ai.grakn.graql.internal.pattern.property

Class LhsProperty

java.lang.Object

ai.grakn.graql.internal.pattern.property.RuleProperty

ai.grakn.graql.internal.pattern.property.LhsProperty

All Implemented Interfaces:

UniqueVarProperty, VarProperty, VarPropertyInternal

public class LhsProperty
extends RuleProperty

Represents the lhs (left-hand side) property on a Rule. This property can be inserted and not queried. The left-hand side describes the left-hand of an implication, stating that when the left-hand side of a rule is true the right-hand side must hold.

Author:

Felix Chapman

Field Summary

Fields inherited from class ai.grakn.graql.internal.pattern.property.RuleProperty

pattern

Constructor Summary

Constructors

Constructor and Description
LhsProperty(Pattern pattern)

Method Summary

Modifier and Type	Method and Description
default void	buildString(StringBuilder builder)
void	checkValid(GraknGraph graph, VarPatternAdmin var) Check if the given property can be used in a match query
void	delete(GraknGraph graph, Concept concept) Delete the given property from the graph, if possible.
java.util.stream.Stream<VarPatternAdmin>	getImplicitInnerVars()
String	getName()
java.util.stream.Stream<VarPatternAdmin>	getTypes()

Methods inherited from class ai.grakn.graql.internal.pattern.property.RuleProperty

equals, getPattern, getProperty, hashCode, insert, mapToAtom, match

Methods inherited from class java.lang.Object

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

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

isUnique

Methods inherited from interface ai.grakn.graql.internal.pattern.property.VarPropertyInternal

checkInsertable, checkValid, delete, getInnerVars

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

getImplicitInnerVars, getTypes, graqlString

Constructor Detail

LhsProperty

public LhsProperty(Pattern pattern)

Method Detail

getName

public String getName()

buildString

public void buildString(StringBuilder builder)

Specified by:

buildString in interface VarProperty

checkValid

public final void checkValid(GraknGraph graph,
                             VarPatternAdmin var)
                      throws IllegalStateException

Description copied from interface: VarPropertyInternal

Check if the given property can be used in a match query

Specified by:

checkValid in interface VarPropertyInternal

Throws:

IllegalStateException

delete

public void delete(GraknGraph graph,
                   Concept concept)

Description copied from interface: VarPropertyInternal

Delete the given property from the graph, if possible.

Specified by:

delete in interface VarPropertyInternal

Parameters:

graph - the graph to operate on

concept - the concept to delete properties of

getTypes

public java.util.stream.Stream<VarPatternAdmin> getTypes()

Specified by:

getTypes in interface VarProperty

getImplicitInnerVars

public java.util.stream.Stream<VarPatternAdmin> getImplicitInnerVars()

Specified by:

getImplicitInnerVars in interface VarProperty