ai.grakn.graql.internal.reasoner.atom

Class Binary

java.lang.Object

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

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

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

All Implemented Interfaces:

Atomic, Cloneable

Direct Known Subclasses:

Resource, TypeAtom

public abstract class Binary
extends Atom

Field Summary

Fields

Modifier and Type	Field and Description
protected String	valueVariable

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
Binary(Binary a)
Binary(VarAdmin pattern)
Binary(VarAdmin pattern, Query par)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
int	equivalenceHashCode()
protected abstract String	extractValueVariableName(VarAdmin var)
Set<Atom>	getLinkedAtoms()
Predicate	getPredicate()
Set<Predicate>	getPredicates()
Map<String,String>	getUnifiers(Atomic parentAtom)
String	getValueVariable()
Set<String>	getVarNames()
int	hashCode()
boolean	isBinary()
boolean	isEquivalent(Object obj)
protected abstract void	setValueVariable(String var)
void	unify(Map<String,String> unifiers) change each variable occurrence according to provided mappings (apply unifiers {[from, to]_i}) if capture occurs it is marked with a "capture->" name
void	unify(String from, String to) change each variable occurrence in the atom (apply unifier [from/to]) if capture occurs it is marked with a "capture->" name

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

getApplicableRules, getIdPredicates, getRoleConceptIdMap, getRoleVarTypeMap, getType, getTypeConstraints, getTypeId, getValuePredicates, getVarSubMap, getVarTypeRoleMap, isAtom, isRecursive, isRelation, isResource, isRuleResolvable, isType

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

clone, containsVar, getParentQuery, getPattern, getVarName, setParentQuery, 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

Field Detail

valueVariable

protected String valueVariable

Constructor Detail

Binary

public Binary(VarAdmin pattern)

Binary

public Binary(VarAdmin pattern,
              Query par)

Binary

public Binary(Binary a)

Method Detail

extractValueVariableName

protected abstract String extractValueVariableName(VarAdmin var)

getPredicate

public Predicate getPredicate()

isBinary

public boolean isBinary()

Overrides:

isBinary in class Atom

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

isEquivalent

public boolean isEquivalent(Object obj)

Returns:

true if atom alpha-equivalent

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equivalenceHashCode

public int equivalenceHashCode()

getPredicates

public Set<Predicate> getPredicates()

Overrides:

getPredicates in class AtomBase

getValueVariable

public String getValueVariable()

Overrides:

getValueVariable in class Atom

getLinkedAtoms

public Set<Atom> getLinkedAtoms()

setValueVariable

protected abstract void setValueVariable(String var)

getVarNames

public Set<String> getVarNames()

Specified by:

getVarNames in interface Atomic

Overrides:

getVarNames in class AtomBase

unify

public void unify(String from,
                  String to)

Description copied from interface: Atomic

change each variable occurrence in the atom (apply unifier [from/to]) if capture occurs it is marked with a "capture->" name

Specified by:

unify in interface Atomic

Overrides:

unify in class AtomBase

Parameters:

from - variable name to be changed

to - new variable name

unify

public void unify(Map<String,String> unifiers)

Description copied from interface: Atomic

change each variable occurrence according to provided mappings (apply unifiers {[from, to]_i}) if capture occurs it is marked with a "capture->" name

Specified by:

unify in interface Atomic

Overrides:

unify in class AtomBase

Parameters:

unifiers - contain variable mappings to be applied

getUnifiers

public Map<String,String> getUnifiers(Atomic parentAtom)

Specified by:

getUnifiers in interface Atomic

Overrides:

getUnifiers in class Atom