public void Initialize()
{
if (Interlocked.Exchange(ref _running, 1) != 0)
{
throw new InvalidOperationException("Thread is already running");
}
var subEvents = _subscribeEventStore.Get();
long utcTimestamp = 0;
if (subEvents.Count() > 0)
{
utcTimestamp = subEvents.Min(a => a.UTCTimestamp);
}
bool isUpdate = true;
_logger.LogInformation("系统正在重建事件中");
do
{
var evts = _eventStore.Take(number, utcTimestamp);
_logger.LogInformation($"重建事件 [{evts.Count}] 条");
isUpdate = evts.Count > 0;
if (!isUpdate)
{
break;
}
_eventBus.Publish(evts.ToArray());
utcTimestamp = evts.Max(a => a.UTCTimestamp);
} while (isUpdate);
_logger.LogInformation($"完成事件重建");
}
public RingEventSnapshootHandler(
IAssemblyProvider assemblyProvider
, ISnapshootStoreFactory snapshootStoreFactory
, IEventRebuildHandler eventRebuildHandler
, ISubscribeEventStore subscribeEventStore
, ISnapshootCache snapshootCache
, ILoggerFactory loggerFactory
, IEventHandleSubject eventHandleSubject
, int maxHandleCount)
: base(maxHandleCount)
{
this._assemblyProvider = assemblyProvider;
_snapshootStoreFactory = snapshootStoreFactory;
_eventRebuildHandler = eventRebuildHandler;
_subscribeEventStore = subscribeEventStore;
_snapshootCache = snapshootCache;
_logger = loggerFactory.CreateLogger <RingEventSnapshootHandler>();
_eventHandleSubject = eventHandleSubject;
this.Initialize(assemblyProvider.Assemblys);
var subscribeEvent = _subscribeEventStore.Get(_defaultSubscribeId);
if (subscribeEvent != null)
{
_subscribeEvent = subscribeEvent;
}
}
public RingEventBusinessHandler(
IEventRegister eventRegister
, IEventHandlerFactory eventHandlerFactory
, ISubscribeEventStore subscribeEventStore
, ILoggerFactory loggerFactory
, IEventHandleSubject eventHandleSubject
, int maxHandleCount)
: base(maxHandleCount)
{
_eventRegister = eventRegister;
_eventHandlerFactory = eventHandlerFactory;
_subscribeEventStore = subscribeEventStore;
_logger = loggerFactory.CreateLogger <RingEventBusinessHandler>();
_eventHandleSubject = eventHandleSubject;
var subscribeEvent = _subscribeEventStore.Get(_defaultSubscribeId);
if (subscribeEvent != null)
{
_subscribeEvent = subscribeEvent;
}
}
