private static IEnumerable <T> GenerateDirectRelationships <T>(string value) where T : DirectRelationship
{
List <T> rels = new List <T>();
KeyValuePair <string, string[]>[] segments = GetSegments(value);
string entity = segments[0].Key;
string[] properties = segments[0].Value;
for (int i = 0; i < segments.Length - 1; i++)
{
string relatedEntity = segments[i + 1].Key;
string[] nextProps = segments[i + 1].Value;
string[] relatedProperties = new string[properties.Length];
Array.Copy(nextProps, relatedProperties, properties.Length);
string[] remain = new string[nextProps.Length - properties.Length];
Array.Copy(nextProps, properties.Length, remain, 0, remain.Length);
DirectRelationship rel;
if (typeof(T) == typeof(ManyToOneDirectRelationship))
{
rel = new ManyToOneDirectRelationship(entity, relatedEntity, properties, relatedProperties);
}
else if (typeof(T) == typeof(OneToManyDirectRelationship))
{
rel = new OneToManyDirectRelationship(entity, relatedEntity, properties, relatedProperties);
}
else if (typeof(T) == typeof(OneToOneDirectRelationship))
{
rel = new OneToOneDirectRelationship(entity, relatedEntity, properties, relatedProperties);
}
else
{
rel = new DirectRelationship(entity, relatedEntity, properties, relatedProperties);
}
rels.Add(rel as T);
entity = relatedEntity;
properties = remain;
}
return(rels);
}
public OneToManyDirectRelationship(ManyToOneDirectRelationship relationship)
: base(relationship.RelatedEntity, relationship.Entity, relationship.RelatedProperties.ToArray(), relationship.Properties.ToArray())
{
}