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.spark.translation;
  
  import java.io.Serializable;
  import org.apache.beam.runners.spark.util.SideInputBroadcast;
  import org.apache.beam.sdk.coders.Coder;
  import org.apache.beam.sdk.values.WindowedValue;
  
  /**
   * Metadata class for side inputs in Spark runner. Contains serialized data, type information and
   * coder for side input processing.
   */
  public class SideInputMetadata implements Serializable {
    private final byte[] data;
    private final SparkPCollectionView.Type type;
    private final Coder<Iterable<WindowedValue<?>>> coder;
  
    /**
     * Constructor for SideInputMetadata.
     *
     * @param data The serialized side input data as byte array
     * @param type The type of the SparkPCollectionView
     * @param coder The coder for iterables of windowed values
     */
    SideInputMetadata(
        byte[] data, SparkPCollectionView.Type type, Coder<Iterable<WindowedValue<?>>> coder) {
      this.data = data;
      this.type = type;
      this.coder = coder;
    }
  
    /**
     * Creates a new instance of SideInputMetadata.
     *
     * @param data The serialized side input data as byte array
     * @param type The type of the SparkPCollectionView
     * @param coder The coder for iterables of windowed values
     * @return A new SideInputMetadata instance
     */
    public static SideInputMetadata create(
        byte[] data, SparkPCollectionView.Type type, Coder<Iterable<WindowedValue<?>>> coder) {
      return new SideInputMetadata(data, type, coder);
    }
  
    /**
     * Converts this metadata to a {@link SideInputBroadcast} instance.
     *
     * @return A new {@link SideInputBroadcast} instance created from this metadata
     */
    @SuppressWarnings("rawtypes")
    public SideInputBroadcast toSideInputBroadcast() {
      return SideInputBroadcast.create(this.data, this.type, this.coder);
    }
  }
  