com.google.cloud.dataflow.sdk.transforms.join.RawUnionValue Maven / Gradle / Ivy

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/*
 * Copyright (C) 2015 Google Inc.
 *
 * Licensed 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 com.google.cloud.dataflow.sdk.transforms.join;

// 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 Object value;

  /**
   * Constructs a partial union from the given union tag and value.
   */
  public RawUnionValue(int unionTag, Object value) {
    this.unionTag = unionTag;
    this.value = value;
  }

  public int getUnionTag() {
    return unionTag;
  }

  public Object getValue() {
    return value;
  }

  @Override
  public String toString() {
    return unionTag + ":" + value;
  }
}