content: /*
   * Copyright © 2018-2025 Commonwealth Scientific and Industrial Research
   * Organisation (CSIRO) ABN 41 687 119 230.
   *
   * 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 au.csiro.pathling.terminology;
  
  import jakarta.annotation.Nonnull;
  import jakarta.annotation.Nullable;
  import java.io.Serial;
  import java.io.Serializable;
  import lombok.Value;
  
  /**
   * Represents the result of a terminology operation, along with metadata that can be used for
   * caching.
   *
   * @param <T> The type of the final result that is extracted from the response
   * @author John Grimes
   */
  @Value
  public class TerminologyResult<T extends Serializable> implements Serializable {
  
    @Serial
    private static final long serialVersionUID = -8569345179387329139L;
  
    /**
     * The value of the cache entry.
     */
    @Nullable
    T data;
  
    /**
     * The ETag returned in the response that generated this value.
     */
    @Nullable
    String eTag;
  
    /**
     * The expiry time in milliseconds since the epoch.
     */
    @Nullable
    Long expires;
  
    /**
     * Set to true if the response was a 304 Not Modified.
     */
    @Nonnull
    Boolean notModified;
  
  }
  