Uses of Interface
ai.grakn.concept.RelationType

Packages that use RelationType

Package	Description
ai.grakn	A core package for connecting to a Grakn knowledge graph.
ai.grakn.concept	Provides the meta-ontology interfaces and definitions.
ai.grakn.graph.admin
ai.grakn.graph.internal	Internal implementation of Grakn graph.
ai.grakn.graql.internal.reasoner
ai.grakn.migration.owl	Implements migration of OWL into Grakn.

Uses of RelationType in ai.grakn

Methods in ai.grakn that return RelationType

Modifier and Type	Method and Description
RelationType	GraknGraph.getRelationType(String label) Get the Relation Type with the label provided, if it exists.
RelationType	GraknGraph.putRelationType(String label) Create a RelationType with super-type relation, or return a pre-existing RelationType, with the specified label.
RelationType	GraknGraph.putRelationType(TypeLabel label) Create a RelationType with super-type relation, or return a pre-existing RelationType, with the specified label.

Uses of RelationType in ai.grakn.concept

Methods in ai.grakn.concept that return RelationType

Modifier and Type	Method and Description
RelationType	Concept.asRelationType() Return as a Relation Type if the concept is a Relation Type.
RelationType	RelationType.copy()
RelationType	RelationType.deletePlays(RoleType roleType) Removes the RoleType to prevent instances of this RelationType from playing it.
RelationType	RelationType.deleteRelates(RoleType roleType) Delete a RoleType from this RelationType
RelationType	RelationType.deleteScope(Instance scope) Delete the scope specified.
RelationType	RelationType.key(ResourceType resourceType) Creates a RelationType which allows this type and a resource type to be linked in a strictly one-to-one mapping.
RelationType	RelationType.plays(RoleType roleType) Sets the RoleType which instances of this RelationType may play.
RelationType	RelationType.relates(RoleType roleType) Sets a new RoleType for this RelationType.
RelationType	RelationType.resource(ResourceType resourceType) Creates a RelationType which allows this type and a resource type to be linked.
RelationType	RelationType.scope(Instance scope) Classifies the type to a specific scope.
RelationType	RelationType.setAbstract(Boolean isAbstract) Sets the RelationType to be abstract - which prevents it from having any instances.
RelationType	RelationType.subType(RelationType type) Adds another subtype to this type
RelationType	RelationType.superType() Returns the direct supertype of this RelationType.
RelationType	RelationType.superType(RelationType type) Sets the supertype of the RelationType to be the RelationType specified.
RelationType	Relation.type() Retrieve the associated Relation Type for this Relation.

Methods in ai.grakn.concept that return types with arguments of type RelationType

Modifier and Type	Method and Description
Collection<RelationType>	RoleType.relationTypes() Returns the RelationTypes that this RoleType takes part in.
Collection<RelationType>	RelationType.subTypes() Returns a collection of subtypes of this RelationType.

Methods in ai.grakn.concept with parameters of type RelationType

Modifier and Type	Method and Description
RelationType	RelationType.subType(RelationType type) Adds another subtype to this type
RelationType	RelationType.superType(RelationType type) Sets the supertype of the RelationType to be the RelationType specified.

Uses of RelationType in ai.grakn.graph.admin

Methods in ai.grakn.graph.admin that return RelationType

Modifier and Type	Method and Description
RelationType	GraknAdmin.getMetaRelationType() Get the root of all Relation Types.

Uses of RelationType in ai.grakn.graph.internal

Methods in ai.grakn.graph.internal that return RelationType

Modifier and Type	Method and Description
RelationType	AbstractGraknGraph.getMetaRelationType()
RelationType	AbstractGraknGraph.getRelationType(String label)
RelationType	AbstractGraknGraph.putRelationType(String label)
RelationType	AbstractGraknGraph.putRelationType(TypeLabel label)

Uses of RelationType in ai.grakn.graql.internal.reasoner

Fields in ai.grakn.graql.internal.reasoner with type parameters of type RelationType

Modifier and Type	Field and Description
static java.util.function.Function<RoleType,Set<RelationType>>	Utility.roleToRelationTypes convert given role type to a set of relation types in which it can appear
static java.util.function.Function<Type,Set<RelationType>>	Utility.typeToRelationTypes convert given entity type to a set of relation types in which it can play roles

Methods in ai.grakn.graql.internal.reasoner that return types with arguments of type RelationType

Modifier and Type	Method and Description
static <T extends Type> Set<RelationType>	Utility.getCompatibleRelationTypes(Set<T> types, java.util.function.Function<T,Set<RelationType>> typeMapper) compute the set of compatible relation types for given types (intersection of allowed sets of relation types for each entry type)

Methods in ai.grakn.graql.internal.reasoner with parameters of type RelationType

Modifier and Type	Method and Description
static Rule	Utility.createPropertyChainRule(RelationType relation, TypeLabel fromRoleLabel, TypeLabel toRoleLabel, LinkedHashMap<RelationType,javafx.util.Pair<TypeLabel,TypeLabel>> chain, GraknGraph graph) creates rule R(fromRole: x, toRole: xm) :- R1(fromRole: x, ...), , R2, ...
static Rule	Utility.createReflexiveRule(RelationType relType, TypeLabel fromRoleLabel, TypeLabel toRoleLabel, GraknGraph graph) create reflexive rule R(from: X, to: X) :- R(from: X,to: Y)
static Rule	Utility.createSubPropertyRule(RelationType parent, RelationType child, Map<TypeLabel,TypeLabel> roleMappings, GraknGraph graph) creates rule parent :- child
static Rule	Utility.createTransitiveRule(RelationType relType, TypeLabel fromRoleLabel, TypeLabel toRoleLabel, GraknGraph graph) create transitive rule R(from: X, to: Y) :- R(from: X,to: Z), R(from: Z, to: Y)

Method parameters in ai.grakn.graql.internal.reasoner with type arguments of type RelationType

Modifier and Type	Method and Description
static Rule	Utility.createPropertyChainRule(RelationType relation, TypeLabel fromRoleLabel, TypeLabel toRoleLabel, LinkedHashMap<RelationType,javafx.util.Pair<TypeLabel,TypeLabel>> chain, GraknGraph graph) creates rule R(fromRole: x, toRole: xm) :- R1(fromRole: x, ...), , R2, ...
static <T extends Type> Set<RelationType>	Utility.getCompatibleRelationTypes(Set<T> types, java.util.function.Function<T,Set<RelationType>> typeMapper) compute the set of compatible relation types for given types (intersection of allowed sets of relation types for each entry type)

Uses of RelationType in ai.grakn.migration.owl

Methods in ai.grakn.migration.owl that return RelationType

Modifier and Type	Method and Description
RelationType	OWLMigrator.relation(org.semanticweb.owlapi.model.OWLAnnotationProperty property)
RelationType	OWLMigrator.relation(org.semanticweb.owlapi.model.OWLDataProperty property)
RelationType	OWLMigrator.relation(org.semanticweb.owlapi.model.OWLObjectProperty property)

Methods in ai.grakn.migration.owl with parameters of type RelationType

Modifier and Type	Method and Description
RoleType	OWLMigrator.objectRole(RelationType relType)
RoleType	OWLMigrator.subjectRole(RelationType relType)