/// <summary>
/// ComplexTypeColumnMap
/// </summary>
/// <param name="columnMap"> </param>
/// <param name="replacementVarMap"> </param>
/// <returns> </returns>
internal override ColumnMap Visit(ComplexTypeColumnMap columnMap, VarMap replacementVarMap)
{
var newNullability = columnMap.NullSentinel;
if (null != newNullability)
{
newNullability = (SimpleColumnMap)newNullability.Accept(this, replacementVarMap);
}
var fieldList = VisitList(columnMap.Properties, replacementVarMap);
return(new ComplexTypeColumnMap(columnMap.Type, columnMap.Name, fieldList, newNullability));
}
internal override void Visit(ComplexTypeColumnMap columnMap, Dump dumper)
{
using (new Dump.AutoXml(dumper, "ComplexType", Dump.ColumnMapDumper.GetAttributes((ColumnMap)columnMap)))
{
if (columnMap.NullSentinel != null)
{
using (new Dump.AutoXml(dumper, "nullSentinel"))
columnMap.NullSentinel.Accept <Dump>((ColumnMapVisitor <Dump>) this, dumper);
}
this.VisitList <ColumnMap>(columnMap.Properties, dumper);
}
}
internal override ColumnMap Visit(
ComplexTypeColumnMap columnMap,
VarMap replacementVarMap)
{
SimpleColumnMap nullSentinel = columnMap.NullSentinel;
if (nullSentinel != null)
{
nullSentinel = (SimpleColumnMap)nullSentinel.Accept <ColumnMap, VarMap>((ColumnMapVisitorWithResults <ColumnMap, VarMap>) this, replacementVarMap);
}
ColumnMap[] properties = this.VisitList <ColumnMap>(columnMap.Properties, replacementVarMap);
return((ColumnMap) new ComplexTypeColumnMap(columnMap.Type, columnMap.Name, properties, nullSentinel));
}
/// <summary>
/// ComplexTypeColumnMap
/// </summary>
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);
}
}
// <summary>
// Build the collectionColumnMap from a store datareader, a type and an entitySet.
// </summary>
internal virtual 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.
var 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 new EntityCommandExecutionException(Strings.ADP_InvalidDataReaderFieldCountForScalarType);
}
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);
}
