# File lib/dm-core/associations/relationship.rb, line 416
      def hash
        self.class.hash             ^
        name.hash                   ^
        child_repository_name.hash  ^
        parent_repository_name.hash ^
        child_model.hash            ^
        parent_model.hash           ^
        child_properties.hash       ^
        parent_properties.hash      ^
        min.hash                    ^
        max.hash                    ^
        query.hash
      end