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

Example 16 with CoreSession

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

the class ExplanationTest method test_has_explicit_explainable_two_ways.

@Test
public void test_has_explicit_explainable_two_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 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);
            logicMgr.putRule("old-milk-is-not-good", TypeQL.parsePattern("{ $x isa milk, has age-in-days <= 10; }").asConjunction(), TypeQL.parseVariable("$x has is-still-good true").asThing());
            logicMgr.putRule("all-milk-is-good", TypeQL.parsePattern("{ $x isa milk; }").asConjunction(), TypeQL.parseVariable("$x has is-still-good true").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 milk, has age-in-days 5;").asInsert());
            txn.query().insert(TypeQL.parseQuery("insert $x isa milk, has age-in-days 10;").asInsert());
            txn.query().insert(TypeQL.parseQuery("insert $x isa milk, has age-in-days 15;").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 has is-still-good $a;").asMatch()).toList();
            assertEquals(3, ans.size());
            assertFalse(ans.get(0).explainables().isEmpty());
            assertFalse(ans.get(1).explainables().isEmpty());
            assertFalse(ans.get(2).explainables().isEmpty());
            AttributeType ageInDays = txn.concepts().getAttributeType("age-in-days");
            if (ans.get(0).get("x").asThing().getHas(ageInDays).first().get().asLong().getValue().equals(15L)) {
                assertSingleExplainableExplanations(ans.get(0), 0, 1, 1, txn);
            } else
                assertSingleExplainableExplanations(ans.get(0), 0, 1, 2, txn);
            if (ans.get(1).get("x").asThing().getHas(ageInDays).first().get().asLong().getValue().equals(15L)) {
                assertSingleExplainableExplanations(ans.get(1), 0, 1, 1, txn);
            } else
                assertSingleExplainableExplanations(ans.get(1), 0, 1, 2, txn);
            if (ans.get(2).get("x").asThing().getHas(ageInDays).first().get().asLong().getValue().equals(15L)) {
                assertSingleExplainableExplanations(ans.get(2), 0, 1, 1, txn);
            } else
                assertSingleExplainableExplanations(ans.get(2), 0, 1, 2, txn);
        }
    }
}

Example 17 with CoreSession

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

Example 18 with CoreSession

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

the class CorrectnessVerifierTest method testSoundnessThrowsWhenRuleTriggersTooOftenEmployableExample.

@Test
public void testSoundnessThrowsWhenRuleTriggersTooOftenEmployableExample() {
    TypeQLMatch inferenceQuery = parseQuery("match $x has employable true;").asMatch();
    CorrectnessVerifier correctnessVerifier;
    try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.DATA)) {
        correctnessVerifier = CorrectnessVerifier.initialise(session);
        try (CoreTransaction tx = session.transaction(Arguments.Transaction.Type.WRITE)) {
            tx.query().insert(parseQuery("insert $p isa person;"));
            tx.commit();
        }
        assertThrows(() -> correctnessVerifier.verifySoundness(inferenceQuery), SoundnessException.class);
        assertNotThrows(() -> correctnessVerifier.verifyCompleteness(inferenceQuery));
    }
}

Example 19 with CoreSession

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

the class CorrectnessVerifierTest method testCompletenessThrowsWhenRuleIsNotTriggeredEmployableExample.

@Test
public void testCompletenessThrowsWhenRuleIsNotTriggeredEmployableExample() {
    TypeQLMatch inferenceQuery = parseQuery("match $x has employable true;").asMatch();
    CorrectnessVerifier correctnessVerifier;
    try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.DATA)) {
        correctnessVerifier = CorrectnessVerifier.initialise(session);
        try (CoreTransaction tx = session.transaction(Arguments.Transaction.Type.WRITE)) {
            tx.query().delete(parseQuery("match $p isa person; delete $p isa person;"));
            tx.commit();
        }
        assertThrows(() -> correctnessVerifier.verifyCompleteness(inferenceQuery), CompletenessException.class);
        assertNotThrows(() -> correctnessVerifier.verifySoundness(inferenceQuery));
    }
}

Example 20 with CoreSession

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

the class CorrectnessVerifierTest method testCorrectnessPassesForEmployableExample.

@Test
public void testCorrectnessPassesForEmployableExample() {
    TypeQLMatch inferenceQuery = parseQuery("match $x has employable true;").asMatch();
    try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.DATA)) {
        CorrectnessVerifier correctnessVerifier = CorrectnessVerifier.initialise(session);
        correctnessVerifier.verifyCorrectness(inferenceQuery);
        correctnessVerifier.close();
    }
}