/// <summary>
/// Iterates over all expressions belonging to the content template. If the expression language has not been set it will be set
/// to default language of the content template.
/// </summary>
/// <param name="template">The template to retrieve expressions from</param>
public static CalculatedFunctionContentTemplate EnsureExpressionLanguageIsSet(this CalculatedFunctionContentTemplate template)
{
EnsureArg.IsNotNull(template, nameof(template));
foreach (var tuple in template.GetExpressions())
{
if (tuple.expression != null)
{
tuple.expression.Language ??= template.DefaultExpressionLanguage;
}
}
return(template);
}
private static IEnumerable <(string name, TemplateExpression expression)> GetExpressions(this CalculatedFunctionContentTemplate template)
{
EnsureArg.IsNotNull(template, nameof(template));
yield return(nameof(template.TypeMatchExpression), template.TypeMatchExpression);
yield return(nameof(template.DeviceIdExpression), template.DeviceIdExpression);
yield return(nameof(template.PatientIdExpression), template.PatientIdExpression);
yield return(nameof(template.EncounterIdExpression), template.EncounterIdExpression);
yield return(nameof(template.TimestampExpression), template.TimestampExpression);
yield return(nameof(template.CorrelationIdExpression), template.CorrelationIdExpression);
if (template.Values != null)
{
foreach (CalculatedFunctionValueExpression value in template.Values)
{
yield return(value.ValueName, value.ValueExpression);
}
}
}
public LegacyMeasurementExtractor(
CalculatedFunctionContentTemplate template,
IExpressionEvaluatorFactory expressionEvaluatorFactory)
: base(template, expressionEvaluatorFactory)
{
}