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.samza.translation;
  
  import java.util.List;
  import org.apache.beam.sdk.transforms.PTransform;
  import org.apache.beam.sdk.util.construction.PTransformTranslation;
  import org.apache.beam.sdk.values.PCollection;
  import org.apache.beam.sdk.values.PCollectionView;
  
  /**
   * Samza {@link PTransform} that creates a primitive output {@link PCollection}, as the results of a
   * {@link PCollectionView}.
   */
  class SamzaPublishView<ElemT, ViewT>
      extends PTransform<PCollection<List<ElemT>>, PCollection<List<ElemT>>> {
    static final String SAMZA_PUBLISH_VIEW_URN = "beam:transform:samza:publish-view:v1";
  
    private final PCollectionView<ViewT> view;
  
    SamzaPublishView(PCollectionView<ViewT> view) {
      this.view = view;
    }
  
    @Override
    public PCollection<List<ElemT>> expand(PCollection<List<ElemT>> input) {
      return PCollection.<List<ElemT>>createPrimitiveOutputInternal(
          input.getPipeline(), input.getWindowingStrategy(), input.isBounded(), input.getCoder());
    }
  
    public PCollectionView<ViewT> getView() {
      return view;
    }
  
    @Override
    public String getName() {
      return view.getName();
    }
  
    static class SamzaPublishViewPayloadTranslator
        extends PTransformTranslation.TransformPayloadTranslator.NotSerializable<
            SamzaPublishView<?, ?>> {
  
      SamzaPublishViewPayloadTranslator() {}
  
      @Override
      public String getUrn() {
        return SAMZA_PUBLISH_VIEW_URN;
      }
    }
  }
  