src/main/java/com/google/android/libraries/feed/api/internal/common/SemanticPropertiesWithId.java

// Copyright 2018 The Feed Authors.
//
// 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.android.libraries.feed.api.internal.common;

import java.util.Arrays;

/**
 * Structure style class which binds a String contentId with the semantic properties data for that
 * contentId. The class is immutable and provides access to the fields directly.
 */
public final class SemanticPropertiesWithId {

  public final String contentId;
  public final byte[] semanticData;

  public SemanticPropertiesWithId(String contentId, byte[] semanticData) {
    this.contentId = contentId;
    this.semanticData = semanticData;
  }

  @Override
  public boolean equals(/*@Nullable*/ Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }

    SemanticPropertiesWithId that = (SemanticPropertiesWithId) o;

    if (!contentId.equals(that.contentId)) {
      return false;
    }
    return Arrays.equals(semanticData, that.semanticData);
  }

  @Override
  public int hashCode() {
    int result = contentId.hashCode();
    result = 31 * result + Arrays.hashCode(semanticData);
    return result;
  }
}