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

Example 11 with VarPattern

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

the class DefineQueryTest method assertDefine.

private void assertDefine(VarPattern... vars) {
    // Make sure vars don't exist
    for (VarPattern var : vars) {
        assertNotExists(qb, var);
    }
    // Define all vars
    qb.define(vars).execute();
    // Make sure all vars exist
    for (VarPattern var : vars) {
        assertExists(qb, var);
    }
    // Undefine all vars
    qb.undefine(vars).execute();
    // Make sure vars don't exist
    for (VarPattern var : vars) {
        assertNotExists(qb, var);
    }
}

Example 12 with VarPattern

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

the class ReasoningTests method whenReasoningWithResourcesWithRelationVar_ResultsAreComplete.

@Test
public void whenReasoningWithResourcesWithRelationVar_ResultsAreComplete() {
    QueryBuilder qb = testSet14.tx().graql().infer(true);
    VarPattern has = var("x").has(Label.of("resource"), var("y"), var("r"));
    List<Answer> answers = qb.match(has).get().execute();
    assertEquals(answers.size(), 3);
    answers.forEach(a -> assertTrue(a.vars().contains(var("r"))));
}

Example 13 with VarPattern

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

the class RelationshipAtom method rewriteWithRelationVariable.

@Override
public RelationshipAtom rewriteWithRelationVariable() {
    VarPattern newVar = Graql.var().asUserDefined();
    VarPattern relVar = getPattern().admin().getProperty(IsaProperty.class).map(prop -> newVar.isa(prop.type())).orElse(newVar);
    for (RelationPlayer c : getRelationPlayers()) {
        VarPatternAdmin roleType = c.getRole().orElse(null);
        if (roleType != null) {
            relVar = relVar.rel(roleType, c.getRolePlayer());
        } else {
            relVar = relVar.rel(c.getRolePlayer());
        }
    }
    return create(relVar.admin(), getPredicateVariable(), getTypeId(), getParentQuery());
}

Example 14 with VarPattern

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

the class InsertQueryTest method testMatchInsertQuery.

@Test
public void testMatchInsertQuery() {
    VarPattern language1 = var().isa("language").has("name", "123");
    VarPattern language2 = var().isa("language").has("name", "456");
    qb.insert(language1, language2).execute();
    assertExists(qb, language1);
    assertExists(qb, language2);
    qb.match(var("x").isa("language")).insert(var("x").has("name", "HELLO")).execute();
    assertExists(qb, var().isa("language").has("name", "123").has("name", "HELLO"));
    assertExists(qb, var().isa("language").has("name", "456").has("name", "HELLO"));
    qb.match(var("x").isa("language")).delete("x").execute();
    assertNotExists(qb, language1);
    assertNotExists(qb, language2);
}

Example 15 with VarPattern

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

the class InsertQueryTest method whenInsertingAResourceWithMultipleValues_Throw.

@Test
public void whenInsertingAResourceWithMultipleValues_Throw() {
    VarPattern varPattern = var().val("123").val("456").isa("title");
    exception.expect(GraqlQueryException.class);
    exception.expectMessage(isOneOf(GraqlQueryException.insertMultipleProperties(varPattern, "val", "123", "456").getMessage(), GraqlQueryException.insertMultipleProperties(varPattern, "val", "456", "123").getMessage()));
    qb.insert(varPattern).execute();
}