private static IEdmPrimitiveTypeReference GetPrimitiveTypeReference(
IProperty efProperty)
{
var kind = EdmPrimitiveTypeKind.None;
var propertyType = TypeHelper.GetUnderlyingTypeOrSelf(efProperty.ClrType);
if (!primitiveTypeKindMap.TryGetValue(propertyType, out kind))
{
return null;
}
if (TypeHelper.IsDateTime(propertyType))
{
RelationalPropertyAnnotations annotations = new RelationalPropertyAnnotations(efProperty, null);
var columnType = annotations.ColumnType;
if (string.Equals(columnType, "date", StringComparison.OrdinalIgnoreCase))
{
kind = EdmPrimitiveTypeKind.Date;
}
}
else if (TypeHelper.IsTimeSpan(propertyType))
{
RelationalPropertyAnnotations annotations = new RelationalPropertyAnnotations(efProperty, null);
var columnType = annotations.ColumnType;
if (string.Equals(columnType, "time", StringComparison.OrdinalIgnoreCase))
{
kind = EdmPrimitiveTypeKind.TimeOfDay;
}
}
switch (kind)
{
default:
return EdmCoreModel.Instance.GetPrimitive(kind, efProperty.IsNullable);
case EdmPrimitiveTypeKind.Binary:
return EdmCoreModel.Instance.GetBinary(
efProperty.GetMaxLength() < 0,
efProperty.GetMaxLength(),
efProperty.IsNullable);
case EdmPrimitiveTypeKind.Decimal:
// TODO GitHubIssue#57: Complete EF7 to EDM model mapping
////return EdmCoreModel.Instance.GetDecimal(
//// efProperty.Precision, efProperty.Scale,
//// efProperty.Nullable);
return EdmCoreModel.Instance.GetDecimal(efProperty.IsNullable);
case EdmPrimitiveTypeKind.String:
// TODO GitHubIssue#57: Complete EF7 to EDM model mapping
return EdmCoreModel.Instance.GetString(
efProperty.GetMaxLength() < 0,
efProperty.GetMaxLength(),
null,
efProperty.IsNullable);
case EdmPrimitiveTypeKind.DateTimeOffset:
case EdmPrimitiveTypeKind.Duration:
// TODO GitHubIssue#57: Complete EF7 to EDM model mapping
////return EdmCoreModel.Instance.GetTemporal(
//// kind, efProperty.Precision, efProperty.Nullable);
return EdmCoreModel.Instance.GetTemporal(kind, efProperty.IsNullable);
}
}
private static IEdmEntityType CreateEntityType(
IModel efModel,
IEntityType efEntityType,
EdmModel model,
out List<EdmStructuralProperty> concurrencyProperties)
{
// TODO GitHubIssue#36 : support complex and entity inheritance
var entityType = new EdmEntityType(
efEntityType.ClrType.Namespace, efEntityType.ClrType.Name);
concurrencyProperties = null;
foreach (var efProperty in efEntityType.GetProperties())
{
var type = ModelProducer.GetPrimitiveTypeReference(efProperty);
if (type != null)
{
string defaultValue = null;
RelationalPropertyAnnotations annotations = new RelationalPropertyAnnotations(efProperty, null);
if (annotations.DefaultValue != null)
{
defaultValue = annotations.DefaultValue.ToString();
}
var property = entityType.AddStructuralProperty(
efProperty.Name,
type,
defaultValue,
EdmConcurrencyMode.None); // alway None:replaced by OptimisticConcurrency annotation
// TODO GitHubIssue#57: Complete EF7 to EDM model mapping
if (efProperty.StoreGeneratedAlways)
{
SetComputedAnnotation(model, property);
}
if (efProperty.IsConcurrencyToken)
{
concurrencyProperties = concurrencyProperties ?? new List<EdmStructuralProperty>();
concurrencyProperties.Add(property);
}
}
}
var key = efEntityType.GetPrimaryKey();
if (key != null)
{
entityType.AddKeys(key.Properties
.Select(p => entityType.FindProperty(p.Name))
.Cast<IEdmStructuralProperty>());
}
return entityType;
}