/// <summary>
/// Given a stream of types, returns a stream of types where any 'relationship' types are duplicated so that their
/// reverse alias also appears in the output stream.
/// Caution: remember to invert the from/to types, and the cardinality, as applicable.
/// </summary>
/// <param name="types"></param>
/// <returns></returns>
IEnumerable <EffectiveType> EffectiveTypes(IEnumerable <Entity> types)
{
foreach (var type in types)
{
bool isRelationship = _schemaManager.IsInstance(type, A(Aliases.Relationship));
if (isRelationship)
{
continue;
}
var et = new EffectiveType()
{
Type = type, Alias = type.Alias
};
yield return(et);
}
}