Examples with Property org.apache.tinkerpop.gremlin.structure.Property used on opensource projects

Example 6 with Property

use of org.apache.tinkerpop.gremlin.structure.Property in project janusgraph by JanusGraph.

the class StandardJanusGraphTx method addProperty.

public JanusGraphVertexProperty addProperty(VertexProperty.Cardinality cardinality, JanusGraphVertex vertex, PropertyKey key, Object value, Long id) {
    if (key.cardinality().convert() != cardinality && cardinality != VertexProperty.Cardinality.single)
        throw new SchemaViolationException("Key is defined for %s cardinality which conflicts with specified: %s", key.cardinality(), cardinality);
    verifyWriteAccess(vertex);
    Preconditions.checkArgument(!(key instanceof ImplicitKey), "Cannot create a property of implicit type: %s", key.name());
    vertex = ((InternalVertex) vertex).it();
    Preconditions.checkNotNull(key);
    checkPropertyConstraintForVertexOrCreatePropertyConstraint(vertex, key);
    final Object normalizedValue = verifyAttribute(key, value);
    Cardinality keyCardinality = key.cardinality();
    // Determine unique indexes
    final List<IndexLockTuple> uniqueIndexTuples = new ArrayList<>();
    for (CompositeIndexType index : TypeUtil.getUniqueIndexes(key)) {
        IndexSerializer.IndexRecords matches = IndexSerializer.indexMatches(vertex, index, key, normalizedValue);
        for (Object[] match : matches.getRecordValues()) uniqueIndexTuples.add(new IndexLockTuple(index, match));
    }
    TransactionLock uniqueLock = getUniquenessLock(vertex, (InternalRelationType) key, normalizedValue);
    // Add locks for unique indexes
    for (IndexLockTuple lockTuple : uniqueIndexTuples) uniqueLock = new CombinerLock(uniqueLock, getLock(lockTuple), times);
    uniqueLock.lock(LOCK_TIMEOUT);
    try {
        // //Check vertex-centric uniqueness -> this doesn't really make sense to check
        // if (config.hasVerifyUniqueness()) {
        // if (cardinality == Cardinality.SINGLE) {
        // if (!Iterables.isEmpty(query(vertex).type(key).properties()))
        // throw new SchemaViolationException("A property with the given key [%s] already exists on the vertex [%s] and the property key is defined as single-valued", key.name(), vertex);
        // }
        // if (cardinality == Cardinality.SET) {
        // if (!Iterables.isEmpty(Iterables.filter(query(vertex).type(key).properties(), new Predicate<JanusGraphVertexProperty>() {
        // @Override
        // public boolean apply(@Nullable JanusGraphVertexProperty janusgraphProperty) {
        // return normalizedValue.equals(janusgraphProperty.value());
        // }
        // })))
        // throw new SchemaViolationException("A property with the given key [%s] and value [%s] already exists on the vertex and the property key is defined as set-valued", key.name(), normalizedValue);
        // }
        // }
        long propId = id == null ? IDManager.getTemporaryRelationID(temporaryIds.nextID()) : id;
        StandardVertexProperty prop = new StandardVertexProperty(propId, key, (InternalVertex) vertex, normalizedValue, ElementLifeCycle.New);
        if (config.hasAssignIDsImmediately() && id == null)
            graph.assignID(prop);
        // Delete properties if the cardinality is restricted
        if (cardinality == VertexProperty.Cardinality.single || cardinality == VertexProperty.Cardinality.set) {
            Consumer<JanusGraphVertexProperty> propertyRemover = JanusGraphVertexProperty.getRemover(cardinality, normalizedValue);
            if ((!config.hasVerifyUniqueness() || ((InternalRelationType) key).getConsistencyModifier() != ConsistencyModifier.LOCK) && !TypeUtil.hasAnyIndex(key) && cardinality == keyCardinality.convert()) {
                // Only delete in-memory so as to not trigger a read from the database which isn't necessary because we will overwrite blindly
                // We need to label the new property as "upsert", so that in case property deletion happens, we not only delete this new
                // in-memory property, but also read from database to delete the old value (if exists)
                ((InternalVertex) vertex).getAddedRelations(p -> p.getType().equals(key)).forEach(p -> propertyRemover.accept((JanusGraphVertexProperty) p));
                prop.setUpsert(true);
            } else {
                ((InternalVertex) vertex).query().types(key).properties().forEach(propertyRemover);
            }
        }
        // Check index uniqueness
        if (config.hasVerifyUniqueness()) {
            // Check all unique indexes
            for (IndexLockTuple lockTuple : uniqueIndexTuples) {
                if (!Iterables.isEmpty(IndexHelper.getQueryResults(lockTuple.getIndex(), lockTuple.getAll(), this)))
                    throw new SchemaViolationException("Adding this property for key [%s] and value [%s] violates a uniqueness constraint [%s]", key.name(), normalizedValue, lockTuple.getIndex());
            }
        }
        connectRelation(prop);
        return prop;
    } finally {
        uniqueLock.unlock();
    }
}

Example 7 with Property

use of org.apache.tinkerpop.gremlin.structure.Property in project janusgraph by JanusGraph.

the class IndexSerializerTest method mockIndexableElement.

private JanusGraphElement mockIndexableElement(String key, String value, boolean indexable) {
    StandardJanusGraphTx tx = mock(StandardJanusGraphTx.class);
    JanusGraphElement indexableElement = spy(new StandardVertex(tx, 1L, ElementLifeCycle.New));
    Property pk2 = indexableElement.property(key, value);
    Iterator it = Arrays.asList(pk2).iterator();
    doReturn(it).when(indexableElement).properties(key);
    if (indexable)
        doReturn(Arrays.asList(value).iterator()).when(indexableElement).values(key);
    else
        // skpping the values section!!
        doReturn(new ArrayList<>().iterator()).when(indexableElement).values(key);
    return indexableElement;
}

Example 8 with Property

use of org.apache.tinkerpop.gremlin.structure.Property in project janusgraph by JanusGraph.

the class AbstractTypedRelation method property.

/* ---------------------------------------------------------------
     * Mutable Aspects of Relation
     * ---------------------------------------------------------------
     */
@Override
public <V> Property<V> property(final String key, final V value) {
    verifyAccess();
    PropertyKey propertyKey = tx().getOrCreatePropertyKey(key, value);
    if (propertyKey == null) {
        return JanusGraphVertexProperty.empty();
    }
    if (value == null) {
        VertexProperty.Cardinality cardinality = propertyKey.cardinality().convert();
        if (cardinality.equals(VertexProperty.Cardinality.single)) {
            // putting null value with SINGLE cardinality is equivalent to removing existing value
            properties(key).forEachRemaining(Property::remove);
        } else {
            // simply ignore this mutation
            assert cardinality.equals(VertexProperty.Cardinality.list) || cardinality.equals(VertexProperty.Cardinality.set);
        }
        return JanusGraphVertexProperty.empty();
    }
    Object normalizedValue = tx().verifyAttribute(propertyKey, value);
    it().setPropertyDirect(propertyKey, normalizedValue);
    return new SimpleJanusGraphProperty<>(this, propertyKey, value);
}

Example 9 with Property

use of org.apache.tinkerpop.gremlin.structure.Property in project janusgraph by JanusGraph.

the class JanusGraphTest method simpleLogTest.

public void simpleLogTest(final boolean withLogFailure) throws InterruptedException {
    final String userLogName = "test";
    final Serializer serializer = graph.getDataSerializer();
    final EdgeSerializer edgeSerializer = graph.getEdgeSerializer();
    final TimestampProvider times = graph.getConfiguration().getTimestampProvider();
    final Instant startTime = times.getTime();
    clopen(option(SYSTEM_LOG_TRANSACTIONS), true, option(LOG_BACKEND, USER_LOG), (withLogFailure ? TestMockLog.class.getName() : LOG_BACKEND.getDefaultValue()), option(TestMockLog.LOG_MOCK_FAILADD, USER_LOG), withLogFailure, option(KCVSLog.LOG_READ_LAG_TIME, USER_LOG), Duration.ofMillis(50), option(LOG_READ_INTERVAL, USER_LOG), Duration.ofMillis(250), option(LOG_SEND_DELAY, USER_LOG), Duration.ofMillis(100), option(KCVSLog.LOG_READ_LAG_TIME, TRANSACTION_LOG), Duration.ofMillis(50), option(LOG_READ_INTERVAL, TRANSACTION_LOG), Duration.ofMillis(250), option(MAX_COMMIT_TIME), Duration.ofSeconds(1));
    final String instanceId = graph.getConfiguration().getUniqueGraphId();
    PropertyKey weight = tx.makePropertyKey("weight").dataType(Float.class).cardinality(Cardinality.SINGLE).make();
    EdgeLabel knows = tx.makeEdgeLabel("knows").make();
    JanusGraphVertex n1 = tx.addVertex("weight", 10.5);
    tx.addProperties(knows, weight);
    newTx();
    final Instant[] txTimes = new Instant[4];
    // Transaction with custom user log name
    txTimes[0] = times.getTime();
    JanusGraphTransaction tx2 = graph.buildTransaction().logIdentifier(userLogName).start();
    JanusGraphVertex v1 = tx2.addVertex("weight", 111.1);
    v1.addEdge("knows", v1);
    tx2.commit();
    final long v1id = getId(v1);
    txTimes[1] = times.getTime();
    tx2 = graph.buildTransaction().logIdentifier(userLogName).start();
    JanusGraphVertex v2 = tx2.addVertex("weight", 222.2);
    v2.addEdge("knows", getV(tx2, v1id));
    tx2.commit();
    final long v2id = getId(v2);
    // Only read tx
    tx2 = graph.buildTransaction().logIdentifier(userLogName).start();
    v1 = getV(tx2, v1id);
    assertEquals(111.1, v1.<Float>value("weight").doubleValue(), 0.01);
    assertEquals(222.2, getV(tx2, v2).<Float>value("weight").doubleValue(), 0.01);
    tx2.commit();
    // Deleting transaction
    txTimes[2] = times.getTime();
    tx2 = graph.buildTransaction().logIdentifier(userLogName).start();
    v2 = getV(tx2, v2id);
    assertEquals(222.2, v2.<Float>value("weight").doubleValue(), 0.01);
    v2.remove();
    tx2.commit();
    // Edge modifying transaction
    txTimes[3] = times.getTime();
    tx2 = graph.buildTransaction().logIdentifier(userLogName).start();
    v1 = getV(tx2, v1id);
    assertEquals(111.1, v1.<Float>value("weight").doubleValue(), 0.01);
    final Edge e = Iterables.getOnlyElement(v1.query().direction(Direction.OUT).labels("knows").edges());
    assertFalse(e.property("weight").isPresent());
    e.property("weight", 44.4);
    tx2.commit();
    close();
    final Instant endTime = times.getTime();
    final ReadMarker startMarker = ReadMarker.fromTime(startTime);
    final Log transactionLog = openTxLog();
    final Log userLog = openUserLog(userLogName);
    final EnumMap<LogTxStatus, AtomicInteger> txMsgCounter = new EnumMap<>(LogTxStatus.class);
    for (final LogTxStatus status : LogTxStatus.values()) txMsgCounter.put(status, new AtomicInteger(0));
    final AtomicInteger userLogMeta = new AtomicInteger(0);
    transactionLog.registerReader(startMarker, new MessageReader() {

        @Override
        public void read(Message message) {
            final Instant msgTime = message.getTimestamp();
            assertTrue(msgTime.isAfter(startTime) || msgTime.equals(startTime));
            assertNotNull(message.getSenderId());
            final TransactionLogHeader.Entry txEntry = TransactionLogHeader.parse(message.getContent(), serializer, times);
            final TransactionLogHeader header = txEntry.getHeader();
            // System.out.println(header.getTimestamp(TimeUnit.MILLISECONDS));
            assertTrue(header.getTimestamp().isAfter(startTime) || header.getTimestamp().equals(startTime));
            assertTrue(header.getTimestamp().isBefore(msgTime) || header.getTimestamp().equals(msgTime));
            assertNotNull(txEntry.getMetadata());
            assertNull(txEntry.getMetadata().get(LogTxMeta.GROUPNAME));
            final LogTxStatus status = txEntry.getStatus();
            if (status == LogTxStatus.PRECOMMIT) {
                assertTrue(txEntry.hasContent());
                final Object logId = txEntry.getMetadata().get(LogTxMeta.LOG_ID);
                if (logId != null) {
                    assertTrue(logId instanceof String);
                    assertEquals(userLogName, logId);
                    userLogMeta.incrementAndGet();
                }
            } else if (withLogFailure) {
                assertTrue(status.isPrimarySuccess() || status == LogTxStatus.SECONDARY_FAILURE);
                if (status == LogTxStatus.SECONDARY_FAILURE) {
                    final TransactionLogHeader.SecondaryFailures secFail = txEntry.getContentAsSecondaryFailures(serializer);
                    assertTrue(secFail.failedIndexes.isEmpty());
                    assertTrue(secFail.userLogFailure);
                }
            } else {
                assertFalse(txEntry.hasContent());
                assertTrue(status.isSuccess());
            }
            txMsgCounter.get(txEntry.getStatus()).incrementAndGet();
        }

        @Override
        public void updateState() {
        }
    });
    final EnumMap<Change, AtomicInteger> userChangeCounter = new EnumMap<>(Change.class);
    for (final Change change : Change.values()) userChangeCounter.put(change, new AtomicInteger(0));
    final AtomicInteger userLogMsgCounter = new AtomicInteger(0);
    userLog.registerReader(startMarker, new MessageReader() {

        @Override
        public void read(Message message) {
            final Instant msgTime = message.getTimestamp();
            assertTrue(msgTime.isAfter(startTime) || msgTime.equals(startTime));
            assertNotNull(message.getSenderId());
            final StaticBuffer content = message.getContent();
            assertTrue(content != null && content.length() > 0);
            final TransactionLogHeader.Entry transactionEntry = TransactionLogHeader.parse(content, serializer, times);
            final Instant txTime = transactionEntry.getHeader().getTimestamp();
            assertTrue(txTime.isBefore(msgTime) || txTime.equals(msgTime));
            assertTrue(txTime.isAfter(startTime) || txTime.equals(msgTime));
            final long transactionId = transactionEntry.getHeader().getId();
            assertTrue(transactionId > 0);
            transactionEntry.getContentAsModifications(serializer).forEach(modification -> {
                assertTrue(modification.state == Change.ADDED || modification.state == Change.REMOVED);
                userChangeCounter.get(modification.state).incrementAndGet();
            });
            userLogMsgCounter.incrementAndGet();
        }

        @Override
        public void updateState() {
        }
    });
    Thread.sleep(4000);
    assertEquals(5, txMsgCounter.get(LogTxStatus.PRECOMMIT).get());
    assertEquals(4, txMsgCounter.get(LogTxStatus.PRIMARY_SUCCESS).get());
    assertEquals(1, txMsgCounter.get(LogTxStatus.COMPLETE_SUCCESS).get());
    assertEquals(4, userLogMeta.get());
    if (withLogFailure)
        assertEquals(4, txMsgCounter.get(LogTxStatus.SECONDARY_FAILURE).get());
    else
        assertEquals(4, txMsgCounter.get(LogTxStatus.SECONDARY_SUCCESS).get());
    // User-Log
    if (withLogFailure) {
        assertEquals(0, userLogMsgCounter.get());
    } else {
        assertEquals(4, userLogMsgCounter.get());
        assertEquals(7, userChangeCounter.get(Change.ADDED).get());
        assertEquals(4, userChangeCounter.get(Change.REMOVED).get());
    }
    clopen(option(VERBOSE_TX_RECOVERY), true);
    /*
        Transaction Recovery
         */
    final TransactionRecovery recovery = JanusGraphFactory.startTransactionRecovery(graph, startTime);
    /*
        Use user log processing framework
         */
    final AtomicInteger userLogCount = new AtomicInteger(0);
    final LogProcessorFramework userLogs = JanusGraphFactory.openTransactionLog(graph);
    userLogs.addLogProcessor(userLogName).setStartTime(startTime).setRetryAttempts(1).addProcessor((tx, txId, changes) -> {
        assertEquals(instanceId, txId.getInstanceId());
        // Just some reasonable upper bound
        assertTrue(txId.getTransactionId() > 0 && txId.getTransactionId() < 100);
        final Instant txTime = txId.getTransactionTime();
        // Times should be within a second
        assertTrue((txTime.isAfter(startTime) || txTime.equals(startTime)) && (txTime.isBefore(endTime) || txTime.equals(endTime)), String.format("tx timestamp %s not between start %s and end time %s", txTime, startTime, endTime));
        assertTrue(tx.containsRelationType("knows"));
        assertTrue(tx.containsRelationType("weight"));
        final EdgeLabel knows1 = tx.getEdgeLabel("knows");
        final PropertyKey weight1 = tx.getPropertyKey("weight");
        Instant txTimeMicro = txId.getTransactionTime();
        int txNo;
        if (txTimeMicro.isBefore(txTimes[1])) {
            txNo = 1;
            // v1 addition transaction
            assertEquals(1, Iterables.size(changes.getVertices(Change.ADDED)));
            assertEquals(0, Iterables.size(changes.getVertices(Change.REMOVED)));
            assertEquals(1, Iterables.size(changes.getVertices(Change.ANY)));
            assertEquals(2, Iterables.size(changes.getRelations(Change.ADDED)));
            assertEquals(1, Iterables.size(changes.getRelations(Change.ADDED, knows1)));
            assertEquals(1, Iterables.size(changes.getRelations(Change.ADDED, weight1)));
            assertEquals(2, Iterables.size(changes.getRelations(Change.ANY)));
            assertEquals(0, Iterables.size(changes.getRelations(Change.REMOVED)));
            final JanusGraphVertex v = Iterables.getOnlyElement(changes.getVertices(Change.ADDED));
            assertEquals(v1id, getId(v));
            final VertexProperty<Float> p = Iterables.getOnlyElement(changes.getProperties(v, Change.ADDED, "weight"));
            assertEquals(111.1, p.value().doubleValue(), 0.01);
            assertEquals(1, Iterables.size(changes.getEdges(v, Change.ADDED, OUT)));
            assertEquals(1, Iterables.size(changes.getEdges(v, Change.ADDED, BOTH)));
        } else if (txTimeMicro.isBefore(txTimes[2])) {
            txNo = 2;
            // v2 addition transaction
            assertEquals(1, Iterables.size(changes.getVertices(Change.ADDED)));
            assertEquals(0, Iterables.size(changes.getVertices(Change.REMOVED)));
            assertEquals(2, Iterables.size(changes.getVertices(Change.ANY)));
            assertEquals(2, Iterables.size(changes.getRelations(Change.ADDED)));
            assertEquals(1, Iterables.size(changes.getRelations(Change.ADDED, knows1)));
            assertEquals(1, Iterables.size(changes.getRelations(Change.ADDED, weight1)));
            assertEquals(2, Iterables.size(changes.getRelations(Change.ANY)));
            assertEquals(0, Iterables.size(changes.getRelations(Change.REMOVED)));
            final JanusGraphVertex v = Iterables.getOnlyElement(changes.getVertices(Change.ADDED));
            assertEquals(v2id, getId(v));
            final VertexProperty<Float> p = Iterables.getOnlyElement(changes.getProperties(v, Change.ADDED, "weight"));
            assertEquals(222.2, p.value().doubleValue(), 0.01);
            assertEquals(1, Iterables.size(changes.getEdges(v, Change.ADDED, OUT)));
            assertEquals(1, Iterables.size(changes.getEdges(v, Change.ADDED, BOTH)));
        } else if (txTimeMicro.isBefore(txTimes[3])) {
            txNo = 3;
            // v2 deletion transaction
            assertEquals(0, Iterables.size(changes.getVertices(Change.ADDED)));
            assertEquals(1, Iterables.size(changes.getVertices(Change.REMOVED)));
            assertEquals(2, Iterables.size(changes.getVertices(Change.ANY)));
            assertEquals(0, Iterables.size(changes.getRelations(Change.ADDED)));
            assertEquals(2, Iterables.size(changes.getRelations(Change.REMOVED)));
            assertEquals(1, Iterables.size(changes.getRelations(Change.REMOVED, knows1)));
            assertEquals(1, Iterables.size(changes.getRelations(Change.REMOVED, weight1)));
            assertEquals(2, Iterables.size(changes.getRelations(Change.ANY)));
            final JanusGraphVertex v = Iterables.getOnlyElement(changes.getVertices(Change.REMOVED));
            assertEquals(v2id, getId(v));
            final VertexProperty<Float> p = Iterables.getOnlyElement(changes.getProperties(v, Change.REMOVED, "weight"));
            assertEquals(222.2, p.value().doubleValue(), 0.01);
            assertEquals(1, Iterables.size(changes.getEdges(v, Change.REMOVED, OUT)));
            assertEquals(0, Iterables.size(changes.getEdges(v, Change.ADDED, BOTH)));
        } else {
            txNo = 4;
            // v1 edge modification
            assertEquals(0, Iterables.size(changes.getVertices(Change.ADDED)));
            assertEquals(0, Iterables.size(changes.getVertices(Change.REMOVED)));
            assertEquals(1, Iterables.size(changes.getVertices(Change.ANY)));
            assertEquals(1, Iterables.size(changes.getRelations(Change.ADDED)));
            assertEquals(1, Iterables.size(changes.getRelations(Change.REMOVED)));
            assertEquals(1, Iterables.size(changes.getRelations(Change.REMOVED, knows1)));
            assertEquals(2, Iterables.size(changes.getRelations(Change.ANY)));
            final JanusGraphVertex v = Iterables.getOnlyElement(changes.getVertices(Change.ANY));
            assertEquals(v1id, getId(v));
            JanusGraphEdge e1 = Iterables.getOnlyElement(changes.getEdges(v, Change.REMOVED, Direction.OUT, "knows"));
            assertFalse(e1.property("weight").isPresent());
            assertEquals(v, e1.vertex(Direction.IN));
            e1 = Iterables.getOnlyElement(changes.getEdges(v, Change.ADDED, Direction.OUT, "knows"));
            assertEquals(44.4, e1.<Float>value("weight").doubleValue(), 0.01);
            assertEquals(v, e1.vertex(Direction.IN));
        }
        // See only current state of graph in transaction
        final JanusGraphVertex v11 = getV(tx, v1id);
        assertNotNull(v11);
        assertTrue(v11.isLoaded());
        if (txNo != 2) {
            // In the transaction that adds v2, v2 will be considered "loaded"
            assertMissing(tx, v2id);
        // assertTrue(txNo + " - " + v2, v2 == null || v2.isRemoved());
        }
        assertEquals(111.1, v11.<Float>value("weight").doubleValue(), 0.01);
        assertCount(1, v11.query().direction(Direction.OUT).edges());
        userLogCount.incrementAndGet();
    }).build();
    // wait
    Thread.sleep(22000L);
    recovery.shutdown();
    long[] recoveryStats = ((StandardTransactionLogProcessor) recovery).getStatistics();
    if (withLogFailure) {
        assertEquals(1, recoveryStats[0]);
        assertEquals(4, recoveryStats[1]);
    } else {
        assertEquals(5, recoveryStats[0]);
        assertEquals(0, recoveryStats[1]);
    }
    userLogs.removeLogProcessor(userLogName);
    userLogs.shutdown();
    assertEquals(4, userLogCount.get());
}

Example 10 with Property

use of org.apache.tinkerpop.gremlin.structure.Property in project janusgraph by JanusGraph.

the class JanusGraphTest method testMultivaluedVertexProperty.

/**
 * Tests multi-valued properties with special focus on indexing and incident unidirectional edges
 * which is not tested in {@link #testSchemaTypes()}
 * <p>
 * --&gt; TODO: split and move this into other test cases: ordering to query, indexing to index
 */
@Test
public <V> void testMultivaluedVertexProperty() {
    /*
         * Constant test data
         *
         * The values list below must have at least two elements. The string
         * literals were chosen arbitrarily and have no special significance.
         */
    final String foo = "foo", bar = "bar", weight = "weight";
    final List<String> values = ImmutableList.of("four", "score", "and", "seven");
    assertTrue(2 <= values.size(), "Values list must have multiple elements for this test to make sense");
    // Create property with name pname and a vertex
    PropertyKey w = makeKey(weight, Integer.class);
    PropertyKey f = ((StandardPropertyKeyMaker) mgmt.makePropertyKey(foo)).dataType(String.class).cardinality(Cardinality.LIST).sortKey(w).sortOrder(Order.DESC).make();
    mgmt.buildIndex(foo, Vertex.class).addKey(f).buildCompositeIndex();
    PropertyKey b = mgmt.makePropertyKey(bar).dataType(String.class).cardinality(Cardinality.LIST).make();
    mgmt.buildIndex(bar, Vertex.class).addKey(b).buildCompositeIndex();
    finishSchema();
    JanusGraphVertex v = tx.addVertex();
    // Insert prop values
    int i = 0;
    for (String s : values) {
        v.property(foo, s, weight, ++i);
        v.property(bar, s, weight, i);
    }
    // Verify correct number of properties
    assertCount(values.size(), v.properties(foo));
    assertCount(values.size(), v.properties(bar));
    // Verify order
    for (String prop : new String[] { foo, bar }) {
        int sum = 0;
        int index = values.size();
        for (Object o : v.query().labels(foo).properties()) {
            JanusGraphVertexProperty<String> p = (JanusGraphVertexProperty<String>) o;
            assertTrue(values.contains(p.value()));
            int weightAsInteger = p.value(weight);
            sum += weightAsInteger;
            if (prop.equals(foo))
                assertEquals(index, weightAsInteger);
            index--;
        }
        assertEquals(values.size() * (values.size() + 1) / 2, sum);
    }
    assertCount(1, tx.query().has(foo, values.get(1)).vertices());
    assertCount(1, tx.query().has(foo, values.get(3)).vertices());
    assertCount(1, tx.query().has(bar, values.get(1)).vertices());
    assertCount(1, tx.query().has(bar, values.get(3)).vertices());
    // Check that removing properties works
    asStream(v.properties(foo)).forEach(Property::remove);
    // Check that the properties were actually deleted from v
    assertEmpty(v.properties(foo));
    // Reopen database
    clopen();
    assertCount(0, tx.query().has(foo, values.get(1)).vertices());
    assertCount(0, tx.query().has(foo, values.get(3)).vertices());
    assertCount(1, tx.query().has(bar, values.get(1)).vertices());
    assertCount(1, tx.query().has(bar, values.get(3)).vertices());
    // Retrieve and check our test vertex
    v = getV(tx, v);
    assertEmpty(v.properties(foo));
    assertCount(values.size(), v.properties(bar));
    // Reinsert prop values
    for (String s : values) {
        v.property(foo, s);
    }
    assertCount(values.size(), v.properties(foo));
    // Check that removing properties works
    asStream(v.properties(foo)).forEach(Property::remove);
    // Check that the properties were actually deleted from v
    assertEmpty(v.properties(foo));
}