Examples with CoreSession com.vaticle.typedb.core.database.CoreSession used on opensource projects

Example 21 with CoreSession

use of com.vaticle.typedb.core.database.CoreSession in project grakn by graknlabs.

the class MaterialiserTest method testDeduplicationOfInferredConcepts.

@Test
public void testDeduplicationOfInferredConcepts() {
    loadTransitivityExample(databaseMgr);
    try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.DATA)) {
        Materialiser materialiser = Materialiser.materialise(session);
        TypeQLMatch inferredAnswersQuery = TypeQL.match(TypeQL.var("lh").isa("location-hierarchy"));
        List<ConceptMap> inferredAnswers = iterate(materialiser.query(inferredAnswersQuery).entrySet()).flatMap(Map.Entry::getValue).toList();
        assertEquals(6, inferredAnswers.size());
    }
}

Example 22 with CoreSession

use of com.vaticle.typedb.core.database.CoreSession in project grakn by graknlabs.

the class ReasonerSteps method data.

@Given("reasoning data")
public void data(String insertQueryStatements) {
    try (CoreSession session = databaseMgr.session(DATABASE, Arguments.Session.Type.DATA)) {
        try (CoreTransaction tx = session.transaction(Arguments.Transaction.Type.WRITE)) {
            tx.query().insert(TypeQL.parseQuery(String.join("\n", insertQueryStatements)).asInsert());
            tx.commit();
        }
    }
}

Example 23 with CoreSession

use of com.vaticle.typedb.core.database.CoreSession 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());
        }
    }
}

Example 24 with CoreSession

use of com.vaticle.typedb.core.database.CoreSession in project grakn by graknlabs.

the class ReiterationTest method test_first_iteration_exhausts_and_second_iteration_recurses_infinitely.

@Test
public void test_first_iteration_exhausts_and_second_iteration_recurses_infinitely() throws InterruptedException {
    try (CoreSession session = schemaSession()) {
        try (CoreTransaction transaction = singleThreadElgTransaction(session)) {
            transaction.query().define(TypeQL.parseQuery("define " + "X sub relation, relates item, plays Y:item;" + "Y sub relation, relates item, plays X:item;" + "object sub entity, plays X:item, plays Y:item;" + "rule rule-b: when {" + "$r(item:$x) isa X;" + "} then {" + "(item:$r) isa Y;" + "};" + "rule rule-a: when {" + "$r(item:$x) isa Y;" + "} then {" + "(item:$r) isa X;" + "};" + "rule rule-c: when {" + "$o isa object;" + "} then {" + "(item:$o) isa X;" + "};"));
            transaction.commit();
        }
    }
    try (CoreSession session = dataSession()) {
        try (CoreTransaction transaction = singleThreadElgTransaction(session)) {
            transaction.query().insert(TypeQL.parseQuery("insert $o isa object;"));
            transaction.commit();
        }
    }
    try (CoreSession session = dataSession()) {
        try (CoreTransaction transaction = singleThreadElgTransaction(session)) {
            Conjunction conjunction = resolvedConjunction("{ $y isa Y; }", transaction.logic());
            Set<Identifier.Variable.Retrievable> filter = new HashSet<>();
            iterate(conjunction.variables()).map(Variable::id).filter(Identifier::isName).map(Identifier.Variable::asName).forEachRemaining(filter::add);
            ResolverRegistry registry = transaction.reasoner().resolverRegistry();
            LinkedBlockingQueue<Match.Finished> responses = new LinkedBlockingQueue<>();
            LinkedBlockingQueue<Integer> failed = new LinkedBlockingQueue<>();
            int[] iteration = { 0 };
            int[] doneInIteration = { 0 };
            boolean[] receivedInferredAnswer = { false };
            ResolutionTracer.get().start();
            Actor.Driver<RootResolver.Conjunction> root = registry.root(conjunction, answer -> {
                if (iterate(answer.conceptMap().concepts().entrySet()).map(e -> e.getValue().asThing().isInferred()).first().isPresent()) {
                    receivedInferredAnswer[0] = true;
                }
                responses.add(answer);
            }, iterDone -> {
                assert iteration[0] == iterDone;
                doneInIteration[0]++;
                failed.add(iterDone);
            }, throwable -> fail());
            Set<Match.Finished> answers = new HashSet<>();
            // iteration 0
            sendRootRequest(root, filter, iteration[0]);
            answers.add(responses.take());
            ResolutionTracer.get().finish();
            ResolutionTracer.get().start();
            sendRootRequest(root, filter, iteration[0]);
            // Block and wait for an failed message
            failed.take();
            ResolutionTracer.get().finish();
            assertTrue(receivedInferredAnswer[0]);
            assertEquals(1, doneInIteration[0]);
            // iteration 1 onwards
            for (int j = 0; j <= 100; j++) {
                ResolutionTracer.get().start();
                sendRootRequest(root, filter, iteration[0]);
                Match.Finished re = responses.poll(100, MILLISECONDS);
                if (re == null) {
                    Integer ex = failed.poll(100, MILLISECONDS);
                    if (ex == null) {
                        ResolutionTracer.get().finish();
                        fail();
                    }
                    // Reset the iteration
                    iteration[0]++;
                    receivedInferredAnswer[0] = false;
                    doneInIteration[0] = 0;
                }
                ResolutionTracer.get().finish();
            }
        } catch (TypeDBException e) {
            e.printStackTrace();
            fail();
        }
    }
}

Example 25 with CoreSession

use of com.vaticle.typedb.core.database.CoreSession in project grakn by graknlabs.

the class UnifyRelationConcludableTest method setUp.

@BeforeClass
public static void setUp() throws IOException {
    Util.resetDirectory(dataDir);
    databaseMgr = CoreDatabaseManager.open(options);
    databaseMgr.create(database);
    try (CoreSession schemaSession = databaseMgr.session(database, Arguments.Session.Type.SCHEMA)) {
        try (CoreTransaction tx = schemaSession.transaction(Arguments.Transaction.Type.WRITE)) {
            tx.query().define(TypeQL.parseQuery("define\n" + "person sub entity,\n" + "  owns first-name,\n" + "  owns last-name,\n" + "  owns age,\n" + "  plays employment:employee,\n" + "  plays employment:employer,\n" + "  plays employment:employee-recommender,\n" + "  plays friendship:friend;\n" + "\n" + "restricted-entity sub entity,\n" + "  plays part-time-employment:restriction;\n" + "student sub person,\n" + "  plays part-time-employment:part-time-employee,\n" + "  plays part-time-employment:part-time-employer,\n" + "  plays part-time-employment:part-time-employee-recommender;\n" + "\n" + "student-driver sub student,\n" + "  plays part-time-driving:night-shift-driver,\n" + "  plays part-time-driving:day-shift-driver;\n" + "organisation sub entity,\n" + "  plays employment:employer,\n" + "  plays employment:employee,\n" + "  plays employment:employee-recommender;\n" + "part-time-organisation sub organisation,\n" + "  plays part-time-employment:part-time-employer,\n" + "  plays part-time-employment:part-time-employee,\n" + "  plays part-time-employment:part-time-employee-recommender;\n" + "driving-hire sub part-time-organisation,\n" + "  plays part-time-driving:taxi,\n" + "  plays part-time-driving:night-shift-driver,\n" + "  plays part-time-driving:day-shift-driver;\n" + "\n" + "employment sub relation,\n" + "  relates employer,\n" + "  relates employee,\n" + "  relates contractor,\n" + "  relates employee-recommender;\n" + "\n" + "part-time-employment sub employment,\n" + "  relates part-time-employer as employer,\n" + "  relates part-time-employee as employee,\n" + "  relates part-time-employee-recommender as employee-recommender,\n" + "  relates restriction;\n" + "\n " + "part-time-driving sub part-time-employment,\n" + "  relates night-shift-driver as part-time-employee,\n" + "  relates day-shift-driver as part-time-employee,\n" + "  relates taxi as part-time-employer;\n" + "friendship sub relation,\n" + "    relates friend;\n" + "name sub attribute, value string, abstract;\n" + "first-name sub name;\n" + "last-name sub name;\n" + "age sub attribute, value long;").asDefine());
            tx.commit();
        }
    }
    try (CoreSession dataSession = databaseMgr.session(database, Arguments.Session.Type.DATA)) {
        try (CoreTransaction tx = dataSession.transaction(Arguments.Transaction.Type.WRITE)) {
            tx.query().insert(TypeQL.parseQuery("insert " + "(taxi: $x, night-shift-driver: $y) isa part-time-driving; " + "(part-time-employer: $x, part-time-employee: $y, part-time-employee-recommender: $z) isa part-time-employment; " + // note duplicate RP, needed to satisfy one of the child queries
            "(taxi: $x, night-shift-driver: $x, part-time-employee-recommender: $z) isa part-time-driving; " + "$x isa driving-hire;" + "$y isa driving-hire;" + "$z isa driving-hire;").asInsert());
            tx.commit();
        }
    }
    session = databaseMgr.session(database, Arguments.Session.Type.SCHEMA);
}