/// <summary>Adds a node.</summary>
/// <param name="concept">The concept.</param>
/// <returns>A FhirConceptTreeNode.</returns>
public FhirConceptTreeNode AddChild(FhirConcept concept)
{
if (concept == null)
{
return(null);
}
if (_children.ContainsKey(concept.Code))
{
return(_children[concept.Code]);
}
FhirConceptTreeNode node = new FhirConceptTreeNode(concept, this);
_children.Add(concept.Code, node);
return(node);
}
/// <summary>Initializes a new instance of the <see cref="FhirConceptTreeNode"/> class.</summary>
/// <param name="concept">The concept.</param>
/// <param name="parent"> The parent.</param>
public FhirConceptTreeNode(FhirConcept concept, FhirConceptTreeNode parent)
{
_concept = concept;
_children = new Dictionary <string, FhirConceptTreeNode>();
_parent = parent;
}