private void HandleEvent(IEvent @event)
{
var eventHandler = GrainInternalEventHandlerProvider.GetInternalEventHandler(this.GetType(), @event.GetType());
if (eventHandler == null)
{
throw new Exception(string.Format("Could not find event handler for [{0}] of [{1}]", @event.GetType().FullName, this.GetType().FullName));
}
eventHandler.Invoke(this, @event);
if (this.State.Version + 1 != @event.Version)
{
throw new Exception(string.Format("inlidate event apply,the event id is {0},", @event.GetType().FullName, this.GetType().FullName));
}
//event id is the state's next version number
this.State.Version = @event.Version;
}
public EventSourcingGrain()
{
var assembly = this.GetType().Assembly;
if (!registerAssembly.Contains(assembly.FullName))
{
lock (lockObj)
{
if (!registerAssembly.Contains(assembly.FullName))
{
GrainInternalEventHandlerProvider.RegisterInternalEventHandler(assembly);
EventNameTypeMapping.RegisterEventType(assembly);
registerAssembly.Add(assembly.FullName);
}
}
}
}
