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

Example 16 with GraknTx

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

the class OntologicalQueryTest method allInstancesAndTheirType.

// TODO need to correctly return THING and RELATIONSHIP mapping for %type
@Ignore
@Test
public void allInstancesAndTheirType() {
    GraknTx tx = testContext.tx();
    QueryBuilder qb = tx.graql().infer(true);
    String queryString = "match $x isa $type; get;";
    List<Answer> answers = qb.<GetQuery>parse(queryString).execute();
    assertCollectionsEqual(answers, qb.infer(false).<GetQuery>parse(queryString).execute());
}

Example 17 with GraknTx

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

the class OntologicalQueryTest method allInstancesOfMetaEntity.

/**
 * meta concepts *
 */
@Test
public void allInstancesOfMetaEntity() {
    GraknTx tx = testContext.tx();
    QueryBuilder qb = tx.graql().infer(true);
    long noOfEntities = tx.admin().getMetaEntityType().instances().count();
    String queryString = "match $x isa entity;get;";
    List<Answer> answers = qb.<GetQuery>parse(queryString).execute();
    assertEquals(answers.size(), noOfEntities);
}

Example 18 with GraknTx

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

the class ReasonerTest method testReasoningWithQueryContainingLimit.

@Test
public void testReasoningWithQueryContainingLimit() {
    GraknTx graph = nonMaterialisedGeoKB.tx();
    String limitQueryString = "match (geo-entity: $x, entity-location: $y)isa is-located-in;limit 5; get;";
    String queryString = "match (geo-entity: $x, entity-location: $y)isa is-located-in; get;";
    QueryBuilder iqb = graph.graql().infer(true);
    GetQuery limitQuery = iqb.parse(limitQueryString);
    GetQuery query = iqb.parse(queryString);
    List<Answer> limitedAnswers = limitQuery.execute();
    List<Answer> answers = query.execute();
    assertEquals(limitedAnswers.size(), 5);
    assertTrue(answers.size() > limitedAnswers.size());
    assertTrue(answers.containsAll(limitedAnswers));
}

Example 19 with GraknTx

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

the class ReasonerTest method testReasoningWithQueryWithNoRelationTypeWithRoles2.

@Test
public void testReasoningWithQueryWithNoRelationTypeWithRoles2() {
    GraknTx graph = nonMaterialisedGeoKB.tx();
    String queryString = "match $x isa city;$y isa country;(geo-entity: $x, $y); get;";
    String queryString2 = "match $x isa city;$y isa country;" + "(geo-entity: $x, entity-location: $y) isa is-located-in; get;";
    QueryBuilder iqb = graph.graql().infer(true);
    GetQuery query = iqb.parse(queryString);
    GetQuery query2 = iqb.parse(queryString2);
    assertQueriesEqual(query, query2);
}

Example 20 with GraknTx

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

the class ReasonerTest method testReasoningWithQueryWithNoRelationTypeWithRoles.

@Test
public void testReasoningWithQueryWithNoRelationTypeWithRoles() {
    GraknTx graph = nonMaterialisedGeoKB.tx();
    String queryString = "match $x isa city;$y isa country;(geo-entity: $x, $y);$y has name 'Poland'; get;";
    String queryString2 = "match $x isa city;$y isa country;" + "(geo-entity: $x, entity-location: $y) isa is-located-in;$y has name 'Poland'; get;";
    QueryBuilder iqb = graph.graql().infer(true);
    GetQuery query = iqb.parse(queryString);
    GetQuery query2 = iqb.parse(queryString2);
    assertQueriesEqual(query, query2);
}