private QueryValue BuildCollectionQueryValue(string propertyPath, QueryCollectionType queryCollectionType, EntitySetDataRow row)
{
QueryScalarType scalarElementDataType = queryCollectionType.ElementType as QueryScalarType;
QueryComplexType complexTypeElementDataType = queryCollectionType.ElementType as QueryComplexType;
List <QueryValue> queryValues = new List <QueryValue>();
if (scalarElementDataType != null)
{
int i = 0;
while (row.PropertyPaths.Any(pp => pp == propertyPath + i))
{
var value = row[propertyPath + i];
queryValues.Add(scalarElementDataType.CreateValue(value));
i++;
}
}
else
{
ExceptionUtilities.CheckObjectNotNull(complexTypeElementDataType, "PropertyPath '{0}' is an invalid type '{1}'", propertyPath, queryCollectionType.ElementType);
int i = 0;
while (row.PropertyPaths.Where(pp => pp.StartsWith(propertyPath + i, StringComparison.Ordinal)).Count() > 0)
{
QueryStructuralValue complexChildInstance = complexTypeElementDataType.CreateNewInstance();
this.BuildStructuralPropertiesQueryValue(complexChildInstance, propertyPath + i + ".", complexTypeElementDataType.ComplexType.Properties, complexTypeElementDataType.Properties, row);
queryValues.Add(complexChildInstance);
i++;
}
}
return(queryCollectionType.CreateCollectionWithValues(queryValues.ToArray()));
}
/// <summary>
/// Creates a QueryValue of a given type.
/// </summary>
/// <param name="type">Type of the QueryValue that will be generated.</param>
/// <returns>QueryValue representing the provided object.</returns>
public QueryValue Visit(QueryCollectionType type)
{
var resultFragment = this.ResultFragmentStack.Pop();
var resultCollectionElements = new List <QueryValue>();
// need to materialize results first to get the complete graph, before we start converting to QueryValue
var resultFragmentList = ((IEnumerable)resultFragment).Cast <object>().ToList();
foreach (var resultFragmentElement in resultFragmentList)
{
var resultCollectionElement = this.Convert(resultFragmentElement, type.ElementType);
resultCollectionElements.Add(resultCollectionElement);
}
return(type.CreateCollectionWithValues(resultCollectionElements));
}