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

Example 11 with CoreSession

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

the class ResolutionTest method test_simple_rule.

@Test
public void test_simple_rule() throws InterruptedException {
    try (CoreSession session = schemaSession()) {
        try (CoreTransaction transaction = singleThreadElgTransaction(session)) {
            transaction.query().define(TypeQL.parseQuery("define person sub entity, owns name, owns age, plays twins:twin1, plays twins:twin2;" + "age sub attribute, value long;" + "name sub attribute, value string;" + "twins sub relation, relates twin1, relates twin2;" + "rule bobs-are-42: when { $p1 isa person, has name \"Bob\"; } then { $p1 has age 42; };"));
            transaction.commit();
        }
    }
    try (CoreSession session = dataSession()) {
        try (CoreTransaction transaction = singleThreadElgTransaction(session)) {
            transaction.query().insert(TypeQL.parseQuery("insert $p1 isa person, has name \"Bob\";"));
            transaction.query().insert(TypeQL.parseQuery("insert $p1 isa person, has name \"Bob\";"));
            transaction.query().insert(TypeQL.parseQuery("insert $p1 isa person, has name \"Bob\";"));
            transaction.query().insert(TypeQL.parseQuery("insert $p1 isa person, has age 42;"));
            transaction.query().insert(TypeQL.parseQuery("insert $p1 isa person, has age 42;"));
            transaction.query().insert(TypeQL.parseQuery("insert $p1 isa person, has age 42;"));
            transaction.commit();
        }
    }
    try (CoreSession session = dataSession()) {
        try (CoreTransaction transaction = singleThreadElgTransaction(session)) {
            Conjunction conjunctionPattern = resolvedConjunction("{ $p1 isa person, has age 42; }", transaction.logic());
            createRootAndAssertResponses(transaction, conjunctionPattern, 6L, 3L);
        }
    }
}

Example 12 with CoreSession

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

the class ResolutionTest method test_exceptions_are_propagated.

@Test
public void test_exceptions_are_propagated() throws InterruptedException {
    try (CoreSession session = schemaSession()) {
        try (CoreTransaction transaction = singleThreadElgTransaction(session)) {
            transaction.query().define(TypeQL.parseQuery("define person sub entity, owns age, plays twins:twin1, plays twins:twin2;" + "age sub attribute, value long;" + "twins sub relation, relates twin1, relates twin2;"));
            transaction.commit();
        }
    }
    try (CoreSession session = dataSession()) {
        try (CoreTransaction transaction = singleThreadElgTransaction(session)) {
            transaction.query().insert(TypeQL.parseQuery("insert $p1 isa person, has age 24; $t(twin1: $p1, twin2: $p2) isa twins; $p2 isa person;"));
            transaction.query().insert(TypeQL.parseQuery("insert $p1 isa person, has age 24; $t(twin1: $p1, twin2: $p2) isa twins; $p2 isa person;"));
            transaction.query().insert(TypeQL.parseQuery("insert $p1 isa person, has age 24; $t(twin1: $p1, twin2: $p2) isa twins; $p2 isa person;"));
            transaction.commit();
        }
    }
    try (CoreSession session = dataSession()) {
        try (CoreTransaction transaction = singleThreadElgTransaction(session)) {
            Conjunction conjunctionPattern = resolvedConjunction("{ $t(twin1: $p1, twin2: $p2) isa twins; $p1 has age $a; }", transaction.logic());
            ResolverRegistry registry = transaction.reasoner().resolverRegistry();
            LinkedBlockingQueue<Match.Finished> responses = new LinkedBlockingQueue<>();
            AtomicLong doneReceived = new AtomicLong(0L);
            LinkedBlockingQueue<Throwable> exceptions = new LinkedBlockingQueue<>();
            Actor.Driver<RootResolver.Conjunction> root;
            try {
                root = registry.root(conjunctionPattern, responses::add, iterDone -> doneReceived.incrementAndGet(), exceptions::add);
            } catch (TypeDBException e) {
                fail();
            }
            Exception e = new RuntimeException();
            registry.terminateResolvers(e);
            Throwable receivedException = exceptions.poll(100, TimeUnit.MILLISECONDS);
            assertEquals(e, receivedException);
        }
    }
}

Example 13 with CoreSession

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

Example 14 with CoreSession

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

the class ExplanationTest method test_has_variable_explainable_two_ways.

@Test
public void test_has_variable_explainable_two_ways() {
    try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.SCHEMA)) {
        try (CoreTransaction txn = singleThreadElgTransaction(session, Arguments.Transaction.Type.WRITE)) {
            LogicManager logicMgr = txn.logic();
            txn.query().define(TypeQL.parseQuery("define " + "user sub entity, " + "  plays group-membership:member, " + "  owns permission; " + "user-group sub entity," + "  plays group-membership:user-group," + "  owns permission," + "  owns name; " + "group-membership sub relation," + "  relates member," + "  relates user-group; " + "permission sub attribute, value string;" + "name sub attribute, value string;").asDefine());
            logicMgr.putRule("admin-group-gives-permissions", TypeQL.parsePattern("{ $x isa user; ($x, $g) isa group-membership; $g isa user-group, has name \"admin\", has permission $p; }").asConjunction(), TypeQL.parseVariable("$x has $p").asThing());
            logicMgr.putRule("writer-group-gives-permissions", TypeQL.parsePattern("{ $x isa user; ($x, $g) isa group-membership; $g isa user-group, has name \"write\", has permission $p; }").asConjunction(), TypeQL.parseVariable("$x has $p").asThing());
            txn.commit();
        }
    }
    try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.DATA)) {
        try (CoreTransaction txn = singleThreadElgTransaction(session, Arguments.Transaction.Type.WRITE)) {
            txn.query().insert(TypeQL.parseQuery("insert " + "$x isa user; " + "$wg isa user-group, has name \"write\", has permission \"write\";" + "(member: $x, user-group: $wg) isa group-membership;" + "$admin isa user-group, has name \"admin\", has permission \"write\", has permission \"delete\";" + "(member: $x, user-group: $admin) isa group-membership;").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 $x isa user, has permission \"write\";").asMatch()).toList();
            assertEquals(1, ans.size());
            assertFalse(ans.get(0).explainables().isEmpty());
            assertSingleExplainableExplanations(ans.get(0), 1, 1, 2, txn);
        }
    }
}

Example 15 with CoreSession

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