Examples with Concept ai.grakn.concept.Concept used on opensource projects

Example 46 with Concept

use of ai.grakn.concept.Concept in project grakn by graknlabs.

the class ShortestPathTest method testMultipleIndependentShortestPaths.

@Test
public void testMultipleIndependentShortestPaths() throws InvalidKBException {
    Set<List<ConceptId>> validPaths = new HashSet<>();
    ConceptId startId;
    ConceptId endId;
    int numberOfPaths = 3;
    try (GraknTx graph = session.open(GraknTxType.WRITE)) {
        EntityType entityType = graph.putEntityType(thing);
        Role role1 = graph.putRole("role1");
        Role role2 = graph.putRole("role2");
        entityType.plays(role1).plays(role2);
        RelationshipType relationshipType = graph.putRelationshipType(related).relates(role1).relates(role2);
        Entity start = entityType.addEntity();
        Entity end = entityType.addEntity();
        startId = start.getId();
        endId = end.getId();
        // create N identical length paths
        for (int i = 0; i < numberOfPaths; i++) {
            List<ConceptId> validPath = new ArrayList<>();
            validPath.add(startId);
            Entity middle = entityType.addEntity();
            ConceptId middleId = middle.getId();
            ConceptId assertion1 = relationshipType.addRelationship().addRolePlayer(role1, start).addRolePlayer(role2, middle).getId();
            validPath.add(assertion1);
            validPath.add(middleId);
            ConceptId assertion2 = relationshipType.addRelationship().addRolePlayer(role1, middle).addRolePlayer(role2, end).getId();
            validPath.add(assertion2);
            validPath.add(endId);
            validPaths.add(validPath);
        }
        graph.commit();
    }
    try (GraknTx graph = session.open(GraknTxType.READ)) {
        List<List<Concept>> allPaths = graph.graql().compute().paths().from(startId).to(endId).execute();
        assertEquals(numberOfPaths, allPaths.size());
        Set<List<ConceptId>> computedPaths = allPaths.stream().map(path -> path.stream().map(Concept::getId).collect(Collectors.toList())).collect(Collectors.toSet());
        assertEquals(validPaths, computedPaths);
    }
}

Example 47 with Concept

use of ai.grakn.concept.Concept in project grakn by graknlabs.

the class ShortestPathTest method testMultiplePathsSharing3Instances.

@Test
public void testMultiplePathsSharing3Instances() throws InvalidKBException {
    ConceptId startId;
    ConceptId endId;
    Set<List<ConceptId>> correctPaths = new HashSet<>();
    try (GraknTx graph = session.open(GraknTxType.WRITE)) {
        EntityType entityType = graph.putEntityType(thing);
        Role role1 = graph.putRole("role1");
        Role role2 = graph.putRole("role2");
        entityType.plays(role1).plays(role2);
        RelationshipType relationshipType1 = graph.putRelationshipType(related).relates(role1).relates(role2);
        Role role3 = graph.putRole("role3");
        Role role4 = graph.putRole("role4");
        Role role5 = graph.putRole("role5");
        entityType.plays(role3).plays(role4).plays(role5);
        RelationshipType relationshipType2 = graph.putRelationshipType(veryRelated).relates(role3).relates(role4).relates(role5);
        Entity start = entityType.addEntity();
        Entity end = entityType.addEntity();
        Entity middle = entityType.addEntity();
        Entity middleA = entityType.addEntity();
        Entity middleB = entityType.addEntity();
        startId = start.getId();
        endId = end.getId();
        ConceptId middleId = middle.getId();
        ConceptId middleAId = middleA.getId();
        ConceptId middleBId = middleB.getId();
        ConceptId assertion1 = relationshipType1.addRelationship().addRolePlayer(role1, start).addRolePlayer(role2, middle).getId();
        ConceptId assertion2 = relationshipType2.addRelationship().addRolePlayer(role3, middle).addRolePlayer(role4, middleA).addRolePlayer(role5, middleB).getId();
        ConceptId assertion1A = relationshipType1.addRelationship().addRolePlayer(role1, middleA).addRolePlayer(role2, end).getId();
        ConceptId assertion1B = relationshipType1.addRelationship().addRolePlayer(role1, middleB).addRolePlayer(role2, end).getId();
        List<ConceptId> sharedPath = Lists.newArrayList(startId, assertion1, middleId, assertion2);
        List<ConceptId> path1 = new ArrayList<>(sharedPath);
        path1.addAll(Lists.newArrayList(middleAId, assertion1A, endId));
        List<ConceptId> path2 = new ArrayList<>(sharedPath);
        path2.addAll(Lists.newArrayList(middleBId, assertion1B, endId));
        correctPaths.add(path1);
        correctPaths.add(path2);
        graph.commit();
    }
    try (GraknTx graph = session.open(GraknTxType.READ)) {
        List<List<Concept>> allPaths = graph.graql().compute().paths().from(startId).to(endId).execute();
        assertEquals(correctPaths.size(), allPaths.size());
        Set<List<ConceptId>> computedPaths = allPaths.stream().map(path -> path.stream().map(Concept::getId).collect(Collectors.toList())).collect(Collectors.toSet());
        assertEquals(correctPaths, computedPaths);
    }
}

Example 48 with Concept

use of ai.grakn.concept.Concept in project grakn by graknlabs.

the class QueryParserTest method testCustomAggregate.

@Test
public void testCustomAggregate() {
    QueryBuilder qb = withoutGraph();
    QueryParser parser = qb.parser();
    parser.registerAggregate("get-any", args -> new GetAny((Var) args.get(0)));
    AggregateQuery<Concept> expected = qb.match(var("x").isa("movie")).aggregate(new GetAny(Graql.var("x")));
    AggregateQuery<Concept> parsed = qb.parse("match $x isa movie; aggregate get-any $x;");
    assertEquals(expected, parsed);
}

Example 49 with Concept

use of ai.grakn.concept.Concept in project grakn by graknlabs.

the class GeoInferenceTest method testTransitiveQuery_withSubstitution_variableRoles.

@Test
public void testTransitiveQuery_withSubstitution_variableRoles() {
    GraknTx graph = geoKB.tx();
    QueryBuilder iqb = geoKB.tx().graql().infer(true);
    Concept masovia = getConcept(graph, "name", "Masovia");
    String queryString = "match " + "($r1: $x, $r2: $y) isa is-located-in;" + "$y id '" + masovia.getId().getValue() + "'; get;";
    List<Answer> answers = iqb.materialise(false).<GetQuery>parse(queryString).execute();
    List<Answer> answers2 = iqb.materialise(true).<GetQuery>parse(queryString).execute();
    answers.forEach(ans -> assertEquals(ans.size(), 4));
    answers.forEach(ans -> assertEquals(ans.get(var("y")).getId().getValue(), masovia.getId().getValue()));
    answers2.forEach(ans -> assertEquals(ans.size(), 4));
    answers2.forEach(ans -> assertEquals(ans.get(var("y")).getId().getValue(), masovia.getId().getValue()));
    assertEquals(answers.size(), 20);
    assertCollectionsEqual(answers, answers2);
}

Example 50 with Concept

use of ai.grakn.concept.Concept in project grakn by graknlabs.

the class GeoInferenceTest method testTransitiveQuery_Closure_singleVariableRole_withSubstitution.

@Test
public void testTransitiveQuery_Closure_singleVariableRole_withSubstitution() {
    GraknTx graph = geoKB.tx();
    QueryBuilder iqb = geoKB.tx().graql().infer(true);
    Concept masovia = getConcept(graph, "name", "Masovia");
    String queryString = "match " + "($x, $r2: $y) isa is-located-in;" + "$y id '" + masovia.getId().getValue() + "'; get;";
    List<Answer> answers = iqb.materialise(false).<GetQuery>parse(queryString).execute();
    List<Answer> answers2 = iqb.materialise(true).<GetQuery>parse(queryString).execute();
    answers.forEach(ans -> assertEquals(ans.size(), 3));
    answers.forEach(ans -> assertEquals(ans.get(var("y")).getId().getValue(), masovia.getId().getValue()));
    assertEquals(answers.size(), 10);
    answers2.forEach(ans -> assertEquals(ans.size(), 3));
    answers2.forEach(ans -> assertEquals(ans.get(var("y")).getId().getValue(), masovia.getId().getValue()));
    assertCollectionsEqual(answers, answers2);
}