public bool Initialize()
{
lock (this)
{
_timeControl = new TimeControl();
_timeControl.CanStepForward = true;
_timeControl.CanStepBack = false;
_timeControl.CanRestart = false;
_timeControl.Period = _period;
_timeControl.TotalStepsValueUpdateEvent += delegate(ITimeControl control)
{
if (_sourceDataBarProvider == null)
{
return 0;
}
return _sourceDataBarProvider.BarCount;
};
_timeControl.CurrentStepChangedEvent += delegate(ITimeControl control)
{
_step = _timeControl.CurrentStep.Value;
};
_timeControl.StepForwardEvent += delegate(ITimeControl control, int steps)
{
if (_sourceDataBarProvider == null)
{
SystemMonitor.Warning("Current data bar provider not assigned.");
return true;
}
lock (this)
{
bool step = (_sourceDataBarProvider.BarCount > _timeControl.CurrentStep.Value);
if (step == false || steps == 0)
{
return false;
}
}
List<DataBar> newBars = new List<DataBar>();
lock (_sourceDataBarProvider)
{
ReadOnlyCollection<DataBar> barsUnsafe = _sourceDataBarProvider.BarsUnsafe;
for (int i = 0; i < steps && _timeControl.CurrentStep.Value + i < barsUnsafe.Count; i++)
{
newBars.Add(barsUnsafe[_timeControl.CurrentStep.Value + i]);
}
}
if (newBars.Count > 0)
{// Feed the update steps one by one.
foreach (DataBar bar in newBars)
{
if (DataHistoryUpdateEvent != null)
{// This will insert those bars in the surfaceKeeper.
DataHistoryUpdateEvent(this, _sessionInfo, new DataHistoryUpdate(_timeControl.Period.Value, new DataBar[] { bar }));
}
if (QuoteUpdateEvent != null)
{
QuoteUpdateEvent(this, _sessionInfo, new Quote(bar, _spreadPoints * _sessionInfo.DecimalIncrement));
}
}
}
//if (DataHistoryUpdateEvent != null)
//{// This will insert those bars in the surfaceKeeper.
// DataHistoryUpdateEvent(this, _sessionInfo, new DataHistoryUpdate(_timeControl.Period.Value, bars));
//}
//if (QuoteUpdateEvent != null)
//{
// QuoteUpdateEvent(this, _sessionInfo, new Quote(bars[bars.Count - 1], _spreadPoints * _sessionInfo.DecimalIncrement));
//}
return true;
};
_timeControl.StepToEvent += delegate(ITimeControl control, int index)
{
if (_sourceDataBarProvider == null)
{
SystemMonitor.OperationWarning("Current data bar provider not assigned.");
return true;
}
List<DataBar> newBars = new List<DataBar>();
lock (this)
{
if (index <= _timeControl.CurrentStep || index > _sourceDataBarProvider.BarCount)
{// Step invalid.
SystemMonitor.OperationWarning(string.Format("Step to invalid [{0} out of {1}, current {2}].", index.ToString(), _sourceDataBarProvider.BarCount.ToString(), _timeControl.CurrentStep.Value));
return false;
}
}
lock (_sourceDataBarProvider)
{
ReadOnlyCollection<DataBar> barsUnsafe = _sourceDataBarProvider.BarsUnsafe;
for (int i = _timeControl.CurrentStep.Value; i < index; i++)
{
newBars.Add(barsUnsafe[i]);
}
}
if (newBars.Count > 0)
{// Feed the update steps one by one.
foreach (DataBar bar in newBars)
{
if (DataHistoryUpdateEvent != null)
{// This will insert those bars in the surfaceKeeper.
DataHistoryUpdateEvent(this, _sessionInfo, new DataHistoryUpdate(_timeControl.Period.Value, new DataBar[] { bar }));
}
if (QuoteUpdateEvent != null)
{
QuoteUpdateEvent(this, _sessionInfo, new Quote(bar, _spreadPoints * _sessionInfo.DecimalIncrement));
}
}
}
return true;
};
//_sourceDataBarProvider.DataBarHistoryUpdateEvent += new DataBarHistoryUpdateDelegate(_sourceDataBarProvider_DataBarHistoryUpdateEvent);
}
RestoreLastStep();
return true;
}
/// <summary>
/// One time init by passing references essential for operation.
/// </summary>
public bool SetInitialParameters(ISourceManager manager, ISourceDataDelivery dataDelivery)
{
_manager = manager;
_dataDelivery = dataDelivery;
_account.SetInitialParameters(_manager, this, _dataDelivery);
_tradeEntities.SetInitialParameters(_manager, this, _dataDelivery);
_timeControl = new TimeControl();
_timeControl.CanStepBack = false;
_timeControl.CanStepForward = true;
_timeControl.CanRestart = false;
_timeControl.TotalStepsCount = int.MaxValue;
ChangeOperationalState(OperationalStateEnum.Initializing);
return true;
}