Examples with RelationshipType ai.grakn.concept.RelationshipType used on opensource projects

Example 86 with RelationshipType

use of ai.grakn.concept.RelationshipType in project grakn by graknlabs.

the class RelationshipTypeTest method whenCallingInstancesOnImplicitRelationType_RelationEdgesAreReturned.

@Test
public void whenCallingInstancesOnImplicitRelationType_RelationEdgesAreReturned() {
    AttributeType<String> attributeType = tx.putAttributeType("My Special Attribute Type", AttributeType.DataType.STRING);
    Attribute<String> attribute = attributeType.putAttribute("Ad thing");
    EntityType entityType = tx.putEntityType("My Special Entity Type").attribute(attributeType);
    Entity entity = entityType.addEntity();
    RelationshipType implicitRelationshipType = tx.getRelationshipType(Schema.ImplicitType.HAS.getLabel(attributeType.getLabel()).getValue());
    assertNotNull(implicitRelationshipType);
    assertThat(implicitRelationshipType.instances().collect(toSet()), empty());
    entity.attribute(attribute);
    assertEquals(1, implicitRelationshipType.instances().count());
}

Example 87 with RelationshipType

use of ai.grakn.concept.RelationshipType in project grakn by graknlabs.

the class RelationshipTypeTest method whenSettingAnImplicitRelationTypeWithInstancesAbstract_Throw.

@Test
public void whenSettingAnImplicitRelationTypeWithInstancesAbstract_Throw() {
    AttributeType<String> attributeType = tx.putAttributeType("My Special Attribute Type", AttributeType.DataType.STRING);
    Attribute<String> attribute = attributeType.putAttribute("Ad thing");
    EntityType entityType = tx.putEntityType("My Special Entity Type").attribute(attributeType);
    entityType.addEntity().attribute(attribute);
    RelationshipType implicitRelationshipType = tx.getRelationshipType(Schema.ImplicitType.HAS.getLabel(attributeType.getLabel()).getValue());
    expectedException.expect(GraknTxOperationException.class);
    expectedException.expectMessage(GraknTxOperationException.addingInstancesToAbstractType(implicitRelationshipType).getMessage());
    implicitRelationshipType.setAbstract(true);
}

Example 88 with RelationshipType

use of ai.grakn.concept.RelationshipType in project grakn by graknlabs.

the class LinearTransitivityMatrixKB method buildExtensionalDB.

private void buildExtensionalDB(GraknTx graph, int n, int m) {
    Role Qfrom = graph.getRole("Q-from");
    Role Qto = graph.getRole("Q-to");
    EntityType aEntity = graph.getEntityType("a-entity");
    RelationshipType Q = graph.getRelationshipType("Q");
    ConceptId[][] aInstancesIds = new ConceptId[n + 1][m + 1];
    Thing aInst = putEntityWithResource(graph, "a", graph.getEntityType("entity2"), key);
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            aInstancesIds[i][j] = putEntityWithResource(graph, "a" + i + "," + j, aEntity, key).getId();
        }
    }
    Q.addRelationship().addRolePlayer(Qfrom, aInst).addRolePlayer(Qto, graph.getConcept(aInstancesIds[1][1]));
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            if (i < n) {
                Q.addRelationship().addRolePlayer(Qfrom, graph.getConcept(aInstancesIds[i][j])).addRolePlayer(Qto, graph.getConcept(aInstancesIds[i + 1][j]));
            }
            if (j < m) {
                Q.addRelationship().addRolePlayer(Qfrom, graph.getConcept(aInstancesIds[i][j])).addRolePlayer(Qto, graph.getConcept(aInstancesIds[i][j + 1]));
            }
        }
    }
}

Example 89 with RelationshipType

use of ai.grakn.concept.RelationshipType in project grakn by graknlabs.

the class GrpcServerIT method whenGettingARelationshipType_TheInformationOnTheRelationshipTypeIsCorrect.

@Test
public void whenGettingARelationshipType_TheInformationOnTheRelationshipTypeIsCorrect() {
    try (GraknTx remoteTx = remoteSession.open(GraknTxType.READ);
        GraknTx localTx = localSession.open(GraknTxType.READ)) {
        GetQuery query = remoteTx.graql().match(var("x").label("has-cast")).get();
        RelationshipType remoteConcept = query.stream().findAny().get().get("x").asRelationshipType();
        RelationshipType localConcept = localTx.getConcept(remoteConcept.getId()).asRelationshipType();
        assertEqualConcepts(localConcept, remoteConcept, RelationshipType::relates);
    }
}

Example 90 with RelationshipType

use of ai.grakn.concept.RelationshipType in project grakn by graknlabs.

the class GraknTxJanusTest method whenDeletingARelationshipTypeWithRoles_TheRelationshipTypeIsDeleted.

@Test
public void whenDeletingARelationshipTypeWithRoles_TheRelationshipTypeIsDeleted() {
    Role murderer = graknTx.putRole("murderer");
    Role victim = graknTx.putRole("victim");
    RelationshipType murder = graknTx.putRelationshipType("murder").relates(murderer).relates(victim);
    murder.delete();
    assertTrue(murder.isDeleted());
    assertThat(murderer.relationshipTypes().toArray(), emptyArray());
    assertThat(victim.relationshipTypes().toArray(), emptyArray());
}