use of com.vaticle.typedb.core.concept.thing.Thing in project grakn by graknlabs.
the class UnifyRelationConcludableTest method relation_distinct_roles_unifies_rule_relation_duplicate_roles.
// [reflexive child]
@Test
public void relation_distinct_roles_unifies_rule_relation_duplicate_roles() {
String conjunction = "{ (employee: $p, employee: $q) isa employment; }";
Set<Concludable> concludables = Concludable.create(resolvedConjunction(conjunction, logicMgr));
Concludable.Relation queryConcludable = concludables.iterator().next().asRelation();
Rule rule = createRule("a-person-is-employed-twice", "{ $x isa person; $employment type employment; $employee type employment:employee; }", "($employee: $x, $employee: $x) isa $employment", logicMgr);
List<Unifier> unifiers = queryConcludable.unify(rule.conclusion(), conceptMgr).toList();
Set<Map<String, Set<String>>> result = iterate(unifiers).map(u -> getStringMapping(u.mapping())).toSet();
Set<Map<String, Set<String>>> expected = set(new HashMap<String, Set<String>>() {
{
put("$p", set("$x"));
put("$q", set("$x"));
put("$_0", set("$_0"));
}
});
assertEquals(expected, result);
Unifier unifier = unifiers.get(0);
// test requirements
assertEquals(2, unifier.requirements().types().size());
assertEquals(roleHierarchy("employee", "employment"), unifier.requirements().types().get(Variable.label("employment:employee")));
assertEquals(typeHierarchy("employment"), unifier.requirements().isaExplicit().get(Variable.anon(0)));
assertEquals(3, unifier.requirements().isaExplicit().size());
assertEquals(0, unifier.requirements().predicates().size());
// test filter allows a valid answer
Relation employment = instanceOf("employment").asRelation();
Thing person = instanceOf("person");
addRolePlayer(employment, "employee", person);
addRolePlayer(employment, "employee", person);
Map<Variable, Concept> concepts = map(pair(Variable.anon(0), employment), pair(Variable.name("x"), person), pair(Variable.name("employment"), employment.getType()), pair(Variable.name("employee"), employment.getType().getRelates("employee")));
FunctionalIterator<ConceptMap> unified = unifier.unUnify(concepts, new Unifier.Requirements.Instance(map()));
assertTrue(unified.hasNext());
ConceptMap unifiedAnswer = unified.first().get();
assertEquals(3, unifiedAnswer.concepts().size());
assertEquals(person, unifiedAnswer.get("p"));
assertEquals(person, unifiedAnswer.get("q"));
assertEquals(employment, unifiedAnswer.get(Variable.anon(0)));
}
use of com.vaticle.typedb.core.concept.thing.Thing in project grakn by graknlabs.
the class UnifyRelationConcludableTest method unUnify_produces_cartesian_named_types_only_for_unbound_vars.
@Test
public void unUnify_produces_cartesian_named_types_only_for_unbound_vars() {
String conjunction = "{$r ($role: $x) isa $rel;}";
Set<Concludable> concludables = Concludable.create(resolvedConjunction(conjunction, logicMgr));
Concludable.Relation queryConcludable = concludables.iterator().next().asRelation();
Rule rule = createRule("people-are-self-friends", "{ $x isa person; }", " (friend: $x) isa friendship ", logicMgr);
List<Unifier> unifiers = queryConcludable.unify(rule.conclusion(), conceptMgr).toList();
assertEquals(1, unifiers.size());
Unifier unifier = unifiers.get(0);
// test filter allows a valid answer
Relation friendship = instanceOf("friendship").asRelation();
Thing person = instanceOf("person");
addRolePlayer(friendship, "friend", person);
Map<Variable, Concept> concepts = map(pair(Variable.anon(0), friendship), pair(Variable.name("x"), person), pair(Variable.label("friendship"), friendship.getType()), pair(Variable.label("friendship:friend"), friendship.getType().getRelates("friend")));
List<ConceptMap> unified = unifier.unUnify(concepts, new Unifier.Requirements.Instance(map(pair(Variable.name("rel"), friendship.getType())))).toList();
assertEquals(2, unified.size());
Set<Map<String, String>> expected = set(new HashMap<String, String>() {
{
put("$rel", "friendship");
put("$role", "friendship:friend");
}
}, new HashMap<String, String>() {
{
put("$rel", "friendship");
put("$role", "relation:role");
}
});
Set<Map<String, String>> actual = new HashSet<>();
iterate(unified).forEachRemaining(answer -> {
actual.add(new HashMap<String, String>() {
{
put("$rel", answer.get("rel").asType().getLabel().name());
put("$role", answer.get("role").asType().getLabel().scopedName());
}
});
});
assertEquals(expected, actual);
}
use of com.vaticle.typedb.core.concept.thing.Thing in project grakn by graknlabs.
the class UnifyRelationConcludableTest method relation_duplicate_players_unifies_rule_relation_distinct_players.
@Test
public void relation_duplicate_players_unifies_rule_relation_distinct_players() {
List<Unifier> unifiers = unifiers("{ (employee: $p, employee: $p) isa employment; }", rule("($employee: $x, $employee: $y) isa $employment", "{ $x isa person; $y isa person; $employment type employment;$employee type employment:employee; }")).toList();
Set<Map<String, Set<String>>> result = iterate(unifiers).map(u -> getStringMapping(u.mapping())).toSet();
Set<Map<String, Set<String>>> expected = set(new HashMap<String, Set<String>>() {
{
put("$p", set("$x", "$y"));
put("$_0", set("$_0"));
}
});
assertEquals(expected, result);
Unifier unifier = unifiers.get(0);
// test requirements
assertEquals(typeHierarchy("employment"), unifier.requirements().isaExplicit().get(Variable.anon(0)));
assertEquals(2, unifier.requirements().isaExplicit().size());
assertEquals(2, unifier.requirements().types().size());
assertEquals(roleHierarchy("employee", "employment"), unifier.requirements().types().get(Variable.label("employment:employee")));
assertEquals(0, unifier.requirements().predicates().size());
// test filter allows a valid answer
Relation employment = instanceOf("employment").asRelation();
Thing person = instanceOf("person");
addRolePlayer(employment, "employee", person);
addRolePlayer(employment, "employee", person);
Map<Variable, Concept> identifiedConcepts = map(pair(Variable.anon(0), employment), pair(Variable.name("x"), person), pair(Variable.name("y"), person), pair(Variable.name("employment"), employment.getType()), pair(Variable.name("employee"), employment.getType().getRelates("employee")));
FunctionalIterator<ConceptMap> unified = unifier.unUnify(identifiedConcepts, new Unifier.Requirements.Instance(map()));
assertTrue(unified.hasNext());
ConceptMap unifiedAnswer = unified.first().get();
assertEquals(2, unifiedAnswer.concepts().size());
assertEquals(person, unifiedAnswer.get("p"));
// filter out answers with differing role players that must be the same
employment = instanceOf("employment").asRelation();
person = instanceOf("person");
Thing differentPerson = instanceOf("person");
addRolePlayer(employment, "employee", person);
addRolePlayer(employment, "employee", differentPerson);
identifiedConcepts = map(pair(Variable.anon(0), employment), pair(Variable.name("x"), person), pair(Variable.name("y"), differentPerson), pair(Variable.name("employment"), employment.getType()), pair(Variable.name("employee"), employment.getType().getRelates("employee")));
unified = unifier.unUnify(identifiedConcepts, new Unifier.Requirements.Instance(map()));
assertFalse(unified.hasNext());
}
use of com.vaticle.typedb.core.concept.thing.Thing in project grakn by graknlabs.
the class DataExporter method relation.
private DataProto.Item relation(Relation relation) {
status.relationCount.incrementAndGet();
DataProto.Item.Relation.Builder relationBuilder = DataProto.Item.Relation.newBuilder().setId(relation.getIID().toBase64String()).setLabel(relation.getType().getLabel().name());
Map<? extends RoleType, ? extends List<? extends Thing>> playersByRole = relation.getPlayersByRoleType();
for (Map.Entry<? extends RoleType, ? extends List<? extends Thing>> rolePlayers : playersByRole.entrySet()) {
RoleType role = rolePlayers.getKey();
DataProto.Item.Relation.Role.Builder roleBuilder = DataProto.Item.Relation.Role.newBuilder().setLabel(role.getLabel().scopedName());
for (Thing player : rolePlayers.getValue()) {
status.roleCount.incrementAndGet();
roleBuilder.addPlayer(DataProto.Item.Relation.Role.Player.newBuilder().setId(player.getIID().toBase64String()));
}
relationBuilder.addRole(roleBuilder);
}
readOwnerships(relation).forEachRemaining(a -> {
status.ownershipCount.incrementAndGet();
relationBuilder.addAttribute(a);
});
return DataProto.Item.newBuilder().setRelation(relationBuilder).build();
}
use of com.vaticle.typedb.core.concept.thing.Thing in project grakn by graknlabs.
the class DataImporter method importSkippedRelations.
private void importSkippedRelations() {
try (TypeDB.Transaction transaction = session.transaction(Arguments.Transaction.Type.WRITE)) {
skippedRelations.forEach(msg -> {
RelationType relType = transaction.concepts().getRelationType(msg.getLabel());
if (relType == null)
throw TypeDBException.of(TYPE_NOT_FOUND, msg.getLabel());
Relation importedRelation = relType.create();
idMapper.put(msg.getId(), importedRelation.getIID());
int ownershipCount = 0;
for (DataProto.Item.OwnedAttribute ownership : msg.getAttributeList()) {
Thing attribute = transaction.concepts().getThing(idMapper.get(ownership.getId()));
assert attribute != null;
importedRelation.setHas(attribute.asAttribute());
ownershipCount++;
}
status.ownershipCount.addAndGet(ownershipCount);
});
skippedRelations.forEach(msg -> {
RelationType relType = transaction.concepts().getRelationType(msg.getLabel());
Relation relation = transaction.concepts().getThing(idMapper.get(msg.getId())).asRelation();
msg.getRoleList().forEach(roleMsg -> {
RoleType roleType = getRoleType(relType, roleMsg);
for (DataProto.Item.Relation.Role.Player playerMessage : roleMsg.getPlayerList()) {
Thing player = transaction.concepts().getThing(idMapper.get(playerMessage.getId()));
if (player == null)
throw TypeDBException.of(PLAYER_NOT_FOUND, relType.getLabel());
else
relation.addPlayer(roleType, player);
}
});
});
transaction.commit();
}
}
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