use of com.vaticle.typedb.core.concept.ConceptManager in project grakn by graknlabs.
the class ReasonerTest method test_relation_rule.
@Test
public void test_relation_rule() {
try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.SCHEMA)) {
try (CoreTransaction txn = singleThreadElgTransaction(session, Arguments.Transaction.Type.WRITE)) {
ConceptManager conceptMgr = txn.concepts();
LogicManager logicMgr = txn.logic();
EntityType person = conceptMgr.putEntityType("person");
AttributeType name = conceptMgr.putAttributeType("name", AttributeType.ValueType.STRING);
person.setOwns(name);
RelationType friendship = conceptMgr.putRelationType("friendship");
friendship.setRelates("friend");
RelationType marriage = conceptMgr.putRelationType("marriage");
marriage.setRelates("husband");
marriage.setRelates("wife");
person.setPlays(friendship.getRelates("friend"));
person.setPlays(marriage.getRelates("husband"));
person.setPlays(marriage.getRelates("wife"));
logicMgr.putRule("marriage-is-friendship", TypeQL.parsePattern("{ $x isa person; $y isa person; (husband: $x, wife: $y) isa marriage; }").asConjunction(), TypeQL.parseVariable("(friend: $x, friend: $y) isa friendship").asThing());
txn.commit();
}
}
try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.DATA)) {
try (CoreTransaction txn = singleThreadElgTransaction(session, Arguments.Transaction.Type.WRITE)) {
txn.query().insert(TypeQL.parseQuery("insert $x isa person, has name 'Zack'; $y isa person, has name 'Yasmin'; (husband: $x, wife: $y) isa marriage;").asInsert());
txn.commit();
}
try (CoreTransaction txn = singleThreadElgTransaction(session, Arguments.Transaction.Type.READ)) {
List<ConceptMap> ans = txn.query().match(TypeQL.parseQuery("match $f (friend: $p1, friend: $p2) isa friendship; $p1 has name $na;").asMatch()).toList();
ans.iterator().forEachRemaining(a -> {
assertEquals("friendship", a.get("f").asThing().getType().getLabel().scopedName());
assertEquals("person", a.get("p1").asThing().getType().getLabel().scopedName());
assertEquals("person", a.get("p2").asThing().getType().getLabel().scopedName());
assertEquals("name", a.get("na").asAttribute().getType().getLabel().scopedName());
});
assertEquals(2, ans.size());
}
}
}
use of com.vaticle.typedb.core.concept.ConceptManager in project grakn by graknlabs.
the class BasicTest method write_and_retrieve_attribute_ownership_rule.
@Test
public void write_and_retrieve_attribute_ownership_rule() throws IOException {
Util.resetDirectory(dataDir);
try (TypeDB.DatabaseManager typedb = CoreDatabaseManager.open(options)) {
typedb.create(database);
try (TypeDB.Session session = typedb.session(database, Arguments.Session.Type.SCHEMA)) {
try (TypeDB.Transaction txn = session.transaction(Arguments.Transaction.Type.WRITE)) {
ConceptManager conceptMgr = txn.concepts();
LogicManager logicMgr = txn.logic();
AttributeType name = conceptMgr.putAttributeType("name", STRING);
EntityType person = conceptMgr.putEntityType("person");
RelationType friendship = conceptMgr.putRelationType("friendship");
friendship.setRelates("friend");
person.setPlays(friendship.getRelates("friend"));
person.setOwns(name);
logicMgr.putRule("people-have-names", TypeQL.parsePattern("{$x isa person; }").asConjunction(), TypeQL.parseVariable("$x has name \"i have a name\"").asThing());
txn.commit();
}
try (TypeDB.Transaction txn = session.transaction(Arguments.Transaction.Type.READ)) {
ConceptManager conceptMgr = txn.concepts();
LogicManager logicMgr = txn.logic();
Rule rule = logicMgr.getRule("people-have-names");
Pattern when = rule.getWhenPreNormalised();
ThingVariable<?> then = rule.getThenPreNormalised();
assertEquals(TypeQL.parsePattern("{$x isa person;}"), when);
assertEquals(TypeQL.parseVariable("$x has name \"i have a name\""), then);
}
}
}
}
use of com.vaticle.typedb.core.concept.ConceptManager in project grakn by graknlabs.
the class RuleTest method rule_contains_indexes_prevent_undefining_contained_types.
@Test
public void rule_contains_indexes_prevent_undefining_contained_types() throws IOException {
Util.resetDirectory(dataDir);
try (CoreDatabaseManager databaseMgr = CoreDatabaseManager.open(options)) {
databaseMgr.create(database);
try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.SCHEMA)) {
try (CoreTransaction txn = session.transaction(Arguments.Transaction.Type.WRITE)) {
ConceptManager conceptMgr = txn.concepts();
LogicManager logicMgr = txn.logic();
EntityType person = conceptMgr.putEntityType("person");
RelationType friendship = conceptMgr.putRelationType("friendship");
friendship.setRelates("friend");
RelationType marriage = conceptMgr.putRelationType("marriage");
AttributeType name = conceptMgr.putAttributeType("name", AttributeType.ValueType.STRING);
marriage.setRelates("spouse");
person.setPlays(friendship.getRelates("friend"));
person.setPlays(marriage.getRelates("spouse"));
person.setOwns(name);
Rule marriageFriendsRule = logicMgr.putRule("marriage-is-friendship", TypeQL.parsePattern("{ $x isa person; $y isa person; (spouse: $x, spouse: $y) isa marriage; }").asConjunction(), TypeQL.parseVariable("(friend: $x, friend: $y) isa friendship").asThing());
Conjunction marriageFriendsThen = marriageFriendsRule.then();
Variable marriageFriendsRelation = getVariable(marriageFriendsThen.variables(), Identifier.Variable.anon(0));
assertEquals(set(Label.of("friendship")), marriageFriendsRelation.inferredTypes());
Rule marriageSameName = logicMgr.putRule("marriage-same-name", TypeQL.parsePattern("{ $x isa person, has name $a; $y isa person; (spouse:$x, spouse: $y) isa marriage; }").asConjunction(), TypeQL.parseVariable("$y has $a").asThing());
Conjunction sameName = marriageSameName.then();
Variable nameAttr = getVariable(sameName.variables(), Identifier.Variable.name("a"));
assertEquals(set(Label.of("name")), nameAttr.inferredTypes());
txn.commit();
}
try (CoreTransaction txn = session.transaction(Arguments.Transaction.Type.WRITE)) {
ConceptManager conceptMgr = txn.concepts();
EntityType person = conceptMgr.getEntityType("person");
assertThrowsTypeDBException(person::delete, ErrorMessage.TypeWrite.TYPE_REFERENCED_IN_RULES.code());
}
}
}
}
use of com.vaticle.typedb.core.concept.ConceptManager in project grakn by graknlabs.
the class RuleTest method rule_has_explicit_materialises_when_missing.
@Test
public void rule_has_explicit_materialises_when_missing() throws IOException {
Util.resetDirectory(dataDir);
try (CoreDatabaseManager databaseMgr = CoreDatabaseManager.open(options)) {
databaseMgr.create(database);
try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.SCHEMA)) {
try (CoreTransaction txn = session.transaction(Arguments.Transaction.Type.WRITE)) {
ConceptManager conceptMgr = txn.concepts();
EntityType milk = conceptMgr.putEntityType("milk");
AttributeType ageInDays = conceptMgr.putAttributeType("age-in-days", AttributeType.ValueType.LONG);
AttributeType isStillGood = conceptMgr.putAttributeType("is-still-good", AttributeType.ValueType.BOOLEAN);
milk.setOwns(ageInDays);
milk.setOwns(isStillGood);
txn.logic().putRule("old-milk-is-not-good", TypeQL.parsePattern("{ $x isa milk, has age-in-days $a; $a >= 10; }").asConjunction(), TypeQL.parseVariable("$x has is-still-good false").asThing());
txn.commit();
}
}
try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.DATA)) {
try (CoreTransaction txn = session.transaction(Arguments.Transaction.Type.WRITE)) {
ConceptManager conceptMgr = txn.concepts();
EntityType milk = conceptMgr.getEntityType("milk");
AttributeType ageInDays = conceptMgr.getAttributeType("age-in-days");
Entity milkInst = milk.create();
milkInst.setHas(ageInDays.asLong().put(20L));
Rule rule = txn.logic().getRule("old-milk-is-not-good");
ConceptMap whenAnswer = new ConceptMap(map(pair(Identifier.Variable.name("x"), milkInst)));
List<Map<Identifier.Variable, Concept>> materialisations = rule.conclusion().materialise(whenAnswer, txn.traversal(), conceptMgr).toList();
assertEquals(1, materialisations.size());
assertEquals(3, materialisations.get(0).size());
AttributeType isStillGood = conceptMgr.getAttributeType("is-still-good");
List<? extends Attribute> isStillGoodOwned = milkInst.getHas(isStillGood).toList();
assertEquals(1, isStillGoodOwned.size());
assertEquals(isStillGood.asBoolean().getInstances().first().get(), isStillGoodOwned.get(0));
}
}
}
}
use of com.vaticle.typedb.core.concept.ConceptManager in project grakn by graknlabs.
the class ExplanationTest method test_disjunction_explainable.
@Test
public void test_disjunction_explainable() {
try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.SCHEMA)) {
try (CoreTransaction txn = singleThreadElgTransaction(session, Arguments.Transaction.Type.WRITE)) {
ConceptManager conceptMgr = txn.concepts();
LogicManager logicMgr = txn.logic();
EntityType person = conceptMgr.putEntityType("person");
AttributeType name = conceptMgr.putAttributeType("name", AttributeType.ValueType.STRING);
person.setOwns(name);
RelationType friendship = conceptMgr.putRelationType("friendship");
friendship.setRelates("friend");
RelationType marriage = conceptMgr.putRelationType("marriage");
marriage.setRelates("husband");
marriage.setRelates("wife");
person.setPlays(friendship.getRelates("friend"));
person.setPlays(marriage.getRelates("husband"));
person.setPlays(marriage.getRelates("wife"));
logicMgr.putRule("marriage-is-friendship", TypeQL.parsePattern("{ $x isa person; $y isa person; (husband: $x, wife: $y) isa marriage; }").asConjunction(), TypeQL.parseVariable("(friend: $x, friend: $y) isa friendship").asThing());
txn.commit();
}
}
try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.DATA)) {
try (CoreTransaction txn = singleThreadElgTransaction(session, Arguments.Transaction.Type.WRITE)) {
txn.query().insert(TypeQL.parseQuery("insert $x isa person, has name 'Zack'; $y isa person, has name 'Yasmin'; (husband: $x, wife: $y) isa marriage;").asInsert());
txn.commit();
}
try (CoreTransaction txn = singleThreadElgTransaction(session, Arguments.Transaction.Type.READ, (new Options.Transaction().explain(true)))) {
List<ConceptMap> ans = txn.query().match(TypeQL.parseQuery("match $p1 isa person; { (friend: $p1, friend: $p2) isa friendship;} or { $p1 has name 'Zack'; }; ").asMatch()).toList();
assertEquals(3, ans.size());
ConceptMap withExplainable;
ConceptMap withoutExplainable;
if (ans.get(0).contains("p2")) {
withExplainable = ans.get(0);
if (!ans.get(1).contains("p2"))
withoutExplainable = ans.get(1);
else
withoutExplainable = ans.get(2);
} else if (ans.get(1).contains("p2")) {
withExplainable = ans.get(1);
if (!ans.get(0).contains("p2"))
withoutExplainable = ans.get(0);
else
withoutExplainable = ans.get(2);
} else {
withExplainable = ans.get(2);
if (!ans.get(0).contains("p2"))
withoutExplainable = ans.get(0);
else
withoutExplainable = ans.get(1);
}
assertEquals(3, withExplainable.concepts().size());
assertEquals(2, withoutExplainable.concepts().size());
assertFalse(withExplainable.explainables().isEmpty());
assertTrue(withoutExplainable.explainables().isEmpty());
assertSingleExplainableExplanations(withExplainable, 1, 1, 1, txn);
}
}
}
Aggregations