Returns the represented value if it was already fetched into memory, error otherwise.
Returns the represented value if it was already fetched into memory, error otherwise.
Describes whether or not the represented value was already fetched into memory.
Describes whether or not the represented value was already fetched into memory.
The ID of the owner entity.
The ID of the owner entity.
The represented relationship.
The represented relationship.
Will fetch the represented value from persistant storage.
Will fetch the represented value from persistant storage.
Will return the represented value from memory or fetch it otherwise.
Will return the represented value from memory or fetch it otherwise.
Represents the value of a 'to many' relationship for a specific owner instance.