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.fhirpath.definition.fhir;
  
  import au.csiro.pathling.fhirpath.definition.ElementDefinition;
  import ca.uhn.fhir.context.BaseRuntimeChildDefinition;
  import ca.uhn.fhir.context.BaseRuntimeElementDefinition;
  import ca.uhn.fhir.context.RuntimeChildChoiceDefinition;
  import jakarta.annotation.Nonnull;
  import java.util.Objects;
  
  /**
   * Encapsulates the FHIR definitions for a child resolved to specific element.
   *
   * @author John Grimes
   */
  class FhirElementDefinition extends
      BaseFhirNodeDefinition<BaseRuntimeElementDefinition<?>> implements
      ElementDefinition {
  
    @Nonnull
    protected final BaseRuntimeChildDefinition childDefinition;
  
    @Nonnull
    protected final String elementName;
  
    protected FhirElementDefinition(
        @Nonnull final BaseRuntimeElementDefinition<?> elementDefinition,
        @Nonnull final BaseRuntimeChildDefinition childDefinition,
        @Nonnull final String elementName) {
      super(elementDefinition);
      this.childDefinition = childDefinition;
      this.elementName = elementName;
    }
  
    protected FhirElementDefinition(@Nonnull final BaseRuntimeChildDefinition childDefinition,
        @Nonnull final String elementName) {
      this(Objects.requireNonNull(childDefinition.getChildByName(elementName)), childDefinition,
          elementName);
    }
  
    protected FhirElementDefinition(
        @Nonnull final BaseRuntimeChildDefinition childDefinition) {
      this(childDefinition, childDefinition.getElementName());
    }
  
    @Nonnull
    @Override
    public String getElementName() {
      return elementName;
    }
  
    @Nonnull
    @Override
    public String getName() {
      return childDefinition.getElementName();
    }
  
    @Override
    public boolean isChoiceElement() {
      return childDefinition instanceof RuntimeChildChoiceDefinition;
    }
  }
  