Examples with Answer ai.grakn.graql.admin.Answer used on opensource projects

Example 16 with Answer

use of ai.grakn.graql.admin.Answer in project grakn by graknlabs.

the class OntologicalQueryTest method allInstancesOfMetaEntity.

/**
 * meta concepts *
 */
@Test
public void allInstancesOfMetaEntity() {
    GraknTx tx = testContext.tx();
    QueryBuilder qb = tx.graql().infer(true);
    long noOfEntities = tx.admin().getMetaEntityType().instances().count();
    String queryString = "match $x isa entity;get;";
    List<Answer> answers = qb.<GetQuery>parse(queryString).execute();
    assertEquals(answers.size(), noOfEntities);
}

Example 17 with Answer

use of ai.grakn.graql.admin.Answer in project grakn by graknlabs.

the class ReasonerTest method testReasoningWithQueryContainingLimit.

@Test
public void testReasoningWithQueryContainingLimit() {
    GraknTx graph = nonMaterialisedGeoKB.tx();
    String limitQueryString = "match (geo-entity: $x, entity-location: $y)isa is-located-in;limit 5; get;";
    String queryString = "match (geo-entity: $x, entity-location: $y)isa is-located-in; get;";
    QueryBuilder iqb = graph.graql().infer(true);
    GetQuery limitQuery = iqb.parse(limitQueryString);
    GetQuery query = iqb.parse(queryString);
    List<Answer> limitedAnswers = limitQuery.execute();
    List<Answer> answers = query.execute();
    assertEquals(limitedAnswers.size(), 5);
    assertTrue(answers.size() > limitedAnswers.size());
    assertTrue(answers.containsAll(limitedAnswers));
}

Example 18 with Answer

use of ai.grakn.graql.admin.Answer in project grakn by graknlabs.

the class MatchBenchmark method match.

@Benchmark
public void match() {
    Match match = graph.graql().match(var("x").isa(BENCHMARK_ENTITY_TYPE).has(BENCHMARK_ATTRIBUTE_TYPE, "0"));
    GetQuery answers = match.get();
    Optional<Answer> first = answers.stream().findFirst();
    first.get();
}

Example 19 with Answer

use of ai.grakn.graql.admin.Answer in project grakn by graknlabs.

the class RelationshipAtom method materialise.

@Override
public Stream<Answer> materialise() {
    RelationshipType relationType = getSchemaConcept().asRelationshipType();
    Multimap<Role, Var> roleVarMap = getRoleVarMap();
    Answer substitution = getParentQuery().getSubstitution();
    Relationship relationship = RelationshipTypeImpl.from(relationType).addRelationshipInferred();
    roleVarMap.asMap().forEach((key, value) -> value.forEach(var -> relationship.addRolePlayer(key, substitution.get(var).asThing())));
    Answer relationSub = getRoleSubstitution().merge(getVarName().isUserDefinedName() ? new QueryAnswer(ImmutableMap.of(getVarName(), relationship)) : new QueryAnswer());
    return Stream.of(substitution.merge(relationSub));
}

Example 20 with Answer

use of ai.grakn.graql.admin.Answer in project grakn by graknlabs.

the class InferenceRule method subGoal.

/**
 * @param parentAtom atom to which this rule is applied
 * @param ruleUnifier unifier with parent state
 * @param parent parent state
 * @param visitedSubGoals set of visited sub goals
 * @param cache query cache
 * @return resolution subGoal formed from this rule
 */
public ResolutionState subGoal(Atom parentAtom, Unifier ruleUnifier, QueryStateBase parent, Set<ReasonerAtomicQuery> visitedSubGoals, QueryCache<ReasonerAtomicQuery> cache) {
    Unifier ruleUnifierInverse = ruleUnifier.inverse();
    // delta' = theta . thetaP . delta
    Answer partialSubPrime = parentAtom.getParentQuery().getSubstitution().unify(ruleUnifierInverse);
    return new RuleState(this.propagateConstraints(parentAtom, ruleUnifierInverse), partialSubPrime, ruleUnifier, parent, visitedSubGoals, cache);
}