public DocumentMappingResult <TElement> MapToType <TElement>(Func <Dictionary <string, string> > getFieldsMethod, SelectMethod selectMethod)
{
// if the result type is not IStandardTemplateItem, use the default functionality
if (!IsSynthesisType <TElement>())
{
return(new DocumentMappingResult <TElement>(default(TElement), false));
}
// initializers can't really support sub-selects of objects. Error if that's what's being used.
if (selectMethod != null)
{
throw new NotSupportedException("Using Select on a Synthesis object type is supported. Convert the query to a list or array before selecting, then select using LINQ to objects.");
}
var evaluatedFields = getFieldsMethod();
ShortID templateId;
if (!evaluatedFields.ContainsKey("_template") || !ShortID.TryParse(evaluatedFields["_template"], out templateId))
{
templateId = ID.Null.ToShortID();
}
var initializer = _overrideInitializer ?? ProviderResolver.FindGlobalInitializer(templateId.ToID());
var result = initializer.CreateInstanceFromSearch(evaluatedFields);
if (result is TElement)
{
return(new DocumentMappingResult <TElement>((TElement)result, true));
}
return(new DocumentMappingResult <TElement>(default(TElement), true)); // note that this is still 'success', because we mapped onto a Synthesis type so we do not want to use default mapping
}
/// <summary>
/// Converts an Item into a strongly typed item
/// </summary>
/// <returns>The converted item, or null if the conversion failed</returns>
/// <remarks>If a conversion exception occurs, it can be found in the Sitecore log</remarks>
public static IStandardTemplateItem AsStronglyTyped(this Item item)
{
if (item == null)
{
return(null);
}
ITemplateInitializer initializer = ProviderResolver.FindGlobalInitializer(item.TemplateID);
return(initializer.CreateInstance(item));
}