Examples with ROLE ai.grakn.util.Schema.MetaSchema.ROLE used on opensource projects

Example 1 with ROLE

use of ai.grakn.util.Schema.MetaSchema.ROLE in project grakn by graknlabs.

the class DefineQueryTest method testDefineReferenceByName.

@Test
public void testDefineReferenceByName() {
    String roleTypeLabel = HAS_OWNER.getLabel("title").getValue();
    qb.define(label("new-type").sub(Schema.MetaSchema.ENTITY.getLabel().getValue()), label("new-type").plays(roleTypeLabel)).execute();
    qb.insert(var("x").isa("new-type")).execute();
    Match typeQuery = qb.match(var("n").label("new-type"));
    assertEquals(1, typeQuery.stream().count());
    // We checked count ahead of time
    // noinspection OptionalGetWithoutIsPresent
    EntityType newType = typeQuery.get("n").findFirst().get().asEntityType();
    assertTrue(newType.plays().anyMatch(role -> role.equals(movies.tx().getRole(roleTypeLabel))));
    assertExists(qb, var().isa("new-type"));
}