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

Example 51 with Match

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

the class QueryBuilderImpl method match.

/**
 * @param patterns a collection of patterns to match in the knowledge base
 * @return a {@link Match} that will find matches of the given patterns
 */
@Override
public Match match(Collection<? extends Pattern> patterns) {
    Conjunction<PatternAdmin> conjunction = Patterns.conjunction(Sets.newHashSet(AdminConverter.getPatternAdmins(patterns)));
    MatchBase base = new MatchBase(conjunction);
    Match match = infer ? base.infer(materialise).admin() : base;
    return tx.map(match::withTx).orElse(match);
}

Example 52 with Match

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

the class MatchModifierTest method testValueOrderedQuery.

@Test
public void testValueOrderedQuery() {
    Var theMovie = var("the-movie");
    Match match = qb.match(theMovie.isa("movie").has("title", n)).orderBy(n, desc);
    assertResultsOrderedByValue(match, n, false);
    // Make sure all results are included
    assertThat(match, variable(theMovie, containsAllMovies));
}

Example 53 with Match

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

the class MatchTest method testLookupResourcesOnId.

@Test
public void testLookupResourcesOnId() {
    Thing godfather = movieKB.tx().getAttributeType("title").getAttribute("Godfather").owner();
    ConceptId id = godfather.getId();
    Match query = qb.match(var().id(id).has("title", x));
    assertThat(query, variable(x, contains(hasValue("Godfather"))));
}

Example 54 with Match

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

the class MatchTest method whenQueryingForResourcesWithEqualValues_ResultsAreCorrect.

@Test
public void whenQueryingForResourcesWithEqualValues_ResultsAreCorrect() {
    Match query = qb.match(x.val(y));
    assertThat(query, iterableWithSize(greaterThan(10)));
    query.forEach(result -> {
        Concept cx = result.get(x);
        Concept cy = result.get(y);
        assertEquals(cx.asAttribute().getValue(), cy.asAttribute().getValue());
    });
}

Example 55 with Match

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

the class MatchTest method testContainsQuery.

@Test
public void testContainsQuery() {
    Match query = qb.match(x.isa("character").has("name", contains("ar")));
    assertThat(query, variable(x, containsInAnyOrder(sarah, benjaminLWillard, harry)));
}