViewTransformOverride()))
  
          // Note that we have a direct replacement for SplittableParDo.ProcessKeyedElements
          // for unbounded splittable DoFns and do not need to rely on
          // SplittableParDoViaKeyedWorkItems override. Once this direct replacement supports side
          // inputs we can remove the SplittableParDoNaiveBounded override.
          .add(
              PTransformOverride.of(
                  PTransformMatchers.splittableParDo(), new SplittableParDo.OverrideFactory()))
          .add(
              PTransformOverride.of(
                  PTransformMatchers.splittableProcessKeyedBounded(),
                  new SplittableParDoNaiveBounded.OverrideFactory()))
  
          // TODO: [https://github.com/apache/beam/issues/19132] Support @RequiresStableInput on Samza
          // runner
          .add(
              PTransformOverride.of(
                  PTransformMatchers.requiresStableInputParDoMulti(),
                  UnsupportedOverrideFactory.withMessage(
                      "Samza runner currently doesn't support @RequiresStableInput annotation.")))
          .build();
    }
  }
  