ai.grakn.graql.internal.reasoner.cache

Class RuleCache

java.lang.Object

ai.grakn.graql.internal.reasoner.cache.RuleCache

public class RuleCache
extends Object

Introduces rule cache that wraps around the atom matching rule retrieval to ensure resolution of fruitless rules is not pursued.

Author:

Kasper Piskorski

Constructor Summary

Constructors

Constructor and Description
RuleCache()

Method Summary

Modifier and Type	Method and Description
java.util.stream.Stream<InferenceRule>	getApplicableRules(Atom atom)
java.util.stream.Stream<Pair<InferenceRule,Unifier>>	getRuleStream(Atom atom)

Methods inherited from class java.lang.Object

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

Constructor Detail

RuleCache

public RuleCache()

Method Detail

getApplicableRules

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

Parameters:

atom - of interest

Returns:

stream of rules applicable to this atom

getRuleStream

public java.util.stream.Stream<Pair<InferenceRule,Unifier>> getRuleStream(Atom atom)

Parameters:

atom - of interest

Returns:

stream of all rules applicable to this atom including permuted cases when the role types are meta roles