/// <summary>
/// ComplexTypeColumnMap
/// </summary>
/// <param name="columnMap"></param>
/// <param name="replacementVarMap"></param>
/// <returns></returns>
internal override ColumnMap Visit(ComplexTypeColumnMap columnMap, VarMap replacementVarMap)
{
SimpleColumnMap newNullability = columnMap.NullSentinel;
if (null != newNullability)
{
newNullability = (SimpleColumnMap)newNullability.Accept(this, replacementVarMap);
}
ColumnMap[] fieldList = VisitList(columnMap.Properties, replacementVarMap);
return(new ComplexTypeColumnMap(columnMap.Type, columnMap.Name, fieldList, newNullability));
}
/// <summary>
/// ComplexTypeColumnMap
/// </summary>
/// <param name="columnMap"></param>
/// <param name="dumper"></param>
/// <returns></returns>
internal override void Visit(ComplexTypeColumnMap columnMap, Dump dumper)
{
using (new AutoXml(dumper, "ComplexType", GetAttributes(columnMap))) {
if (columnMap.NullSentinel != null)
{
using (new AutoXml(dumper, "nullSentinel")) {
columnMap.NullSentinel.Accept(this, dumper);
}
}
VisitList(columnMap.Properties, dumper);
}
}
internal virtual void Visit(ComplexTypeColumnMap columnMap, TArgType arg)
{
ColumnMap nullSentinel = columnMap.NullSentinel;
if (null != nullSentinel)
{
nullSentinel.Accept(this, arg);
}
foreach (ColumnMap p in columnMap.Properties)
{
p.Accept(this, arg);
}
}
/// <summary>
/// Build the collectionColumnMap from a store datareader, a type and an entitySet.
/// </summary>
/// <param name="storeDataReader"></param>
/// <param name="edmType"></param>
/// <param name="entitySet"></param>
/// <returns></returns>
internal static CollectionColumnMap CreateColumnMapFromReaderAndType(DbDataReader storeDataReader, EdmType edmType, EntitySet entitySet, Dictionary <string, FunctionImportReturnTypeStructuralTypeColumnRenameMapping> renameList)
{
Debug.Assert(Helper.IsEntityType(edmType) || null == entitySet, "The specified non-null EntitySet is incompatible with the EDM type specified.");
// Next, build the ColumnMap directly from the edmType and entitySet provided.
ColumnMap[] propertyColumnMaps = GetColumnMapsForType(storeDataReader, edmType, renameList);
ColumnMap elementColumnMap = null;
// NOTE: We don't have a null sentinel here, because the stored proc won't
// return one anyway; we'll just presume the data's always there.
if (Helper.IsRowType(edmType))
{
elementColumnMap = new RecordColumnMap(TypeUsage.Create(edmType), edmType.Name, propertyColumnMaps, null);
}
else if (Helper.IsComplexType(edmType))
{
elementColumnMap = new ComplexTypeColumnMap(TypeUsage.Create(edmType), edmType.Name, propertyColumnMaps, null);
}
else if (Helper.IsScalarType(edmType))
{
if (storeDataReader.FieldCount != 1)
{
throw EntityUtil.CommandExecutionDataReaderFieldCountForScalarType();
}
elementColumnMap = new ScalarColumnMap(TypeUsage.Create(edmType), edmType.Name, 0, 0);
}
else if (Helper.IsEntityType(edmType))
{
elementColumnMap = CreateEntityTypeElementColumnMap(storeDataReader, edmType, entitySet, propertyColumnMaps, null /*renameList*/);
}
else
{
Debug.Assert(false, "unexpected edmType?");
}
CollectionColumnMap collection = new SimpleCollectionColumnMap(edmType.GetCollectionType().TypeUsage, edmType.Name, elementColumnMap, null, null);
return(collection);
}
internal abstract TResultType Visit(ComplexTypeColumnMap columnMap, TArgType arg);
