ai.grakn.graql.internal.reasoner.query

Class QueryAnswers

java.lang.Object

ai.grakn.graql.internal.reasoner.query.QueryAnswers

All Implemented Interfaces:

Iterable<Answer>

public class QueryAnswers
extends Object
implements Iterable<Answer>

Wrapper class for a set of Answer objects providing higher level facilities.

Author:

Kasper Piskorski

Constructor Summary

Constructors

Constructor and Description
QueryAnswers()
QueryAnswers(Answer ans)
QueryAnswers(Collection<Answer> ans)
QueryAnswers(QueryAnswers ans)

Method Summary

Modifier and Type	Method and Description
boolean	add(Answer a)
boolean	addAll(QueryAnswers ans)
boolean	contains(Answer a)
boolean	equals(Object obj)
int	hashCode()
Iterator<Answer>	iterator()
boolean	removeAll(QueryAnswers ans)
java.util.stream.Stream<Answer>	stream()
QueryAnswers	unify(MultiUnifier multiUnifier) unify the answers by applying multiunifier to variable set
QueryAnswers	unify(Unifier unifier) unify the answers by applying unifier to variable set

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

QueryAnswers

public QueryAnswers()

QueryAnswers

public QueryAnswers(Answer ans)

QueryAnswers

public QueryAnswers(Collection<Answer> ans)

QueryAnswers

public QueryAnswers(QueryAnswers ans)

Method Detail

iterator

public Iterator<Answer> iterator()

Specified by:

iterator in interface Iterable<Answer>

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

stream

public java.util.stream.Stream<Answer> stream()

add

public boolean add(Answer a)

addAll

public boolean addAll(QueryAnswers ans)

removeAll

public boolean removeAll(QueryAnswers ans)

contains

public boolean contains(Answer a)

unify

public QueryAnswers unify(Unifier unifier)

unify the answers by applying unifier to variable set

Parameters:

unifier - map of [key: from/value: to] unifiers

Returns:

unified query answers

unify

public QueryAnswers unify(MultiUnifier multiUnifier)

unify the answers by applying multiunifier to variable set

Parameters:

multiUnifier - multiunifier to be applied to the query answers

Returns:

unified query answers