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 static java.util.Objects.requireNonNull;
  
  import jakarta.annotation.Nonnull;
  import jakarta.annotation.Nullable;
  import java.io.Serializable;
  import java.util.function.Function;
  
  /**
   * Represents parameters that are passed to a terminology operation.
   * <p>
   * Must be {@link Serializable} so that it can be used as a cache key.
   *
   * @author John Grimes
   */
  public interface TerminologyParameters extends Serializable {
  
    /**
     * Converts an optional string value using the provided converter.
     *
     * @param <T> the type to convert to
     * @param converter the function to convert the string value
     * @param value the string value to convert, may be null
     * @return the converted value, or null if input is null
     */
    @Nullable
    static <T> T optional(@Nonnull final Function<String, T> converter,
        @Nullable final String value) {
      return value != null
             ? converter.apply(value)
             : null;
    }
  
    /**
     * Converts a required string value using the provided converter.
     *
     * @param <T> the type to convert to
     * @param converter the function to convert the string value
     * @param value the string value to convert, must not be null
     * @return the converted value
     * @throws NullPointerException if value is null
     */
    @Nonnull
    static <T> T required(@Nonnull final Function<String, T> converter,
        @Nullable final String value) {
      return converter.apply(requireNonNull(value));
    }
  
  }
  