Example #1
0
        public void CanUseServerPrefix()
        {
            using (var store = NewDocumentStore())
            {
                store.DatabaseCommands.Put(
                    "Raven/Hilo/Users", null,
                    new RavenJObject
                {
                    { "Max", 32 }
                },
                    new RavenJObject());

                store.DatabaseCommands.Put(
                    "Raven/ServerPrefixForHilo", null,
                    new RavenJObject
                {
                    { "ServerPrefix", "2," }
                },
                    new RavenJObject());

                var hiLoKeyGenerator = new HiLoKeyGenerator("Users", 32);

                var generateDocumentKey = hiLoKeyGenerator.GenerateDocumentKey(store.DatabaseCommands, new DocumentConvention(), new User());
                Assert.Equal("Users/2,33", generateDocumentKey);
            }
        }
Example #2
0
 public AbsoluteOrderingRavenPersistenceEngine(IDocumentStore store, ISerialize serializer, bool consistentQueries)
     : base(store, serializer, consistentQueries)
 {
     _store      = store;
     _serializer = serializer;
     _hiLoGen    = new HiLoKeyGenerator("", 1000);
 }
Example #3
0
        public void ShouldResolveConflictWithHighestNumber()
        {
            using (var server = GetNewServer())
                using (var store = new DocumentStore
                {
                    Url = "http://*****:*****@Http-Status-Code"
                                ,
                                409
                            },
                            {
                                "@Http-Status-Description"
                                , "Conflicted doc"
                            }
                        });
                    });

                    var hiLoKeyGenerator = new HiLoKeyGenerator("Users", 32);
                    var nextId           = hiLoKeyGenerator.NextId(store.DatabaseCommands);
                    Assert.Equal(65, nextId);
                }
        }
Example #4
0
 public void HiLoKeyGenerator_works_without_aggressive_caching()
 {
     using (var store = NewDocumentStore())
     {
         var hilo = new HiLoKeyGenerator("test", 1);
         Assert.Equal(1L, hilo.NextId(store.DatabaseCommands));
         Assert.Equal(2L, hilo.NextId(store.DatabaseCommands));
     }
 }
Example #5
0
 public void FromScratch()
 {
     using (var store = NewDocumentStore())
     {
         var generator = new HiLoKeyGenerator(store.DatabaseCommands, "users", 3);
         for (long i = 0; i < 50; i++)
         {
             Assert.Equal(i + 1, generator.NextId());
         }
     }
 }
 public void SequentialGeneration_NoClashesOrGaps()
 {
     using (GetNewServer())
         using (var store = new DocumentStore
         {
             Url = "http://localhost:8079"
         }.Initialize())
         {
             var gen = new HiLoKeyGenerator("When_generating_lots_of_keys_concurrently_there_are_no_clashes", 2);
             Test(() => gen.NextId(store.DatabaseCommands), 1, GeneratedIdCount);
         }
 }
Example #7
0
 public void HiLoKeyGenerator_hangs_when_aggressive_caching_enabled()
 {
     using (var store = NewDocumentStore())
     {
         using (store.AggressivelyCache())
         {
             var hilo = new HiLoKeyGenerator("test", 1);
             Assert.Equal(1L, hilo.NextId(store.DatabaseCommands));
             Assert.Equal(2L, hilo.NextId(store.DatabaseCommands));
         }
     }
 }
Example #8
0
 public void ConcurrentWillNoGenerateConflicts()
 {
     using (var store = NewDocumentStore())
     {
         var generator1 = new HiLoKeyGenerator(store.DatabaseCommands, "users", 3);
         var generator2 = new HiLoKeyGenerator(store.DatabaseCommands, "users", 3);
         var dic        = new Dictionary <long, int>();
         for (long i = 0; i < 50; i++)
         {
             dic.Add(generator1.NextId(), 1);
             dic.Add(generator2.NextId(), 1);
         }
     }
 }
Example #9
0
        public void CanUpgradeFromOldHiLo()
        {
            using (var store = NewDocumentStore())
            {
                store.DatabaseCommands.Put("Raven/Hilo/users", null,
                                           RavenJObject.FromObject(new{ ServerHi = 2 }),
                                           new RavenJObject());

                var generator = new HiLoKeyGenerator(store.DatabaseCommands, "users", 1024);
                for (long i = 0; i < 50; i++)
                {
                    Assert.Equal((i + 1) + 1024, generator.NextId());
                }
            }
        }
Example #10
0
 public void HiLoKeyGenerator_hangs_when_aggressive_caching_enabled_on_other_documentstore()
 {
     using (var server = GetNewServer(port: 8079))
         using (var otherServer = GetNewServer(port: 8078))
             using (var store = NewRemoteDocumentStore(ravenDbServer: server))
                 using (var otherStore = NewRemoteDocumentStore(ravenDbServer: otherServer))
                 {
                     using (otherStore.AggressivelyCache()) // Note that we don't even use the other store, we just call AggressivelyCache on it
                     {
                         var hilo = new HiLoKeyGenerator("test", 1);
                         Assert.Equal(1L, hilo.NextId(store.DatabaseCommands));
                         Assert.Equal(2L, hilo.NextId(store.DatabaseCommands));
                     }
                 }
 }
Example #11
0
        public void HiLo_Modified_InReplicated_Scenario()
        {
            const string key = "Raven/Hilo/managers";

            var store1 = CreateStore(configureStore: store => store.Conventions.FailoverBehavior = FailoverBehavior.ReadFromAllServers);
            var store2 = CreateStore();

            ((DocumentStore)store1).GetReplicationInformerForDatabase()
            .UpdateReplicationInformationIfNeeded((AsyncServerClient)store1.AsyncDatabaseCommands)
            .Wait();
            ((DocumentStore)store2).GetReplicationInformerForDatabase()
            .UpdateReplicationInformationIfNeeded((AsyncServerClient)store2.AsyncDatabaseCommands)
            .Wait();

            TellFirstInstanceToReplicateToSecondInstance();
            TellSecondInstanceToReplicateToFirstInstance();

            var hiLoKeyGenerator = new HiLoKeyGenerator("managers", 2)
            {
                DisableCapacityChanges = true
            };

            for (long i = 0; i < 4; i++)
            {
                Assert.Equal(i + 1, hiLoKeyGenerator.NextId(store1.DatabaseCommands));
            }

            WaitForReplication(store2, session =>
            {
                var load = session.Load <dynamic>(key);
                return(load != null && load.Max == 4);
            });

            var jsonDocument = store2.DatabaseCommands.Get(key);

            store2.DatabaseCommands.Put(key, null, new RavenJObject
            {
                { "Max", 49 }
            }, jsonDocument.Metadata);

            WaitForReplication(store1, session => session.Load <dynamic>(key).Max == 49);

            for (long i = 0; i < 4; i++)
            {
                var nextId = hiLoKeyGenerator.NextId(store1.DatabaseCommands);
                Assert.Equal(i + 50, nextId);
            }
        }
Example #12
0
        public void HiloCannotGoDown()
        {
            using (var store = NewDocumentStore())
            {
                store.DatabaseCommands.Put(
                    "Raven/Hilo/Users", null,
                    new RavenJObject
                {
                    { "Max", 32 }
                },
                    new RavenJObject());

                var hiLoKeyGenerator = new HiLoKeyGenerator("Users", 32);

                var ids = new HashSet <long> {
                    hiLoKeyGenerator.NextId(store.DatabaseCommands)
                };

                store.DatabaseCommands.Put(
                    "Raven/Hilo/Users", null,
                    new RavenJObject
                {
                    { "Max", 12 }
                },
                    new RavenJObject());


                for (int i = 0; i < 128; i++)
                {
                    Assert.True(ids.Add(hiLoKeyGenerator.NextId(store.DatabaseCommands)), "Failed at " + i);
                }

                var list = ids.GroupBy(x => x).Select(g => new
                {
                    g.Key,
                    Count = g.Count()
                }).Where(x => x.Count > 1).ToList();

                Assert.Empty(list);
            }
        }
 public CheckpointNumberIncrementListener(IDocumentStore store)
 {
     _store = store;
     // http://stackoverflow.com/a/12687849/1010
     _generator = new HiLoKeyGenerator("CheckpointNumber", 1);
 }