ai.grakn.graql.internal.reasoner.plan

Class QueryCollectionBase

java.lang.Object

ai.grakn.graql.internal.reasoner.plan.QueryCollectionBase

Direct Known Subclasses:

QueryCollection

public abstract class QueryCollectionBase
extends Object

Base class for collections of ReasonerQueryImpl queries with equality comparison ReasonerQueryEquivalence.

Author:

Kasper Piskorski

Constructor Summary

Constructors

Constructor and Description
QueryCollectionBase()

Method Summary

Modifier and Type	Method and Description
QuerySet	getCandidates(ReasonerQueryImpl entryQuery, ai.grakn.graql.internal.reasoner.plan.QueryList plan)
boolean	isQueryDisconnected(ReasonerQueryImpl query)
abstract java.util.stream.Stream<ReasonerQueryImpl>	stream()
abstract java.util.stream.Stream<com.google.common.base.Equivalence.Wrapper<ReasonerQueryImpl>>	wrappedStream()

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryCollectionBase

public QueryCollectionBase()

Method Detail

stream

public abstract java.util.stream.Stream<ReasonerQueryImpl> stream()

wrappedStream

public abstract java.util.stream.Stream<com.google.common.base.Equivalence.Wrapper<ReasonerQueryImpl>> wrappedStream()

isQueryDisconnected

public boolean isQueryDisconnected(ReasonerQueryImpl query)

Parameters:

query - of interest

Returns:

true if query is disconnected wrt queries of this collection

getCandidates

public QuerySet getCandidates(ReasonerQueryImpl entryQuery,
                              ai.grakn.graql.internal.reasoner.plan.QueryList plan)

Parameters:

entryQuery - query for which candidates are to be determined

plan - current plan

Returns:

set of candidate queries for this query