ai.grakn.concept

Interface Role

All Superinterfaces:

Comparable<Concept>, Concept, OntologyConcept

public interface Role
extends OntologyConcept

An OntologyConcept which defines a role which can be played in a RelationType

This ontological element defines the Role which make up a RelationType. It behaves similarly to OntologyConcept when relating to other types.

Author:

fppt

Method Summary

Modifier and Type	Method and Description
default Role	asRole() Deprecated.
default boolean	isRole() Deprecated.
Collection<Type>	playedByTypes() Returns a collection of the Types that can play this Role.
Collection<RelationType>	relationTypes() Returns the RelationTypes that this Role takes part in.
Role	setLabel(Label label) Changes the Label of this Concept to a new one.
Role	sub(Role type) Adds another sub to this type
Collection<Role>	subs() Returns the sub of this Role.
Role	sup() Returns the super of this Role.
Role	sup(Role type) Sets the super of this Role.

Methods inherited from interface ai.grakn.concept.OntologyConcept

asOntologyConcept, getLabel, getLabelId, getRulesOfConclusion, getRulesOfHypothesis, isImplicit, isOntologyConcept

Methods inherited from interface ai.grakn.concept.Concept

asEntity, asEntityType, asRelation, asRelationType, asResource, asResourceType, asRule, asRuleType, asThing, asType, delete, getId, isEntity, isEntityType, isRelation, isRelationType, isResource, isResourceType, isRule, isRuleType, isThing, isType

Methods inherited from interface java.lang.Comparable

compareTo

Method Detail

setLabel

Role setLabel(Label label)

Changes the Label of this Concept to a new one.

Specified by:

setLabel in interface OntologyConcept

Parameters:

label - The new Label.

Returns:

The Concept itself

sup

Role sup(Role type)

Sets the super of this Role.

Parameters:

type - The super of this Role

Returns:

The Role itself

sub

Role sub(Role type)

Adds another sub to this type

Parameters:

type - The sub type of this role type

Returns:

The Role itself

sup

@Nonnull
Role sup()

Returns the super of this Role.

Specified by:

sup in interface OntologyConcept

Returns:

The super of this Role

subs

Collection<Role> subs()

Returns the sub of this Role.

Specified by:

subs in interface OntologyConcept

Returns:

The sub of this Role

relationTypes

@CheckReturnValue
Collection<RelationType> relationTypes()

Returns the RelationTypes that this Role takes part in.

Returns:

The RelationTypes which this role takes part in.

See Also:

RelationType

playedByTypes

@CheckReturnValue
Collection<Type> playedByTypes()

Returns a collection of the Types that can play this Role.

Returns:

A list of all the Types which can play this role.

See Also:

Type

asRole

@Deprecated
 @CheckReturnValue
default Role asRole()

Deprecated.

Description copied from interface: Concept

Return as a Role if the Concept is a Role.

Specified by:

asRole in interface Concept

Returns:

A Role if the Concept is a Role

isRole

@Deprecated
 @CheckReturnValue
default boolean isRole()

Deprecated.

Description copied from interface: Concept

Determine if the Concept is a Role.

Specified by:

isRole in interface Concept

Returns:

true if the Concept is a Role