internal override void Validate(ValidationReason validationReason)
{
lock (this.thisLock)
{
this.CurrentState = this.CurrentState.Validate(validationReason);
}
}
private void ValidationCancelled()
{
lock (this.thisLock)
{
this.CurrentState = this.CurrentState.ValidationCancelled();
}
}
private void ValidationCompleted(TValidationResult result)
{
lock (this.thisLock)
{
this.CurrentState = this.CurrentState.ValidationCompleted(result);
}
}
internal override void ActivateValidation()
{
lock (this.thisLock)
{
this.deactivationReferenceCount--;
Fx.Assert(this.deactivationReferenceCount >= 0, "It should never happen -- deactivationReferenceCount < 0.");
if (this.deactivationReferenceCount == 0)
{
this.CurrentState = this.CurrentState.ActivateValidation();
}
}
}
internal BackgroundValidationSynchronizer(TaskDispatcher dispatcher, Func <ValidationReason, CancellationToken, TValidationResult> validationWork, Action <TValidationResult> updateWork)
{
Fx.Assert(validationWork != null, "validationWork should not be null and is ensured by caller.");
Fx.Assert(updateWork != null, "updateWork should not be null and is ensured by caller.");
this.Idle = new IdleState(this);
this.Validating = new ValidatingState(this);
this.CancellingForNextValidation = new CancellingForNextValidationState(this);
this.CancellingForDeactivation = new CancellingForDeactivationState(this);
this.ValidationDeactivated = new ValidationDeactivatedState(this);
this.dispatcher = dispatcher;
this.validationWork = validationWork;
this.updateWork = updateWork;
this.currentState = this.Idle;
}
internal override void DeactivateValidation()
{
lock (this.thisLock)
{
Fx.Assert(this.deactivationReferenceCount >= 0, "It should never happen -- deactivationReferenceCount < 0.");
if (this.deactivationReferenceCount == 0)
{
this.CurrentState = this.CurrentState.DeactivateValidation();
if (this.CurrentState != this.ValidationDeactivated)
{
Monitor.Wait(this.thisLock);
}
}
this.deactivationReferenceCount++;
}
}
