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

Example 41 with CoreTransaction

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

the class ResolutionTest method test_deep_rerequest_chain.

@Test
public void test_deep_rerequest_chain() throws InterruptedException {
    try (CoreSession session = schemaSession()) {
        try (CoreTransaction transaction = singleThreadElgTransaction(session)) {
            transaction.query().define(TypeQL.parseQuery("define woman sub entity, plays marriage:wife, plays friendship:friend, plays employment:employee, plays association:associated;" + "man sub entity, plays marriage:husband, plays friendship:friend;" + "friendship sub relation, relates friend;" + "company sub entity, plays employment:employer, plays association:associated;" + "marriage sub relation, relates husband, relates wife;" + "employment sub relation, relates employee, relates employer;" + "association sub relation, relates associated;" + "rule marriage-is-friendship: when {$x isa man; $y isa woman; " + "(husband: $x, wife: $y) isa marriage; } then { (friend: $x, friend: $y) isa friendship; }; " + "rule employment-is-association: when {$x isa woman; $y isa company; " + "(employee: $x, employer: $y) isa employment; } then { (associated: $x, associated: $y) isa association; }; "));
            transaction.commit();
        }
    }
    try (CoreSession session = dataSession()) {
        try (CoreTransaction transaction = singleThreadElgTransaction(session)) {
            Stream.of("insert $y isa woman; $x isa man; (husband: $x, wife: $y) isa marriage; (employee: $y, employer: $z) isa employment; $z isa company;", "insert $y isa woman; $x isa man; (husband: $x, wife: $y) isa marriage;", "insert $y isa woman; $x isa woman; (wife: $x, wife: $y) isa marriage;", "insert $y isa man;", "insert $y isa woman;", "insert $y isa woman; (employee: $y, employer: $z) isa employment; $z isa company;", "insert $z isa company;").forEach(q -> transaction.query().insert(TypeQL.parseQuery(q)));
            transaction.commit();
        }
    }
    try (CoreSession session = dataSession()) {
        try (CoreTransaction transaction = singleThreadElgTransaction(session)) {
            Conjunction conjunctionPattern = resolvedConjunction("{ $x isa man; " + "(friend: $x, friend: $y) isa friendship; $y isa woman; (associated: $y, associated: $z) isa association; $z isa company; }", transaction.logic());
            createRootAndAssertResponses(transaction, conjunctionPattern, 1L, 1L);
        }
    }
}

Example 42 with CoreTransaction

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

the class ResolutionTest method test_conjunction_no_rules.

@Test
public void test_conjunction_no_rules() 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());
            createRootAndAssertResponses(transaction, conjunctionPattern, 3L, 0L);
        }
    }
}

Example 43 with CoreTransaction

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

the class ResolutionTest method createRootAndAssertResponses.

private void createRootAndAssertResponses(CoreTransaction transaction, Disjunction disjunction, Set<Identifier.Variable.Retrievable> filter, long answerCount, long explainableAnswers) throws InterruptedException {
    ResolverRegistry registry = transaction.reasoner().resolverRegistry();
    LinkedBlockingQueue<Match.Finished> responses = new LinkedBlockingQueue<>();
    AtomicLong doneReceived = new AtomicLong(0L);
    Actor.Driver<RootResolver.Disjunction> root;
    try {
        root = registry.root(disjunction, responses::add, iterDone -> doneReceived.incrementAndGet(), (throwable) -> fail());
    } catch (TypeDBException e) {
        fail();
        return;
    }
    assertResponses(root, filter, responses, doneReceived, answerCount, explainableAnswers);
}

Example 44 with CoreTransaction

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

the class ResolutionTest method test_no_rules_with_no_answers.

@Test
public void test_no_rules_with_no_answers() 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;"));
            transaction.query().insert(TypeQL.parseQuery("insert $p1 isa person, has age 24;"));
            transaction.query().insert(TypeQL.parseQuery("insert $p1 isa person, has age 24;"));
            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());
            createRootAndAssertResponses(transaction, conjunctionPattern, 0L, 0L);
        }
    }
}

Example 45 with CoreTransaction

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

the class ResolutionTest method test_nested_disjunction.

@Test
public void test_nested_disjunction() throws InterruptedException {
    try (CoreSession session = schemaSession()) {
        try (CoreTransaction transaction = singleThreadElgTransaction(session)) {
            transaction.query().define(TypeQL.parseQuery("define person sub entity, owns age, owns name;" + "age sub attribute, value long;" + "name sub attribute, value string;" + "rule bobs-are-42: when { $p1 has name \"Bob\"; } then { $p1 has age 42; };" + "rule susans-are-24: when { $p1 has name \"Susan\"; } then { $p1 has age 24; };"));
            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 \"Susan\";"));
            transaction.query().insert(TypeQL.parseQuery("insert $p1 isa person, has age 30;"));
            transaction.commit();
        }
    }
    try (CoreSession session = dataSession()) {
        try (CoreTransaction transaction = singleThreadElgTransaction(session)) {
            Conjunction conjunctionPattern = resolvedConjunction("{ $p isa person; not { { $p has age 24; } or { $p has age 42; }; }; }", transaction.logic());
            createRootAndAssertResponses(transaction, conjunctionPattern, 1L, 0L);
        }
    }
}