class GraphQL::Schema::Union

# File lib/graphql/schema/union.rb, line 32
def all_possible_types
  type_memberships.map(&:object_type)
end

# File lib/graphql/schema/union.rb, line 9
def inherited(child_class)
  add_unresolved_type_error(child_class)
  super
end

# File lib/graphql/schema/union.rb, line 44
def kind
  GraphQL::TypeKinds::UNION
end

# File lib/graphql/schema/union.rb, line 14
def possible_types(*types, context: GraphQL::Query::NullContext.instance, **options)
  if !types.empty?
    types.each do |t|
      assert_valid_union_member(t)
      type_memberships << type_membership_class.new(self, t, **options)
    end
  else
    visible_types = []
    warden = Warden.from_context(context)
    type_memberships.each do |type_membership|
      if warden.visible_type_membership?(type_membership, context)
        visible_types << type_membership.object_type
      end
    end
    visible_types
  end
end

# File lib/graphql/schema/union.rb, line 36
def type_membership_class(membership_class = nil)
  if membership_class
    @type_membership_class = membership_class
  else
    @type_membership_class || find_inherited_value(:type_membership_class, GraphQL::Schema::TypeMembership)
  end
end

# File lib/graphql/schema/union.rb, line 48
def type_memberships
  @type_memberships ||= []
end