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

Example 36 with Match

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

the class MatchTest method whenQueryingForHas_AllowReferringToTheImplicitRelation.

@Test
public void whenQueryingForHas_AllowReferringToTheImplicitRelation() {
    Label title = Label.of("title");
    RelationshipType hasTitle = movieKB.tx().getType(HAS.getLabel(title));
    Role titleOwner = movieKB.tx().getSchemaConcept(HAS_OWNER.getLabel(title));
    Role titleValue = movieKB.tx().getSchemaConcept(HAS_VALUE.getLabel(title));
    Relationship implicitRelation = hasTitle.instances().iterator().next();
    ConceptId owner = implicitRelation.rolePlayers(titleOwner).iterator().next().getId();
    ConceptId value = implicitRelation.rolePlayers(titleValue).iterator().next().getId();
    Match query = qb.match(x.id(owner).has(title, y.id(value), r));
    assertThat(query, variable(r, contains(MatchableConcept.of(implicitRelation))));
}

Example 37 with Match

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

the class MatchTest method testMoviesHasHigherTmdbCount.

@Test
public void testMoviesHasHigherTmdbCount() {
    Match query = qb.match(x.has("tmdb-vote-count", lt(r)), var().has("title", "The Muppets").has("tmdb-vote-count", r));
    assertThat(query, variable(x, contains(chineseCoffee)));
}

Example 38 with Match

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

the class MatchTest method testDontHideImplicitTypesIfExplicitlyMentioned.

@Test
public void testDontHideImplicitTypesIfExplicitlyMentioned() {
    Match query = qb.match(x.sub(Schema.MetaSchema.THING.getLabel().getValue()).label(HAS.getLabel("title")));
    assertThat(query, variable(x, (Matcher) hasItem(hasTitle)));
}

Example 39 with Match

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

the class MatchTest method whenQueryingForAResourceWhichHasItselfAsAResource_ReturnTheResource.

@Test
public void whenQueryingForAResourceWhichHasItselfAsAResource_ReturnTheResource() {
    Match query = weirdKB.tx().graql().match(var("x").has("name", var("x")));
    assertThat(query, variable(x, contains(hasValue("weird"))));
}

Example 40 with Match

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

the class MatchTest method testHasVariable.

@Test
public void testHasVariable() {
    Match query = qb.match(var().has("title", "Godfather").has("tmdb-vote-count", x));
    assertThat(query, variable(x, contains(hasValue(1000L))));
}