/// <summary>
/// Get a list of all Coded Concepts from the Context Group specified by the supplied CID
/// that have the supplied Coding Scheme Designator and Code Value.
/// </summary>
/// <param name="cid">The Context ID.</param>
/// <param name="codingSchemeDesignator">The Coding Scheme Designator.</param>
/// <param name="codeValue">The Code Value.</param>
/// <returns>
/// Null of the Content Group specified by the supplied CID does not exist.
/// Otherwise a list of Coded Concepts.
/// </returns>
public IList <CodedConcept> GetCodedConcepts(string cid, string codingSchemeDesignator, string codeValue)
{
List <CodedConcept> codedConcepts = null;
ContextGroup contextGroup = null;
if (!this.contextGroupDictionary.TryGetValue(cid, out contextGroup))
// Key not found and contextGroup contains null;
{
codedConcepts = null;
}
else
{
codedConcepts = new List <CodedConcept>();
foreach (CodedConceptOrInclude codedConceptOrInclude in contextGroup.CodedConceptsOrIncludes)
{
if (codedConceptOrInclude is CodedConcept)
{
CodedConcept codedConcept = codedConceptOrInclude as CodedConcept;
if ((codingSchemeDesignator == codedConcept.CodingSchemeDesignator) && (codeValue == codedConcept.CodeValue))
{
codedConcepts.Add(codedConcept);
}
}
else if (codedConceptOrInclude is IncludedContextGroup)
{
IncludedContextGroup includedContextGroup = codedConceptOrInclude as IncludedContextGroup;
IList <CodedConcept> matchingCodedConceptsFromIncludedContentGroup = GetCodedConcepts(includedContextGroup.Id, codingSchemeDesignator, codeValue);
if (matchingCodedConceptsFromIncludedContentGroup != null)
{
codedConcepts.AddRange(matchingCodedConceptsFromIncludedContentGroup);
}
}
}
}
return(codedConcepts);
}
/// <summary>
/// Creates a string dump for a single Context Group.
/// </summary>
/// <param name="prefix">The prefix to use in the string dump.</param>
/// <param name="contextGroup">The Context Group.</param>
/// <returns>The string dump.</returns>
private static String ContextGroupStringDump(String prefix, ContextGroup contextGroup)
{
StringBuilder stringDump = new StringBuilder();
stringDump.Append(prefix + "Context ID \"" + contextGroup.Id + "\", Context Group Name \"" + contextGroup.Name + "\"\r\n");
stringDump.Append(prefix + " CODING SCHEME DESIGNATOR, CODE VALUE, CODE MEANING\r\n");
stringDump.Append(prefix + " ------------------------ ---------- ------------");
foreach (CodedConceptOrInclude codedConceptOrInclude in contextGroup.CodedConceptsOrIncludes)
{
if (codedConceptOrInclude is CodedConcept)
{
CodedConcept codedConcept = codedConceptOrInclude as CodedConcept;
stringDump.Append("\r\n" + prefix + " " + codedConcept.CodingSchemeDesignator);
if (codedConcept.CodingSchemeVersion != null)
{
stringDump.Append(" [" + codedConcept.CodingSchemeVersion + "]");
}
stringDump.Append(", " + codedConcept.CodeValue + ", \"" + codedConcept.CodeMeaning + "\"");
}
else if (codedConceptOrInclude is IncludedContextGroup)
{
IncludedContextGroup includedContextGroup = codedConceptOrInclude as IncludedContextGroup;
stringDump.Append("\r\n" + prefix + " Include CONTEXT ID " + includedContextGroup.Id);
}
else
{
throw new Exception("Not supposed to get here.");
}
}
return(stringDump.ToString());
}
