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.sdk.transforms.join;
  
  import org.checkerframework.checker.nullness.qual.Nullable;
  
  // TODO: Think about making this a complete dynamic union by adding
  // a schema.  Type would then be defined by the corresponding schema entry.
  
  /**
   * This corresponds to an integer union tag and value. The mapping of union tag to type must come
   * from elsewhere.
   */
  public class RawUnionValue {
    private final int unionTag;
    private final @Nullable Object value;
  
    /** Constructs a partial union from the given union tag and value. */
    public RawUnionValue(int unionTag, @Nullable Object value) {
      this.unionTag = unionTag;
      this.value = value;
    }
  
    public int getUnionTag() {
      return unionTag;
    }
  
    public @Nullable Object getValue() {
      return value;
    }
  
    @Override
    public String toString() {
      return unionTag + ":" + value;
    }
  
    @Override
    public boolean equals(@Nullable Object o) {
      if (this == o) {
        return true;
      }
      if (o == null || getClass() != o.getClass()) {
        return false;
      }
  
      RawUnionValue that = (RawUnionValue) o;
  
      if (unionTag != that.unionTag) {
        return false;
      }
      return value != null ? value.equals(that.value) : that.value == null;
    }
  
    @Override
    public int hashCode() {
      int result = unionTag;
      result = 31 * result + (value != null ? value.hashCode() : 0);
      return result;
    }
  }
  