class ActiveFedora::AssociationTypeMismatch
Raised when an object assigned to an association has an incorrect type.
class Ticket < ActiveFedora::Base has_many :patches end class Patch < ActiveFedora::Base belongs_to :ticket, predicate: ActiveFedora::RDF::Fcrepo::RelsExt.isComponentOf end # Comments are not patches, this assignment raises AssociationTypeMismatch. @ticket.patches << Comment.new(content: "Please attach tests to your patch.")