Examples with Concept ai.grakn.concept.Concept used on opensource projects

Example 81 with Concept

use of ai.grakn.concept.Concept in project grakn by graknlabs.

the class ThingImpl method deleteAttribute.

@Override
public T deleteAttribute(Attribute attribute) {
    Role roleHasOwner = vertex().tx().getSchemaConcept(Schema.ImplicitType.HAS_OWNER.getLabel(attribute.type().getLabel()));
    Role roleKeyOwner = vertex().tx().getSchemaConcept(Schema.ImplicitType.KEY_OWNER.getLabel(attribute.type().getLabel()));
    Role roleHasValue = vertex().tx().getSchemaConcept(Schema.ImplicitType.HAS_VALUE.getLabel(attribute.type().getLabel()));
    Role roleKeyValue = vertex().tx().getSchemaConcept(Schema.ImplicitType.KEY_VALUE.getLabel(attribute.type().getLabel()));
    Stream<Relationship> relationships = relationships(filterNulls(roleHasOwner, roleKeyOwner));
    relationships.filter(relationship -> {
        Stream<Thing> rolePlayers = relationship.rolePlayers(filterNulls(roleHasValue, roleKeyValue));
        return rolePlayers.anyMatch(rolePlayer -> rolePlayer.equals(attribute));
    }).forEach(Concept::delete);
    return getThis();
}

Example 82 with Concept

use of ai.grakn.concept.Concept in project grakn by graknlabs.

the class GetQueryPropertyTest method joinAnswer.

private Optional<Answer> joinAnswer(Answer answerA, Answer answerB) {
    Map<Var, Concept> answer = Maps.newHashMap(answerA.map());
    answer.putAll(answerB.map());
    for (Var var : Sets.intersection(answerA.vars(), answerB.vars())) {
        if (!answerA.get(var).equals(answerB.get(var))) {
            return Optional.empty();
        }
    }
    return Optional.of(new QueryAnswer(answer));
}

Example 83 with Concept

use of ai.grakn.concept.Concept in project grakn by graknlabs.

the class RemoteGraknTxTest method whenGettingConceptViaID_EnsureCorrectRequestIsSent.

@Test
public void whenGettingConceptViaID_EnsureCorrectRequestIsSent() {
    ConceptId id = ConceptId.of(V123.getValue());
    try (RemoteGraknTx tx = RemoteGraknTx.create(session, GrpcUtil.openRequest(KEYSPACE, GraknTxType.READ))) {
        // The open request
        verify(server.requests()).onNext(any());
        Concept concept = RemoteConcepts.createEntity(tx, id);
        server.setResponse(GrpcUtil.getConceptRequest(id), GrpcUtil.optionalConceptResponse(Optional.of(concept)));
        assertEquals(concept, tx.getConcept(id));
    }
}

Example 84 with Concept

use of ai.grakn.concept.Concept in project grakn by graknlabs.

the class RemoteGraknTxTest method whenPuttingEntityType_EnsureCorrectRequestIsSent.

@Test
public void whenPuttingEntityType_EnsureCorrectRequestIsSent() {
    ConceptId id = ConceptId.of(V123.getValue());
    Label label = Label.of("foo");
    try (RemoteGraknTx tx = RemoteGraknTx.create(session, GrpcUtil.openRequest(KEYSPACE, GraknTxType.READ))) {
        // The open request
        verify(server.requests()).onNext(any());
        Concept concept = RemoteConcepts.createEntityType(tx, id);
        server.setResponse(GrpcUtil.putEntityTypeRequest(label), GrpcUtil.conceptResponse(concept));
        assertEquals(concept, tx.putEntityType(label));
    }
}

Example 85 with Concept

use of ai.grakn.concept.Concept in project grakn by graknlabs.

the class QueryAnswer method merge.

@Override
public Answer merge(Answer a2, boolean mergeExplanation) {
    if (a2.isEmpty())
        return this;
    if (this.isEmpty())
        return a2;
    Sets.SetView<Var> varUnion = Sets.union(this.vars(), a2.vars());
    Set<Var> varIntersection = Sets.intersection(this.vars(), a2.vars());
    Map<Var, Concept> entryMap = Sets.union(this.entrySet(), a2.entrySet()).stream().filter(e -> !varIntersection.contains(e.getKey())).collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
    varIntersection.forEach(var -> {
        Concept concept = this.get(var);
        Concept otherConcept = a2.get(var);
        if (concept.equals(otherConcept))
            entryMap.put(var, concept);
        else {
            if (concept.isSchemaConcept() && otherConcept.isSchemaConcept() && !ReasonerUtils.areDisjointTypes(concept.asSchemaConcept(), otherConcept.asSchemaConcept())) {
                entryMap.put(var, Iterables.getOnlyElement(ReasonerUtils.topOrMeta(Sets.newHashSet(concept.asSchemaConcept(), otherConcept.asSchemaConcept()))));
            }
        }
    });
    if (!entryMap.keySet().equals(varUnion))
        return new QueryAnswer();
    return new QueryAnswer(entryMap, mergeExplanation ? this.mergeExplanation(a2) : this.getExplanation());
}