Uses of Interface
ai.grakn.concept.RelationType

Packages that use RelationType

Package	Description
ai.grakn
ai.grakn.concept
ai.grakn.graph.internal
ai.grakn.graql.internal.reasoner
ai.grakn.migration.owl

Uses of RelationType in ai.grakn

Methods in ai.grakn that return RelationType

Modifier and Type	Method and Description
RelationType	GraknAdmin.getMetaRelationType() Get the root of all Relation Types.
RelationType	GraknGraph.getRelationType(String name) Get the Relation Type with the name provided, if it exists.
RelationType	GraknGraph.putRelationType(String name) Create a Relation Type, or return a pre-existing Relation Type, with the specified name.

Methods in ai.grakn with parameters of type RelationType

Modifier and Type	Method and Description
Relation	GraknGraph.getRelation(RelationType relationType, Map<RoleType,Instance> roleMap) Get a collection of Relations that match the specified Relation Type and role map, if it exists.

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.deleteHasRole(RoleType roleType) Delete a RoleType from this RelationType
RelationType	RelationType.deletePlaysRole(RoleType roleType) Removes the RoleType to prevent instances of this RelationType from playing it.
RelationType	Type.hasResource(ResourceType resourceType) Creates a RelationType which allows this type and a resource type to be linked.
RelationType	RelationType.hasRole(RoleType roleType) Sets a new RoleType for this RelationType.
RelationType	Type.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.playsRole(RoleType roleType) Sets the RoleType which instances of this RelationType may play.
RelationType	RelationType.setAbstract(Boolean isAbstract) Sets the RelationType to be abstract - which prevents it from having any instances.
RelationType	RelationType.superType() Returns the supertype of this RelationType.
RelationType	RelationType.superType(RelationType type) Sets the supertype of the RelationType to be the EntityType 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.superType(RelationType type) Sets the supertype of the RelationType to be the EntityType specified.

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 name)
RelationType	AbstractGraknGraph.putRelationType(String name)

Methods in ai.grakn.graph.internal with parameters of type RelationType

Modifier and Type	Method and Description
Relation	AbstractGraknGraph.getRelation(RelationType relationType, Map<RoleType,Instance> roleMap)

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
static java.util.function.Function<Type,Set<RelationType>>	Utility.typeToRelationTypes

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)

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

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

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)