Ejemplo n.º 1
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void relationshipIdReusableOnlyAfterTransactionFinish()
        public virtual void RelationshipIdReusableOnlyAfterTransactionFinish()
        {
            Label testLabel      = Label.label("testLabel");
            long  relationshipId = CreateRelationship(testLabel);

//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.storageengine.impl.recordstorage.id.IdController idMaintenanceController = getIdMaintenanceController();
            IdController idMaintenanceController = IdMaintenanceController;

            using (Transaction transaction = DbRule.beginTx(), ResourceIterator <Node> nodes = DbRule.findNodes(testLabel))
            {
                IList <Node> nodeList = Iterators.asList(nodes);
                foreach (Node node in nodeList)
                {
                    IEnumerable <Relationship> relationships = node.GetRelationships(TestRelationshipType.Marker);
                    foreach (Relationship relationship in relationships)
                    {
                        relationship.Delete();
                    }
                }

                idMaintenanceController.Maintenance();

                Node node1 = DbRule.createNode(testLabel);
                Node node2 = DbRule.createNode(testLabel);

                Relationship relationshipTo = node1.CreateRelationshipTo(node2, TestRelationshipType.Marker);

                assertNotEquals("Relationships should have different ids.", relationshipId, relationshipTo.Id);
                transaction.Success();
            }
        }
Ejemplo n.º 2
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void relationshipIdReused() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void RelationshipIdReused()
        {
            Label cityLabel = Label.label("city");
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.graphdb.Label bandLabel = org.neo4j.graphdb.Label.label("band");
            Label bandLabel = Label.label("band");

            CreateBands(bandLabel);
            CreateCities(cityLabel);

            AtomicBoolean        stopFlag             = new AtomicBoolean(false);
            RelationshipsCreator relationshipsCreator = new RelationshipsCreator(this, stopFlag, bandLabel, cityLabel);
            RelationshipRemover  relationshipRemover  = new RelationshipRemover(this, bandLabel, cityLabel, stopFlag);
            IdController         idController         = EmbeddedDatabase.DependencyResolver.resolveDependency(typeof(IdController));

            assertNotNull("idController was null for some reason", idController);

//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: java.util.List<java.util.concurrent.Future<?>> futures = new java.util.ArrayList<>();
            IList <Future <object> > futures = new List <Future <object> >();

            futures.Add(_executorService.submit(relationshipRemover));
            futures.Add(_executorService.submit(relationshipsCreator));
            futures.Add(StartRelationshipTypesCalculator(bandLabel, stopFlag));
            futures.Add(StartRelationshipCalculator(bandLabel, stopFlag));

            long startTime = currentTimeMillis();
            long currentTime;
            long createdRelationships;
            long removedRelationships;

            do
            {
                TimeUnit.MILLISECONDS.sleep(500);
                idController.Maintenance();                         // just to make sure maintenance happens
                currentTime          = currentTimeMillis();
                createdRelationships = relationshipsCreator.CreatedRelationships;
                removedRelationships = relationshipRemover.RemovedRelationships;
            } while ((currentTime - startTime) < 5_000 || createdRelationships < 1_000 || removedRelationships < 100);
            stopFlag.set(true);
            _executorService.shutdown();
            CompleteFutures(futures);

            long highestPossibleIdInUse = HighestUsedIdForRelationships;

            assertThat("Number of created relationships should be higher then highest possible id, since those are " + "reused.", relationshipsCreator.CreatedRelationships, Matchers.greaterThan(highestPossibleIdInUse));
        }
Ejemplo n.º 3
0
 private static void MaybeRunIdMaintenance(GraphDatabaseService db, int iteration)
 {
     if (iteration % 100 == 0 && ThreadLocalRandom.current().nextBoolean())
     {
         DependencyResolver resolver     = DependencyResolver(db);
         IdController       idController = resolver.ResolveDependency(typeof(IdController));
         if (idController != null)
         {
             idController.Maintenance();
         }
         else
         {
             Console.WriteLine("Id controller is null. Dumping resolver content.");
             Console.WriteLine("Resolver: " + ReflectionToStringBuilder.ToString(resolver));
             throw new System.InvalidOperationException("Id controller not found");
         }
     }
 }
Ejemplo n.º 4
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void sequentialOperationRelationshipIdReuse()
        public virtual void SequentialOperationRelationshipIdReuse()
        {
            Label marker = Label.label("marker");

            long relationship1 = CreateRelationship(marker);
            long relationship2 = CreateRelationship(marker);
            long relationship3 = CreateRelationship(marker);

            assertEquals("Ids should be sequential", relationship1 + 1, relationship2);
            assertEquals("Ids should be sequential", relationship2 + 1, relationship3);

//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.storageengine.impl.recordstorage.id.IdController idMaintenanceController = getIdMaintenanceController();
            IdController idMaintenanceController = IdMaintenanceController;

            DeleteRelationshipByLabelAndRelationshipType(marker);

            idMaintenanceController.Maintenance();

            assertEquals("Relationships have reused id", relationship1, CreateRelationship(marker));
            assertEquals("Relationships have reused id", relationship2, CreateRelationship(marker));
            assertEquals("Relationships have reused id", relationship3, CreateRelationship(marker));
        }
Ejemplo n.º 5
0
        private void IdMaintenanceOnLeader(CoreClusterMember leader)
        {
            IdController idController = ResolveDependency(leader, typeof(IdController));

            idController.Maintenance();
        }