ai.grakn.graql.internal.reasoner.atom.binary

Class OntologicalAtom

java.lang.Object

ai.grakn.graql.internal.reasoner.atom.AtomicBase

ai.grakn.graql.internal.reasoner.atom.Atom

ai.grakn.graql.internal.reasoner.atom.binary.Binary

ai.grakn.graql.internal.reasoner.atom.binary.TypeAtom

ai.grakn.graql.internal.reasoner.atom.binary.OntologicalAtom

All Implemented Interfaces:

Atomic

Direct Known Subclasses:

HasAtom, PlaysAtom, RelatesAtom, SubAtom

public abstract class OntologicalAtom
extends TypeAtom

Base class for defining ontological Atom - ones referring to ontological elements.

Author:

Kasper Piskorski

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	OntologicalAtom(TypeAtom a)
protected	OntologicalAtom(VarPattern pattern, Var predicateVar, IdPredicate p, ReasonerQuery par)

Method Summary

Modifier and Type	Method and Description
java.util.stream.Stream<InferenceRule>	getApplicableRules()
boolean	isSelectable()
Set<String>	validateAsRuleHead(Rule rule)

Methods inherited from class ai.grakn.graql.internal.reasoner.atom.binary.TypeAtom

computePriority, equals, getSchemaConcept, hashCode, isRuleApplicableViaAtom, isType, requiresMaterialisation, unify

Methods inherited from class ai.grakn.graql.internal.reasoner.atom.binary.Binary

alphaEquivalenceHashCode, checkValid, createCombinedPattern, getInnerPredicates, getPredicateVariable, getTypeId, getTypePredicate, getUnifier, getVarNames, isAlphaEquivalent, isStructurallyEquivalent, setParentQuery, structuralEquivalenceHashCode

Methods inherited from class ai.grakn.graql.internal.reasoner.atom.Atom

addType, atomOptions, getIdPredicate, getInnerPredicates, getMultiUnifier, getNeighbours, getNonSelectableConstraints, getPartialSubstitutions, getPotentialRules, getPredicate, getPredicates, getPredicates, getRoleExpansionVariables, getSpecificTypeConstraints, getTypeConstraints, getVarProperties, getVarPropertyClass, inferTypes, inferTypes, isAtom, isGround, isRecursive, isRuleResolvable, materialise, requiresRoleExpansion, rewriteToUserDefined, rewriteWithRelationVariable, rewriteWithTypeVariable, rewriteWithTypeVariable, toRelationshipAtom

Methods inherited from class ai.grakn.graql.internal.reasoner.atom.AtomicBase

containsVar, copy, getCombinedPattern, getParentQuery, getPattern, getVarName, isUserDefined, toString, tx

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface ai.grakn.graql.admin.Atomic

isCompatibleWith, isRelation, isResource, validateOntologically

Constructor Detail

OntologicalAtom

protected OntologicalAtom(VarPattern pattern,
                          Var predicateVar,
                          @Nullable
                          IdPredicate p,
                          ReasonerQuery par)

OntologicalAtom

protected OntologicalAtom(TypeAtom a)

Method Detail

isSelectable

public boolean isSelectable()

Specified by:

isSelectable in interface Atomic

Overrides:

isSelectable in class TypeAtom

getApplicableRules

public java.util.stream.Stream<InferenceRule> getApplicableRules()

Overrides:

getApplicableRules in class Atom

Returns:

set of applicable rules - does detailed (slow) check for applicability

validateAsRuleHead

public Set<String> validateAsRuleHead(Rule rule)

Specified by:

validateAsRuleHead in interface Atomic

Overrides:

validateAsRuleHead in class Atom