private GrainTimer(OrleansTaskScheduler scheduler, IActivationData activationData, ILogger logger, Func <object, Task> asyncCallback, object state, TimeSpan dueTime, TimeSpan period, string name)
{
var ctxt = RuntimeContext.CurrentGrainContext;
scheduler.CheckSchedulingContextValidity(ctxt);
this.scheduler = scheduler;
this.activationData = activationData;
this.logger = logger;
this.Name = name;
this.asyncCallback = asyncCallback;
timer = new AsyncTaskSafeTimer(logger,
stateObj => TimerTick(stateObj, ctxt),
state);
this.dueTime = dueTime;
timerFrequency = period;
previousTickTime = DateTime.UtcNow;
totalNumTicks = 0;
}