# File lib/dm-core/associations/relationship.rb, line 168 def child_model return @child_model if defined?(@child_model) child_model_name = self.child_model_name @child_model = DataMapper::Ext::Module.find_const(@parent_model || Object, child_model_name) rescue NameError raise NameError, "Cannot find the child_model #{child_model_name} for #{parent_model_name} in #{name}" end