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

Example 51 with Entity

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

the class QueryCacheTest method onStartup.

@Before
public void onStartup() {
    assumeTrue(GraknTestUtil.usingTinker());
    graph = testContext.tx();
    String recordPatternString = "{(role1: $x, role2: $y) isa reifiable-relation;}";
    String retrievePatternString = "{(role1: $p1, role2: $p2) isa reifiable-relation;}";
    Conjunction<VarPatternAdmin> recordPattern = conjunction(recordPatternString, graph);
    Conjunction<VarPatternAdmin> retrievePattern = conjunction(retrievePatternString, graph);
    recordQuery = ReasonerQueries.atomic(recordPattern, graph);
    retrieveQuery = ReasonerQueries.atomic(retrievePattern, graph);
    retrieveToRecordUnifier = retrieveQuery.getMultiUnifier(recordQuery).getUnifier();
    recordToRetrieveUnifier = retrieveToRecordUnifier.inverse();
    Entity entity = graph.getEntityType("anotherNoRoleEntity").instances().findFirst().orElse(null);
    singleAnswer = new QueryAnswer(ImmutableMap.of(var("x"), entity, var("y"), entity));
}

Example 52 with Entity

use of ai.grakn.concept.Entity 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 53 with Entity

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

the class ShortestPathTest method addSchemaAndEntities.

private void addSchemaAndEntities() throws InvalidKBException {
    try (GraknTx graph = session.open(GraknTxType.WRITE)) {
        EntityType entityType1 = graph.putEntityType(thing);
        EntityType entityType2 = graph.putEntityType(anotherThing);
        Entity entity1 = entityType1.addEntity();
        Entity entity2 = entityType1.addEntity();
        Entity entity3 = entityType1.addEntity();
        Entity entity4 = entityType2.addEntity();
        Entity entity5 = entityType1.addEntity();
        entityId1 = entity1.getId();
        entityId2 = entity2.getId();
        entityId3 = entity3.getId();
        entityId4 = entity4.getId();
        entityId5 = entity5.getId();
        Role role1 = graph.putRole("role1");
        Role role2 = graph.putRole("role2");
        entityType1.plays(role1).plays(role2);
        entityType2.plays(role1).plays(role2);
        RelationshipType relationshipType = graph.putRelationshipType(related).relates(role1).relates(role2);
        relationId12 = relationshipType.addRelationship().addRolePlayer(role1, entity1).addRolePlayer(role2, entity2).getId();
        relationId13 = relationshipType.addRelationship().addRolePlayer(role1, entity1).addRolePlayer(role2, entity3).getId();
        relationId24 = relationshipType.addRelationship().addRolePlayer(role1, entity2).addRolePlayer(role2, entity4).getId();
        relationId34 = relationshipType.addRelationship().addRolePlayer(role1, entity3).addRolePlayer(role2, entity4).getId();
        graph.commit();
    }
}

Example 54 with Entity

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

the class ShortestPathTest method testResourceEdges.

@Test
public void testResourceEdges() {
    ConceptId startId;
    ConceptId endId;
    try (GraknTx graph = session.open(GraknTxType.WRITE)) {
        EntityType person = graph.putEntityType("person");
        AttributeType<String> name = graph.putAttributeType("name", AttributeType.DataType.STRING);
        person.attribute(name);
        Entity aPerson = person.addEntity();
        startId = aPerson.getId();
        Attribute<String> jason = name.putAttribute("jason");
        aPerson.attribute(jason);
        endId = jason.getId();
        graph.commit();
    }
    try (GraknTx graph = session.open(GraknTxType.READ)) {
        List<List<Concept>> allPaths = graph.graql().compute().paths().from(startId).includeAttribute().to(endId).execute();
        assertEquals(1, allPaths.size());
        assertEquals(3, allPaths.get(0).size());
        assertEquals("@has-name", allPaths.get(0).get(1).asRelationship().type().getLabel().getValue());
    }
}

Example 55 with Entity

use of ai.grakn.concept.Entity 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);
    }
}