// <summary>
// Get the "new" type corresponding to the input type. For structured types,
// we return the flattened record type.
// For collections of structured type, we return a new collection type of the corresponding flattened
// type.
// For enum types we return the underlying type of the enum type.
// For strong spatial types we return the union type that includes the strong spatial type.
// For everything else, we return the input type
// </summary>
// <param name="type"> the original type </param>
// <returns> the new type (if any) </returns>
private md.TypeUsage GetNewType(md.TypeUsage type)
{
if (TypeUtils.IsStructuredType(type))
{
var typeInfo = GetTypeInfo(type);
return(typeInfo.FlattenedTypeUsage);
}
md.TypeUsage elementType;
if (TypeHelpers.TryGetCollectionElementType(type, out elementType))
{
var newElementType = GetNewType(elementType);
if (newElementType.EdmEquals(elementType))
{
return(type);
}
else
{
return(TypeHelpers.CreateCollectionTypeUsage(newElementType));
}
}
if (TypeUtils.IsEnumerationType(type))
{
return(TypeHelpers.CreateEnumUnderlyingTypeUsage(type));
}
if (md.TypeSemantics.IsStrongSpatialType(type))
{
return(TypeHelpers.CreateSpatialUnionTypeUsage(type));
}
// simple scalar
return(type);
}
private TypeUsage GetNewType(TypeUsage type)
{
if (TypeUtils.IsStructuredType(type))
{
return(this.GetTypeInfo(type).FlattenedTypeUsage);
}
TypeUsage elementType;
if (TypeHelpers.TryGetCollectionElementType(type, out elementType))
{
TypeUsage newType = this.GetNewType(elementType);
if (newType.EdmEquals((MetadataItem)elementType))
{
return(type);
}
return(TypeHelpers.CreateCollectionTypeUsage(newType));
}
if (TypeUtils.IsEnumerationType(type))
{
return(TypeHelpers.CreateEnumUnderlyingTypeUsage(type));
}
if (TypeSemantics.IsStrongSpatialType(type))
{
return(TypeHelpers.CreateSpatialUnionTypeUsage(type));
}
return(type);
}
