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

Class Resource

java.lang.Object

ai.grakn.graql.internal.reasoner.atom.AtomBase

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

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

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

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

All Implemented Interfaces:

Atomic, Cloneable

public class Resource
extends MultiPredicateBinary

Atom implementation defining a resource atom.

Author:

Kasper Piskorski

Field Summary

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

type, typeId

Fields inherited from class ai.grakn.graql.internal.reasoner.atom.AtomBase

atomPattern, varName

Constructor Summary

Constructors

Constructor and Description
Resource(VarAdmin pattern, Query par)
Resource(VarAdmin pattern, Set<Predicate> p, Query par)

Method Summary

Modifier and Type	Method and Description
Atomic	clone()
protected ConceptId	extractTypeId(VarAdmin var)
protected VarName	extractValueVariableName(VarAdmin var)
Set<VarName>	getSelectedNames()
Set<Predicate>	getValuePredicates()
boolean	isResource()
protected boolean	isRuleApplicable(InferenceRule child)
boolean	isSelectable()
boolean	requiresMaterialisation()
protected void	setValueVariable(VarName var)

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

equivalenceHashCode, getCombinedPattern, getMultiPredicate, isValueUserDefinedName, predicatesEquivalent, setParentQuery, unify

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

equals, getIdPredicates, getLinkedAtoms, getPredicates, getUnifiers, getValueVariable, getVarNames, hashCode, isBinary, isEquivalent

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

getApplicableRules, getRoleVarTypeMap, getType, getTypeConstraints, getTypeId, getVarTypeRoleMap, inferTypes, isAtom, isRecursive, isRelation, isRuleResolvable, isType, rewrite

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

containsVar, getParentQuery, getPattern, getVarName, isUserDefinedName, resetNames, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface ai.grakn.graql.internal.reasoner.atom.Atomic

isPredicate

Constructor Detail

Resource

public Resource(VarAdmin pattern,
                Query par)

Resource

public Resource(VarAdmin pattern,
                Set<Predicate> p,
                Query par)

Method Detail

isRuleApplicable

protected boolean isRuleApplicable(InferenceRule child)

Overrides:

isRuleApplicable in class BinaryBase

extractTypeId

protected ConceptId extractTypeId(VarAdmin var)

Specified by:

extractTypeId in class MultiPredicateBinary

extractValueVariableName

protected VarName extractValueVariableName(VarAdmin var)

Specified by:

extractValueVariableName in class BinaryBase

setValueVariable

protected void setValueVariable(VarName var)

Overrides:

setValueVariable in class BinaryBase

clone

public Atomic clone()

Specified by:

clone in interface Atomic

Specified by:

clone in class AtomBase

isResource

public boolean isResource()

Overrides:

isResource in class Atom

Returns:

true if the atom corresponds to a resource atom

isSelectable

public boolean isSelectable()

Returns:

true if the atom can form an atomic query

requiresMaterialisation

public boolean requiresMaterialisation()

Overrides:

requiresMaterialisation in class BinaryBase

Returns:

true if the atom requires materialisation in order to be referenced

getValuePredicates

public Set<Predicate> getValuePredicates()

Overrides:

getValuePredicates in class BinaryBase

Returns:

set of value predicates relevant to this atom

getSelectedNames

public Set<VarName> getSelectedNames()

Overrides:

getSelectedNames in class BinaryBase