use of com.vaticle.typedb.core.concept.type.RelationType 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.type.RelationType in project grakn by graknlabs.
the class RuleTest method rule_relation_materialises_when_missing.
@Test
public void rule_relation_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();
LogicManager logicMgr = txn.logic();
EntityType person = conceptMgr.putEntityType("person");
RelationType friendship = conceptMgr.putRelationType("friendship");
friendship.setRelates("friend");
RelationType marriage = conceptMgr.putRelationType("marriage");
marriage.setRelates("spouse");
person.setPlays(friendship.getRelates("friend"));
person.setPlays(marriage.getRelates("spouse"));
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());
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();
txn.query().insert(TypeQL.parseQuery("insert $x isa person; $y isa person; (spouse: $x, spouse: $y) isa marriage;").asInsert());
EntityType person = conceptMgr.getEntityType("person");
List<? extends Entity> people = person.getInstances().toList();
assertEquals(2, people.size());
Rule rule = txn.logic().getRule("marriage-is-friendship");
ConceptMap whenAnswer = new ConceptMap(map(pair(Identifier.Variable.name("x"), people.get(0)), pair(Identifier.Variable.name("y"), people.get(1))));
List<Map<Identifier.Variable, Concept>> materialisations = rule.conclusion().materialise(whenAnswer, txn.traversal(), conceptMgr).toList();
assertEquals(1, materialisations.size());
assertEquals(5, materialisations.get(0).size());
RelationType friendship = conceptMgr.getRelationType("friendship");
List<? extends Relation> friendshipInstances = friendship.getInstances().toList();
assertEquals(1, friendshipInstances.size());
assertEquals(set(people.get(0), people.get(1)), friendshipInstances.get(0).getPlayers().toSet());
}
}
}
}
use of com.vaticle.typedb.core.concept.type.RelationType 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);
}
}
}
use of com.vaticle.typedb.core.concept.type.RelationType in project grakn by graknlabs.
the class ExplanationTest method test_relation_explainable.
@Test
public void test_relation_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 (friend: $p1, friend: $p2) isa friendship; $p1 has name $na;").asMatch()).toList();
assertEquals(2, ans.size());
assertFalse(ans.get(0).explainables().isEmpty());
assertFalse(ans.get(1).explainables().isEmpty());
assertSingleExplainableExplanations(ans.get(0), 1, 1, 1, txn);
assertSingleExplainableExplanations(ans.get(1), 1, 1, 1, txn);
}
}
}
use of com.vaticle.typedb.core.concept.type.RelationType in project grakn by graknlabs.
the class ExplanationTest method test_relation_explainable_multiple_ways.
@Test
public void test_relation_explainable_multiple_ways() {
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());
logicMgr.putRule("everyone-is-friends", TypeQL.parsePattern("{ $x isa person; $y isa person; not { $x is $y; }; }").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 (friend: $p1, friend: $p2) isa friendship; $p1 has name $na;").asMatch()).toList();
assertEquals(2, ans.size());
assertFalse(ans.get(0).explainables().isEmpty());
assertFalse(ans.get(1).explainables().isEmpty());
assertSingleExplainableExplanations(ans.get(0), 1, 1, 3, txn);
assertSingleExplainableExplanations(ans.get(1), 1, 1, 3, txn);
}
}
}
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