Examples with Match ai.grakn.graql.Match used on opensource projects

Example 6 with Match

use of ai.grakn.graql.Match in project grakn by graknlabs.

the class MatchModifierTest method testLimitQuery.

@Test
public void testLimitQuery() {
    Var t = var("t");
    Match match = qb.match(x.isa("movie").has("title", t)).orderBy(t, asc).offset(1).limit(3);
    assertResultsOrderedByValue(match, t, true);
    assertEquals(3, match.stream().count());
}

Example 7 with Match

use of ai.grakn.graql.Match in project grakn by graknlabs.

the class MatchModifierTest method testVoteCountOrderedQuery.

@Test
public void testVoteCountOrderedQuery() {
    Var z = var("z");
    Match match = qb.match(z.isa("movie").has("tmdb-vote-count", var("v"))).orderBy("v", desc);
    // Make sure movies are in the correct order
    assertThat(match, variable(z, contains(godfather, hocusPocus, apocalypseNow, theMuppets, chineseCoffee)));
}

Example 8 with Match

use of ai.grakn.graql.Match in project grakn by graknlabs.

the class MatchTest method testNoInstancesOfRoleType.

@Test
public void testNoInstancesOfRoleType() {
    Match query = qb.match(x.isa(y), y.label("actor"));
    assertThat(query, emptyIterable());
}

Example 9 with Match

use of ai.grakn.graql.Match in project grakn by graknlabs.

the class MatchTest method whenQueryingForAnImplicitRelationById_TheRelationIsReturned.

@Test
public void whenQueryingForAnImplicitRelationById_TheRelationIsReturned() {
    Match match = qb.match(var("x").isa(label(Schema.ImplicitType.HAS.getLabel("name"))));
    Relationship relationship = match.get("x").findAny().get().asRelationship();
    Match queryById = qb.match(var("x").id(relationship.getId()));
    assertThat(queryById, variable(x, contains(MatchableConcept.of(relationship))));
}

Example 10 with Match

use of ai.grakn.graql.Match in project grakn by graknlabs.

the class MatchTest method testAndOrPattern.

@Test
public void testAndOrPattern() {
    Match query = qb.match(x.isa("movie"), or(and(y.isa("genre").has("name", "drama"), var().rel(x).rel(y)), x.has("title", "The Muppets")));
    assertThat(query, variable(x, containsInAnyOrder(godfather, apocalypseNow, heat, theMuppets, chineseCoffee)));
}