internal virtual CollectionColumnMap CreateColumnMapFromReaderAndType(
DbDataReader storeDataReader,
EdmType edmType,
EntitySet entitySet,
Dictionary <string, FunctionImportReturnTypeStructuralTypeColumnRenameMapping> renameList)
{
ColumnMap[] columnMapsForType = ColumnMapFactory.GetColumnMapsForType(storeDataReader, edmType, renameList);
ColumnMap elementMap = (ColumnMap)null;
if (Helper.IsRowType((GlobalItem)edmType))
{
elementMap = (ColumnMap) new RecordColumnMap(TypeUsage.Create(edmType), edmType.Name, columnMapsForType, (SimpleColumnMap)null);
}
else if (Helper.IsComplexType(edmType))
{
elementMap = (ColumnMap) new ComplexTypeColumnMap(TypeUsage.Create(edmType), edmType.Name, columnMapsForType, (SimpleColumnMap)null);
}
else if (Helper.IsScalarType(edmType))
{
if (storeDataReader.FieldCount != 1)
{
throw new EntityCommandExecutionException(Strings.ADP_InvalidDataReaderFieldCountForScalarType);
}
elementMap = (ColumnMap) new ScalarColumnMap(TypeUsage.Create(edmType), edmType.Name, 0, 0);
}
else if (Helper.IsEntityType(edmType))
{
elementMap = (ColumnMap)ColumnMapFactory.CreateEntityTypeElementColumnMap(storeDataReader, edmType, entitySet, columnMapsForType, (Dictionary <string, FunctionImportReturnTypeStructuralTypeColumnRenameMapping>)null);
}
return((CollectionColumnMap) new SimpleCollectionColumnMap(edmType.GetCollectionType().TypeUsage, edmType.Name, elementMap, (SimpleColumnMap[])null, (SimpleColumnMap[])null));
}
// <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);
}
private static EdmFunction CreateFunctionImport(DbModel model, FunctionDescriptor descriptor)
{
var parameters = descriptor.Parameters.Select(p =>
{
TypeUsage typeUsage = GetTypeUsage(GetSimpleEdmType(model, p.Type), p);
return(FunctionParameter.Create(p.Name, typeUsage.EdmType,
p.Direction == ParameterDirection.Output ? ParameterMode.Out :
p.Direction == ParameterDirection.InputOutput ? ParameterMode.InOut :
p.Direction == ParameterDirection.ReturnValue ? ParameterMode.ReturnValue :
ParameterMode.In));
}).ToArray();
var entitySets = new EntitySet[descriptor.Results.Count];
var results = descriptor.Results.Select((r, i) =>
{
EdmType edmType = GetStructuralEdmType(model, r.Type);
if (edmType == null)
{
edmType = GetTypeUsage(GetSimpleEdmType(model, r.Type), r).EdmType;
}
entitySets[i] = edmType.BuiltInTypeKind != BuiltInTypeKind.EntityType ? null : model.ConceptualModel.Container.EntitySets.FirstOrDefault(s => edmType.Yield(t => t.BaseType, (t, b) => b, t => t != null).Contains(s.ElementType));
return(FunctionParameter.Create(string.Format("Result_{0}", i), edmType.GetCollectionType(), ParameterMode.ReturnValue));
}).ToArray();
var payload = new EdmFunctionPayload
{
StoreFunctionName = descriptor.FunctionName,
IsFunctionImport = true,
IsAggregate = descriptor.IsAggregate,
IsBuiltIn = descriptor.IsBuiltIn,
IsComposable = descriptor.IsComposable,
IsNiladic = descriptor.IsNiladic,
ParameterTypeSemantics = descriptor.ParameterTypeSemantics,
Schema = descriptor.DatabaseSchema,
Parameters = parameters,
ReturnParameters = results,
EntitySets = entitySets,
};
return(EdmFunction.Create(descriptor.FunctionName, model.ConceptualModel.Container.Name, DataSpace.CSpace, payload, null));
}
