Examples with GraknTx ai.grakn.GraknTx used on opensource projects

Example 91 with GraknTx

use of ai.grakn.GraknTx in project grakn by graknlabs.

the class GrpcServerIT method whenDefiningASchema_TheSchemaIsDefined.

@Test
public void whenDefiningASchema_TheSchemaIsDefined() {
    try (GraknTx tx = remoteSession.open(GraknTxType.WRITE)) {
        EntityType animal = tx.putEntityType("animal");
        EntityType dog = tx.putEntityType("dog").sup(animal);
        EntityType cat = tx.putEntityType("cat");
        animal.sub(cat);
        cat.setLabel(Label.of("feline"));
        dog.setAbstract(true).setAbstract(false);
        cat.setAbstract(true);
        RelationshipType chases = tx.putRelationshipType("chases");
        Role chased = tx.putRole("chased");
        Role chaser = tx.putRole("chaser");
        chases.relates(chased).relates(chaser);
        Role pointlessRole = tx.putRole("pointless-role");
        tx.putRelationshipType("pointless").relates(pointlessRole);
        chases.relates(pointlessRole).deleteRelates(pointlessRole);
        dog.plays(chaser);
        cat.plays(chased);
        AttributeType<String> name = tx.putAttributeType("name", DataType.STRING);
        AttributeType<String> id = tx.putAttributeType("id", DataType.STRING).setRegex("(good|bad)-dog");
        AttributeType<Long> age = tx.putAttributeType("age", DataType.LONG);
        animal.attribute(name);
        animal.key(id);
        dog.attribute(age).deleteAttribute(age);
        cat.key(age).deleteKey(age);
        cat.plays(chaser).deletePlays(chaser);
        Entity dunstan = dog.addEntity();
        Attribute<String> dunstanId = id.putAttribute("good-dog");
        assertNotNull(dunstan.attributeRelationship(dunstanId));
        Attribute<String> dunstanName = name.putAttribute("Dunstan");
        dunstan.attribute(dunstanName).deleteAttribute(dunstanName);
        chases.addRelationship().addRolePlayer(chaser, dunstan);
        tx.commit();
    }
    try (GraknTx tx = localSession.open(GraknTxType.READ)) {
        EntityType animal = tx.getEntityType("animal");
        EntityType dog = tx.getEntityType("dog");
        EntityType cat = tx.getEntityType("feline");
        RelationshipType chases = tx.getRelationshipType("chases");
        Role chased = tx.getRole("chased");
        Role chaser = tx.getRole("chaser");
        AttributeType<String> name = tx.getAttributeType("name");
        AttributeType<String> id = tx.getAttributeType("id");
        Entity dunstan = Iterators.getOnlyElement(dog.instances().iterator());
        Relationship aChase = Iterators.getOnlyElement(chases.instances().iterator());
        assertEquals(animal, dog.sup());
        assertEquals(animal, cat.sup());
        assertEquals(ImmutableSet.of(chased, chaser), chases.relates().collect(toSet()));
        assertEquals(ImmutableSet.of(chaser), dog.plays().filter(role -> !role.isImplicit()).collect(toSet()));
        assertEquals(ImmutableSet.of(chased), cat.plays().filter(role -> !role.isImplicit()).collect(toSet()));
        assertEquals(ImmutableSet.of(name, id), animal.attributes().collect(toSet()));
        assertEquals(ImmutableSet.of(id), animal.keys().collect(toSet()));
        assertEquals(ImmutableSet.of(name, id), dog.attributes().collect(toSet()));
        assertEquals(ImmutableSet.of(id), dog.keys().collect(toSet()));
        assertEquals(ImmutableSet.of(name, id), cat.attributes().collect(toSet()));
        assertEquals(ImmutableSet.of(id), cat.keys().collect(toSet()));
        assertEquals("good-dog", Iterables.getOnlyElement(dunstan.keys(id).collect(toSet())).getValue());
        ImmutableMap<Role, ImmutableSet<?>> expectedRolePlayers = ImmutableMap.of(chaser, ImmutableSet.of(dunstan), chased, ImmutableSet.of());
        assertEquals(expectedRolePlayers, aChase.allRolePlayers());
        assertEquals("(good|bad)-dog", id.getRegex());
        assertFalse(dog.isAbstract());
        assertTrue(cat.isAbstract());
    }
}

Example 92 with GraknTx

use of ai.grakn.GraknTx in project grakn by graknlabs.

the class GrpcServerIT method whenGettingARule_TheInformationOnTheRuleIsCorrect.

@Test
public void whenGettingARule_TheInformationOnTheRuleIsCorrect() {
    try (GraknTx remoteTx = remoteSession.open(GraknTxType.READ);
        GraknTx localTx = localSession.open(GraknTxType.READ)) {
        GetQuery query = remoteTx.graql().match(var("x").label("expectation-rule")).get();
        ai.grakn.concept.Rule remoteConcept = query.stream().findAny().get().get("x").asRule();
        ai.grakn.concept.Rule localConcept = localTx.getConcept(remoteConcept.getId()).asRule();
        assertEquals(localConcept.getWhen(), remoteConcept.getWhen());
        assertEquals(localConcept.getThen(), remoteConcept.getThen());
    }
}

Example 93 with GraknTx

use of ai.grakn.GraknTx in project grakn by graknlabs.

the class GrpcServerIT method whenExecutingAndCommittingAQuery_TheQueryIsCommitted.

@Test
public void whenExecutingAndCommittingAQuery_TheQueryIsCommitted() throws InterruptedException {
    try (GraknTx tx = remoteSession.open(GraknTxType.WRITE)) {
        tx.graql().define(label("person").sub("entity")).execute();
        tx.commit();
    }
    try (GraknTx tx = localSession.open(GraknTxType.READ)) {
        assertNotNull(tx.getEntityType("person"));
    }
}

Example 94 with GraknTx

use of ai.grakn.GraknTx in project grakn by graknlabs.

the class JsonMigratorTest method whenMigratorExecutedOverJsonDirectory_AllDataIsPersistedInGraph.

@Test
public void whenMigratorExecutedOverJsonDirectory_AllDataIsPersistedInGraph() {
    load(factory, getFile("json", "string-or-object/schema.gql"));
    String template = "\n" + "insert $thing isa the-thing\n" + "        has a-string if (<the-thing.a-string> != null) do {<the-thing.a-string>}\n" + "        else {<the-thing>} ;";
    declareAndLoad(template, "string-or-object/data");
    try (GraknTx graph = factory.open(GraknTxType.READ)) {
        EntityType theThing = graph.getEntityType("the-thing");
        assertEquals(2, theThing.instances().count());
        Stream<Entity> things = theThing.instances();
        boolean thingsCorrect = things.allMatch(thing -> {
            Object string = getResource(graph, thing, Label.of("a-string")).getValue();
            return string.equals("hello") || string.equals("goodbye");
        });
        assertTrue(thingsCorrect);
    }
}

Example 95 with GraknTx

use of ai.grakn.GraknTx in project grakn by graknlabs.

the class XMLMigratorTest method assertThingHasName.

private static void assertThingHasName(String name) {
    try (GraknTx graph = session.open(GraknTxType.READ)) {
        EntityType thingType = graph.getEntityType("thingy");
        AttributeType nameType = graph.getAttributeType("name");
        assertEquals(1, thingType.instances().count());
        thingType.instances().forEach(thing -> {
            assertEquals(1, thing.attributes(nameType).count());
            assertEquals(name, thing.attributes(nameType).iterator().next().getValue());
        });
    }
}