Table of Contents - activefacts-metamodel-1.9.23 Documentation
Classes and Modules
- ActiveFacts
- ActiveFacts::Metamodel
- ActiveFacts::Metamodel::Absorption
- ActiveFacts::Metamodel::AccessPath
- ActiveFacts::Metamodel::Adjective
- ActiveFacts::Metamodel::Agent
- ActiveFacts::Metamodel::AgentName
- ActiveFacts::Metamodel::Aggregate
- ActiveFacts::Metamodel::AggregateCode
- ActiveFacts::Metamodel::Aggregation
- ActiveFacts::Metamodel::Agreement
- ActiveFacts::Metamodel::AllowedRange
- ActiveFacts::Metamodel::AlternativeSet
- ActiveFacts::Metamodel::Annotation
- ActiveFacts::Metamodel::Assimilation
- ActiveFacts::Metamodel::Bound
- ActiveFacts::Metamodel::Coefficient
- ActiveFacts::Metamodel::Component
- ActiveFacts::Metamodel::ComponentHash
- ActiveFacts::Metamodel::ComponentShape
- ActiveFacts::Metamodel::Composite
- ActiveFacts::Metamodel::CompositeGroup
- ActiveFacts::Metamodel::Composition
- ActiveFacts::Metamodel::CompoundMatching
- ActiveFacts::Metamodel::ComputedValue
- ActiveFacts::Metamodel::Concept
- ActiveFacts::Metamodel::ConceptAnnotation
- ActiveFacts::Metamodel::Constraint
- ActiveFacts::Metamodel::ConstraintShape
- ActiveFacts::Metamodel::ContextAccordingTo
- ActiveFacts::Metamodel::ContextAgreedBy
- ActiveFacts::Metamodel::ContextNote
- ActiveFacts::Metamodel::ContextNoteKind
- ActiveFacts::Metamodel::D
- ActiveFacts::Metamodel::DataType
- ActiveFacts::Metamodel::DataType::Context
- ActiveFacts::Metamodel::DataType::DefaultContext
- ActiveFacts::Metamodel::Date
- ActiveFacts::Metamodel::Denominator
- ActiveFacts::Metamodel::Derivation
- ActiveFacts::Metamodel::Description
- ActiveFacts::Metamodel::Diagram
- ActiveFacts::Metamodel::DiscriminatedRole
- ActiveFacts::Metamodel::Discriminator
- ActiveFacts::Metamodel::DisplayRoleNamesSetting
- ActiveFacts::Metamodel::DomainObjectType
- ActiveFacts::Metamodel::Enforcement
- ActiveFacts::Metamodel::EnforcementCode
- ActiveFacts::Metamodel::EntityType
- ActiveFacts::Metamodel::EphemeraURL
- ActiveFacts::Metamodel::Exponent
- ActiveFacts::Metamodel::Expression
- ActiveFacts::Metamodel::ExpressionObjectRef
- ActiveFacts::Metamodel::ExpressionType
- ActiveFacts::Metamodel::Fact
- ActiveFacts::Metamodel::FactType
- ActiveFacts::Metamodel::FactTypeShape
- ActiveFacts::Metamodel::ForeignKey
- ActiveFacts::Metamodel::ForeignKeyField
- ActiveFacts::Metamodel::Frequency
- ActiveFacts::Metamodel::FullAbsorption
- ActiveFacts::Metamodel::Guid
- ActiveFacts::Metamodel::HashValue
- ActiveFacts::Metamodel::ImplicationRule
- ActiveFacts::Metamodel::ImplicationRuleName
- ActiveFacts::Metamodel::Import
- ActiveFacts::Metamodel::Index
- ActiveFacts::Metamodel::IndexField
- ActiveFacts::Metamodel::Indicator
- ActiveFacts::Metamodel::Injection
- ActiveFacts::Metamodel::Instance
- ActiveFacts::Metamodel::LeafConstraint
- ActiveFacts::Metamodel::Length
- ActiveFacts::Metamodel::LinkFactType
- ActiveFacts::Metamodel::Literal
- ActiveFacts::Metamodel::LiteralString
- ActiveFacts::Metamodel::LocalConstraint
- ActiveFacts::Metamodel::Location
- ActiveFacts::Metamodel::Mapping
- ActiveFacts::Metamodel::MirrorRole
- ActiveFacts::Metamodel::ModelNoteShape
- ActiveFacts::Metamodel::Name
- ActiveFacts::Metamodel::Nesting
- ActiveFacts::Metamodel::NestingMode
- ActiveFacts::Metamodel::Numerator
- ActiveFacts::Metamodel::ORMDiagram
- ActiveFacts::Metamodel::ObjectType
- ActiveFacts::Metamodel::ObjectTypeShape
- ActiveFacts::Metamodel::ObjectifiedFactTypeNameShape
- ActiveFacts::Metamodel::Offset
- ActiveFacts::Metamodel::Operator
- ActiveFacts::Metamodel::Ordinal
- ActiveFacts::Metamodel::Play
- ActiveFacts::Metamodel::Population
- ActiveFacts::Metamodel::PresenceConstraint
- ActiveFacts::Metamodel::Pronoun
- ActiveFacts::Metamodel::Query
- ActiveFacts::Metamodel::Reading
- ActiveFacts::Metamodel::ReadingShape
- ActiveFacts::Metamodel::RegularExpression
- ActiveFacts::Metamodel::RestrictionStyle
- ActiveFacts::Metamodel::RingConstraint
- ActiveFacts::Metamodel::RingConstraintShape
- ActiveFacts::Metamodel::RingType
- ActiveFacts::Metamodel::Role
- ActiveFacts::Metamodel::RoleDisplay
- ActiveFacts::Metamodel::RoleNameShape
- ActiveFacts::Metamodel::RoleRef
- ActiveFacts::Metamodel::RoleSequence
- ActiveFacts::Metamodel::RoleValue
- ActiveFacts::Metamodel::RotationSetting
- ActiveFacts::Metamodel::Scale
- ActiveFacts::Metamodel::Scoping
- ActiveFacts::Metamodel::SetComparisonConstraint
- ActiveFacts::Metamodel::SetComparisonRoles
- ActiveFacts::Metamodel::SetConstraint
- ActiveFacts::Metamodel::SetEqualityConstraint
- ActiveFacts::Metamodel::SetExclusionConstraint
- ActiveFacts::Metamodel::Shape
- ActiveFacts::Metamodel::SimpleMatching
- ActiveFacts::Metamodel::SpanningConstraint
- ActiveFacts::Metamodel::Step
- ActiveFacts::Metamodel::Subscript
- ActiveFacts::Metamodel::SubsetConstraint
- ActiveFacts::Metamodel::SurrogateKey
- ActiveFacts::Metamodel::Text
- ActiveFacts::Metamodel::Topic
- ActiveFacts::Metamodel::TransactionPhase
- ActiveFacts::Metamodel::TransformMatching
- ActiveFacts::Metamodel::TransformRule
- ActiveFacts::Metamodel::TransformTargetRef
- ActiveFacts::Metamodel::TypeInheritance
- ActiveFacts::Metamodel::Unit
- ActiveFacts::Metamodel::ValidFrom
- ActiveFacts::Metamodel::Value
- ActiveFacts::Metamodel::ValueConstraint
- ActiveFacts::Metamodel::ValueConstraintShape
- ActiveFacts::Metamodel::ValueField
- ActiveFacts::Metamodel::ValueRange
- ActiveFacts::Metamodel::ValueType
- ActiveFacts::Metamodel::ValueTypeParameter
- ActiveFacts::Metamodel::ValueTypeParameterRestriction
- ActiveFacts::Metamodel::Variable
- ActiveFacts::Metamodel::VersionNumber
- ActiveFacts::Metamodel::VersionPattern
- ActiveFacts::Metamodel::Vocabulary
- ActiveFacts::Metamodel::X
- ActiveFacts::Metamodel::Y
- Array
- ModContext
- Object
- String
- String::Words
Methods
- ::choose_integer — ActiveFacts::Metamodel::DataType
- ::choose_integer — ActiveFacts::Metamodel::DataType
- ::intrinsic_type — ActiveFacts::Metamodel::DataType
- ::intrinsic_type — ActiveFacts::Metamodel::DataType
- ::new — ActiveFacts::Metamodel::DataType::Context
- ::plays_over — ActiveFacts::Metamodel
- ::type_mapping — ActiveFacts::Metamodel::DataType
- ::type_mapping — ActiveFacts::Metamodel::DataType
- #!= — ActiveFacts::Metamodel::Value
- #+ — String::Words
- #< — ActiveFacts::Metamodel::Value
- #<= — ActiveFacts::Metamodel::Bound
- #<= — ActiveFacts::Metamodel::Value
- #== — ActiveFacts::Metamodel::Value
- #> — ActiveFacts::Metamodel::Value
- #>= — ActiveFacts::Metamodel::Bound
- #>= — ActiveFacts::Metamodel::Value
- #add_supertype — ActiveFacts::Metamodel::EntityType
- #all_allowed_range_sorted — ActiveFacts::Metamodel::ValueConstraint
- #all_composite_by_name — ActiveFacts::Metamodel::Composition
- #all_constrained_role — ActiveFacts::Metamodel::ValueConstraint
- #all_constrained_role — ActiveFacts::Metamodel::PresenceConstraint
- #all_constrained_role — ActiveFacts::Metamodel::SubsetConstraint
- #all_constrained_role — ActiveFacts::Metamodel::SetComparisonConstraint
- #all_constrained_role — ActiveFacts::Metamodel::RingConstraint
- #all_constraint — ActiveFacts::Metamodel::Role
- #all_foreign_key_as_target_composite — ActiveFacts::Metamodel::Composite
- #all_index — ActiveFacts::Metamodel::Composite
- #all_indices_by_rank — ActiveFacts::Metamodel::Composite
- #all_leaf — ActiveFacts::Metamodel::Mapping
- #all_reading — ActiveFacts::Metamodel::LinkFactType
- #all_reading_by_ordinal — ActiveFacts::Metamodel::FactType
- #all_role — ActiveFacts::Metamodel::Component
- #all_role — ActiveFacts::Metamodel::Absorption
- #all_role — ActiveFacts::Metamodel::Indicator
- #all_role — ActiveFacts::Metamodel::Discriminator
- #all_role_in_order — ActiveFacts::Metamodel::FactType
- #all_role_ref_in_order — ActiveFacts::Metamodel::RoleSequence
- #all_role_transitive — ActiveFacts::Metamodel::ObjectType
- #all_step — ActiveFacts::Metamodel::Variable
- #all_subtype — ActiveFacts::Metamodel::ValueType
- #all_subtype — ActiveFacts::Metamodel::EntityType
- #all_supertype — ActiveFacts::Metamodel::ValueType
- #all_supertype — ActiveFacts::Metamodel::EntityType
- #all_supertype_inheritance — ActiveFacts::Metamodel::EntityType
- #all_value_type_parameter_transitive — ActiveFacts::Metamodel::ValueType
- #applicable_parameter_restrictions — ActiveFacts::Metamodel::ValueType
- #as_cql — ActiveFacts::Metamodel::ValueConstraint
- #as_cql — ActiveFacts::Metamodel::ContextNote
- #assimilation — ActiveFacts::Metamodel::EntityType
- #base_role — ActiveFacts::Metamodel::Role
- #boolean_type — ActiveFacts::Metamodel::DataType::Context
- #boolean_type — ActiveFacts::Metamodel::DataType::DefaultContext
- #camelcase — String::Words
- #camelwords — String::Words
- #capcase — String::Words
- #capwords — String::Words
- #check_valid_nonexistent_object_type_name — ActiveFacts::Metamodel::Vocabulary
- #choose_integer_range — ActiveFacts::Metamodel::DataType::Context
- #comment — ActiveFacts::Metamodel::Component
- #comment — ActiveFacts::Metamodel::Absorption
- #comment — ActiveFacts::Metamodel::Indicator
- #comment — ActiveFacts::Metamodel::ValueField
- #comment — ActiveFacts::Metamodel::SurrogateKey
- #common_supertype — ActiveFacts::Metamodel::ValueType
- #common_supertype — ActiveFacts::Metamodel::EntityType
- #compatible_readings — ActiveFacts::Metamodel::FactType
- #counterpart — ActiveFacts::Metamodel::Role
- #covers_role — ActiveFacts::Metamodel::PresenceConstraint
- #cql_leading_adjective — ActiveFacts::Metamodel::RoleRef
- #cql_name — ActiveFacts::Metamodel::RoleRef
- #cql_trailing_adjective — ActiveFacts::Metamodel::RoleRef
- #create_link_fact_types — ActiveFacts::Metamodel::EntityType
- #data_type — ActiveFacts::Metamodel::Component
- #default_length — ActiveFacts::Metamodel::DataType::Context
- #default_length — ActiveFacts::Metamodel::DataType::DefaultContext
- #default_reading — ActiveFacts::Metamodel::FactType
- #depth — ActiveFacts::Metamodel::Component
- #describe — ActiveFacts::Metamodel::Concept
- #describe — ActiveFacts::Metamodel::Unit
- #describe — ActiveFacts::Metamodel::FactType
- #describe — ActiveFacts::Metamodel::Role
- #describe — ActiveFacts::Metamodel::RoleRef
- #describe — ActiveFacts::Metamodel::RoleSequence
- #describe — ActiveFacts::Metamodel::ValueTypeParameter
- #describe — ActiveFacts::Metamodel::ValueConstraint
- #describe — ActiveFacts::Metamodel::PresenceConstraint
- #describe — ActiveFacts::Metamodel::SubsetConstraint
- #describe — ActiveFacts::Metamodel::SetComparisonRoles
- #describe — ActiveFacts::Metamodel::SetComparisonConstraint
- #describe — ActiveFacts::Metamodel::SetEqualityConstraint
- #describe — ActiveFacts::Metamodel::SetExclusionConstraint
- #describe — ActiveFacts::Metamodel::RingConstraint
- #describe — ActiveFacts::Metamodel::TypeInheritance
- #describe — ActiveFacts::Metamodel::Step
- #describe — ActiveFacts::Metamodel::Variable
- #describe — ActiveFacts::Metamodel::Play
- #describe — ActiveFacts::Metamodel::Query
- #describe — ActiveFacts::Metamodel::TransformRule
- #describe — ActiveFacts::Metamodel::CompoundMatching
- #describe — ActiveFacts::Metamodel::SimpleMatching
- #duplicates — Array
- #effective_maximum — ActiveFacts::Metamodel::ValueRange
- #effective_minimum — ActiveFacts::Metamodel::ValueRange
- #effective_value — ActiveFacts::Metamodel::Value
- #elide_repeated_subsequences — Array
- #embodied_as — ActiveFacts::Metamodel::Concept
- #expand — ActiveFacts::Metamodel::Reading
- #expand_with_final_presence_constraint — ActiveFacts::Metamodel::Reading
- #finalise — ActiveFacts::Metamodel::Vocabulary
- #flip! — ActiveFacts::Metamodel::Absorption
- #fork_to_new_parent — ActiveFacts::Metamodel::Component
- #fork_to_new_parent — ActiveFacts::Metamodel::ValueField
- #frequency — ActiveFacts::Metamodel::PresenceConstraint
- #identification_is_inherited — ActiveFacts::Metamodel::EntityType
- #identifying_supertype — ActiveFacts::Metamodel::EntityType
- #identifying_type_inheritance — ActiveFacts::Metamodel::EntityType
- #in_foreign_key — ActiveFacts::Metamodel::Component
- #in_natural_index — ActiveFacts::Metamodel::Component
- #in_primary_index — ActiveFacts::Metamodel::Component
- #includes? — ActiveFacts::Metamodel::ValueRange
- #index — Array
- #input_play — ActiveFacts::Metamodel::Step
- #inspect — ActiveFacts::Metamodel::Component
- #inspect — ActiveFacts::Metamodel::ValueTypeParameterRestriction
- #inspect — ActiveFacts::Metamodel::ValueRange
- #inspect — ActiveFacts::Metamodel::Value
- #inspect — ActiveFacts::Metamodel::Composite
- #inspect — ActiveFacts::Metamodel::Index
- #inspect — ActiveFacts::Metamodel::ForeignKey
- #inspect — ActiveFacts::Metamodel::IndexField
- #inspect — ActiveFacts::Metamodel::ForeignKeyField
- #inspect — ActiveFacts::Metamodel::Mapping
- #inspect — ActiveFacts::Metamodel::Absorption
- #inspect — ActiveFacts::Metamodel::FullAbsorption
- #inspect — ActiveFacts::Metamodel::Indicator
- #inspect — ActiveFacts::Metamodel::Discriminator
- #inspect — ActiveFacts::Metamodel::ValueField
- #inspect — ActiveFacts::Metamodel::SurrogateKey
- #inspect — String::Words
- #inspect_reason — ActiveFacts::Metamodel::Mapping
- #inspect_reason — ActiveFacts::Metamodel::Absorption
- #integer_ranges — ActiveFacts::Metamodel::DataType::Context
- #integer_ranges — ActiveFacts::Metamodel::DataType::DefaultContext
- #integer_ranges — ModContext
- #internal_presence_constraints — ActiveFacts::Metamodel::FactType
- #is_auto_assigned — ActiveFacts::Metamodel::Component
- #is_auto_assigned — ActiveFacts::Metamodel::ValueType
- #is_auto_assigned — ActiveFacts::Metamodel::Mapping
- #is_auto_assigned — ActiveFacts::Metamodel::SurrogateKey
- #is_existential — ActiveFacts::Metamodel::FactType
- #is_functional — ActiveFacts::Metamodel::Role
- #is_functional — ActiveFacts::Metamodel::MirrorRole
- #is_identifying — ActiveFacts::Metamodel::Role
- #is_identifying — ActiveFacts::Metamodel::SurrogateKey
- #is_in_primary — ActiveFacts::Metamodel::Component
- #is_link_role — ActiveFacts::Metamodel::Role
- #is_mandatory — ActiveFacts::Metamodel::Component
- #is_mandatory — ActiveFacts::Metamodel::Role
- #is_mandatory — ActiveFacts::Metamodel::MirrorRole
- #is_mandatory — ActiveFacts::Metamodel::Mapping
- #is_mandatory — ActiveFacts::Metamodel::Absorption
- #is_mandatory — ActiveFacts::Metamodel::Indicator
- #is_mirror_role — ActiveFacts::Metamodel::Role
- #is_objectification_role — ActiveFacts::Metamodel::Role
- #is_objectification_step — ActiveFacts::Metamodel::Step
- #is_one_to_one — ActiveFacts::Metamodel::Absorption
- #is_partitioned — ActiveFacts::Metamodel::ObjectType
- #is_partitioned — ActiveFacts::Metamodel::EntityType
- #is_partitioned_here — ActiveFacts::Metamodel::Mapping
- #is_partitioned_here — ActiveFacts::Metamodel::Absorption
- #is_preferred_direction — ActiveFacts::Metamodel::Absorption
- #is_separate — ActiveFacts::Metamodel::ObjectType
- #is_separate — ActiveFacts::Metamodel::EntityType
- #is_static — ActiveFacts::Metamodel::ObjectType
- #is_subtype_absorption — ActiveFacts::Metamodel::Absorption
- #is_supertype_absorption — ActiveFacts::Metamodel::Absorption
- #is_type_inheritance — ActiveFacts::Metamodel::Mapping
- #is_type_inheritance — ActiveFacts::Metamodel::Absorption
- #is_unary — ActiveFacts::Metamodel::FactType
- #is_unary_step — ActiveFacts::Metamodel::Step
- #is_unique — ActiveFacts::Metamodel::Role
- #is_unique — ActiveFacts::Metamodel::MirrorRole
- #leaves — ActiveFacts::Metamodel::Component
- #name — ActiveFacts::Metamodel::Role
- #narrow_value_constraint — ActiveFacts::Metamodel::Component
- #object_type_lookup — ActiveFacts::Metamodel::Vocabulary
- #objectification_role — ActiveFacts::Metamodel::LinkFactType
- #output_plays — ActiveFacts::Metamodel::Step
- #parent_entity_type — ActiveFacts::Metamodel::Component
- #path — ActiveFacts::Metamodel::Component
- #path_mandatory — ActiveFacts::Metamodel::Component
- #path_mandatory — ActiveFacts::Metamodel::Mapping
- #path_mandatory — ActiveFacts::Metamodel::Absorption
- #path_mandatory — ActiveFacts::Metamodel::Scoping
- #position_in_index — ActiveFacts::Metamodel::AccessPath
- #precursors — ActiveFacts::Metamodel::Concept
- #precursors — ActiveFacts::Metamodel::Topic
- #preferred_identifier — ActiveFacts::Metamodel::EntityType
- #preferred_identifier_roles — ActiveFacts::Metamodel::EntityType
- #preferred_reading — ActiveFacts::Metamodel::FactType
- #preferred_reference — ActiveFacts::Metamodel::Role
- #preferred_reference — ActiveFacts::Metamodel::RoleRef
- #primary_index_components — ActiveFacts::Metamodel::Component
- #rank_in_preferred_identifier — ActiveFacts::Metamodel::EntityType
- #rank_key — ActiveFacts::Metamodel::Component
- #rank_kind — ActiveFacts::Metamodel::Component
- #rank_path — ActiveFacts::Metamodel::Component
- #re_rank — ActiveFacts::Metamodel::Mapping
- #reading_preferably_starting_with_role — ActiveFacts::Metamodel::FactType
- #role_name — ActiveFacts::Metamodel::RoleRef
- #role_numbers — ActiveFacts::Metamodel::Reading
- #root — ActiveFacts::Metamodel::Component
- #root — ActiveFacts::Metamodel::Mapping
- #shoutcase — String::Words
- #shoutwords — String::Words
- #show — ActiveFacts::Metamodel::Query
- #show_trace — ActiveFacts::Metamodel::Component
- #show_trace — ActiveFacts::Metamodel::Composite
- #show_trace — ActiveFacts::Metamodel::AccessPath
- #show_trace — ActiveFacts::Metamodel::Mapping
- #show_trace — ActiveFacts::Metamodel::Nesting
- #show_trace — ActiveFacts::Metamodel::Absorption
- #show_trace — ActiveFacts::Metamodel::Indicator
- #show_trace — ActiveFacts::Metamodel::Discriminator
- #show_trace — ActiveFacts::Metamodel::ValueField
- #show_trace — ActiveFacts::Metamodel::SurrogateKey
- #snakecase — String::Words
- #snakewords — String::Words
- #subtype_role — ActiveFacts::Metamodel::TypeInheritance
- #subtypes — ActiveFacts::Metamodel::ValueType
- #subtypes — ActiveFacts::Metamodel::EntityType
- #subtypes_transitive — ActiveFacts::Metamodel::ValueType
- #subtypes_transitive — ActiveFacts::Metamodel::EntityType
- #supertype_role — ActiveFacts::Metamodel::TypeInheritance
- #supertypes — ActiveFacts::Metamodel::EntityType
- #supertypes_transitive — ActiveFacts::Metamodel::ValueType
- #supertypes_transitive — ActiveFacts::Metamodel::EntityType
- #surrogate_type — ActiveFacts::Metamodel::DataType::Context
- #surrogate_type — ActiveFacts::Metamodel::DataType::DefaultContext
- #titlecase — String::Words
- #titlewords — String::Words
- #to_a — String::Words
- #to_s — ActiveFacts::Metamodel::Coefficient
- #to_s — ActiveFacts::Metamodel::ValueConstraint
- #to_s — ActiveFacts::Metamodel::AllowedRange
- #to_s — ActiveFacts::Metamodel::ValueRange
- #to_s — ActiveFacts::Metamodel::Value
- #to_s — String::Words
- #unary_name — ActiveFacts::Metamodel::Role
- #uncache_rank_key — ActiveFacts::Metamodel::Component
- #unindent — String
- #unique — ActiveFacts::Metamodel::Role
- #uniqueness_constraint — ActiveFacts::Metamodel::Role
- #uniqueness_constraint — ActiveFacts::Metamodel::MirrorRole
- #valid_entity_type_name — ActiveFacts::Metamodel::Vocabulary
- #valid_object_type_name — ActiveFacts::Metamodel::Vocabulary
- #valid_value_type_name — ActiveFacts::Metamodel::Vocabulary
- #validate — ActiveFacts::Metamodel::Query
- #validate — ActiveFacts::Metamodel::Composition
- #validate — ActiveFacts::Metamodel::Composite
- #validate_access_paths — ActiveFacts::Metamodel::Composite
- #validate_members — ActiveFacts::Metamodel::Mapping
- #validate_nesting — ActiveFacts::Metamodel::Absorption
- #validate_reverse — ActiveFacts::Metamodel::Mapping
- #value_constraints — ActiveFacts::Metamodel::Absorption
- #verbalise — ActiveFacts::Metamodel::Fact
- #verbalise — ActiveFacts::Metamodel::Instance
- #verbalise — ActiveFacts::Metamodel::ContextNote
- #words — String
- #words_and_role_refs — ActiveFacts::Metamodel::Reading