private void Init()
{
_maxDispatchedCheckpoint = 0;
DumpProjections();
TenantContext.Enter(_config.TenantId);
_housekeeper.Init();
_eventstore = Wireup
.Init()
.LogTo(t => new NEventStoreLog4NetLogger(LoggerFactory.Create(t)))
.UsingMongoPersistence(() => _config.EventStoreConnectionString, new DocumentObjectSerializer())
.InitializeStorageEngine()
.Build();
ConfigureProjections();
// cleanup
_housekeeper.RemoveAll(_eventstore.Advanced);
var allSlots = _projectionsBySlot.Keys.ToArray();
var allClients = new List <ICommitPollingClient> ();
//recreate all polling clients.
foreach (var bucket in _config.BucketInfo)
{
var client = _pollingClientFactory.Create(_eventstore.Advanced, "bucket: " + String.Join(",", bucket.Slots));
allClients.Add(client);
_bucketToClient.Add(bucket, client);
}
_clients = allClients.ToArray();
foreach (var slotName in allSlots)
{
MetricsHelper.CreateMeterForDispatcherCountSlot(slotName);
var startCheckpoint = GetStartCheckpointForSlot(slotName);
Logger.InfoFormat("Slot {0} starts from {1}", slotName, startCheckpoint);
var name = slotName;
//find right consumer
var slotBucket = _config.BucketInfo.SingleOrDefault(b =>
b.Slots.Any(s => s.Equals(slotName, StringComparison.OrdinalIgnoreCase))) ??
_config.BucketInfo.Single(b => b.Slots[0] == "*");
var client = _bucketToClient[slotBucket];
client.AddConsumer(commit => DispatchCommit(commit, name, startCheckpoint));
}
MetricsHelper.SetProjectionEngineCurrentDispatchCount(() => _countOfConcurrentDispatchingCommit);
}
private async Task InitAsync()
{
_maxDispatchedCheckpoint = 0;
DumpProjections();
TenantContext.Enter(_config.TenantId);
await _housekeeper.InitAsync().ConfigureAwait(false);
await ConfigureProjectionsAsync().ConfigureAwait(false);
// cleanup
await _housekeeper.RemoveAllAsync(_persistence).ConfigureAwait(false);
var allSlots = _projectionsBySlot.Keys.ToArray();
var allClients = new List <ICommitPollingClient>();
//recreate all polling clients.
foreach (var bucket in _config.BucketInfo)
{
string pollerId = "bucket: " + String.Join(",", bucket.Slots);
var client = _pollingClientFactory.Create(_persistence, pollerId);
allClients.Add(client);
_bucketToClient.Add(bucket, client);
client.Configure(GetStartGlobalCheckpoint(bucket.Slots), 4000);
}
_clients = allClients.ToArray();
foreach (var slotName in allSlots)
{
KernelMetricsHelper.CreateMeterForDispatcherCountSlot(slotName);
var startCheckpoint = GetStartCheckpointForSlot(slotName);
_logger.InfoFormat("Slot {0} starts from {1}", slotName, startCheckpoint);
var name = slotName;
//find right consumer
var slotBucket = _config.BucketInfo.SingleOrDefault(b =>
b.Slots.Any(s => s.Equals(slotName, StringComparison.OrdinalIgnoreCase))) ??
_config.BucketInfo.Single(b => b.Slots[0] == "*");
var client = _bucketToClient[slotBucket];
client.AddConsumer($"SLOT: {slotName}", commit => DispatchCommitAsync(commit, name, startCheckpoint));
}
Initialized = true;
KernelMetricsHelper.SetProjectionEngineCurrentDispatchCount(() => _countOfConcurrentDispatchingCommit);
}
public ProcessManagerDispatcher(
ProcessManagerConfiguration configuration,
IMongoDatabase supportDatabase,
ICommitPollingClientFactory pollingClientFactory,
IPersistence persistence,
ICommandBus commandBus,
IMessageBus messageBus)
{
_configuration = configuration;
_commandBus = commandBus;
_checkpointCollection = supportDatabase.GetCollection <ProcessManagerCheckpoint>("sysPmCheckpoints");
_currentCheckpoint = _checkpointCollection.FindOneById(ProcessManagerId)
?? new ProcessManagerCheckpoint()
{
Id = ProcessManagerId, LastDispatchedPosition = 0
};
Logger = NullLogger.Instance;
_client = pollingClientFactory.Create(persistence, "ProcessManager");
_client.AddConsumer("ProcessManager", Dispatch);
_messageBus = messageBus;
}