//
#endregion//Properties
#region Public Initialization Methods
// *****************************************************************
// **** Public Initialization ****
// *****************************************************************
//
//
// ****************************************
// **** Setup Initialize() ****
// ****************************************
/// <summary>
/// The Strategy has been created, and now we add its engines.
/// When we call Engine.SetupInitialize() the engine can make NO assumptions
/// about the Strategy, except that it and its StrategyHub exists.
/// Other Engines may or may not exist.
/// What is allowed is that Engines can spawn other Engines and add them
/// to the *end* of the Strategy.m_Engines[] list freely.
/// </summary>
public void SetupInitialize(IEngineHub myHub)
{
StrategyHub = (StrategyHub)myHub; // store ptr to new parent hub.
// First initialize each of my engines.
int id = 0;
while (id < m_Engines.Count) // Loop using while so that Engines can ADD new engines to end of list.
{ // Adding new engines spontaneously is allowed here only.
Engine engine = m_Engines[id];
engine.SetupInitialize(StrategyHub, this, id); // Tell Engine his new Hub, and owner, and his new id#.
// Keep track of important engine ptrs we need.
if (engine is Engines.PricingEngine) // using simple "if"s allows one engine to play multiple roles.
{
m_PricingEngine = (Engines.PricingEngine)engine;
}
if (engine is IOrderEngine)
{
m_OrderEngine = (IOrderEngine)engine;
}
if (engine is ZGraphEngine)
{
m_GraphEngine = (ZGraphEngine)engine;
}
id++;
} //next engine id
m_IsInitializeComplete = true; // after this point if engines are added, they have to manually Initialize
} //SetupInitialize()
}//RequestRepricing()
//
//
//
// *************************************************************
// **** GetInstrumentSubscriptions() ****
// *************************************************************
/// <summary>
/// Called after initialization. Gets all the instruments get mkt data for.
/// </summary>
/// <returns></returns>
public List <InstrumentName> GetInstrumentSubscriptions()
{
List <InstrumentName> instrNames = new List <InstrumentName>();
if (m_PricingEngine != null && m_PricingEngine is Engines.PricingEngine)
{
Engines.PricingEngine eng = (Engines.PricingEngine)m_PricingEngine;
foreach (PriceLeg leg in eng.m_Legs) // TODO: this should be part of IPricingEngine
{
instrNames.Add(leg.InstrumentName);
}
}
return(instrNames);
}//GetInstrumentSubscriptions()
//
// *****************************************
// **** Setup Begin() ****
// *****************************************
/// <summary>
/// This is called after all Engines have been created, and added to the master
/// list inside the Strategy (IEngineContainer).
/// As a convenience, the PricingEngine class locates useful Engines and keeps
/// pointers to them.
/// </summary>
/// <param name="myEngineHub"></param>
/// <param name="engineContainer"></param>
public override void SetupBegin(IEngineHub myEngineHub, IEngineContainer engineContainer)
{
base.SetupBegin(myEngineHub, engineContainer);
//
// Subscribe to economic numbers of legs.
//
List <InstrumentName> instruments = new List <InstrumentName>();
foreach (IEngine iEngine in engineContainer.GetEngines())
{
if (iEngine is PricingEngine)
{
PricingEngine pricingEngine = (PricingEngine)iEngine;
foreach (Lib.MarketHubs.PriceLeg leg in pricingEngine.m_Legs)
{
if (!instruments.Contains(leg.InstrumentName))
{
instruments.Add(leg.InstrumentName);
}
}
}
else if (iEngine is IOrderEngine)
{ // TODO: Extract legs from IOrderEngine.
IOrderEngine iOrderEngine = (IOrderEngine)iEngine;
}
}
//QueryBase query = null;
//this.ParentStrategy.StrategyHub.RequestQuery(query, this.QueryResponseHandler, this.ParentStrategy);
//
// Subscribe to start/end trading times
//
// If StartTime=EndTime => strategy never shuts off.
if (ParentStrategy.QueryItem != null && ParentStrategy.StrategyHub.m_Alarm != null &&
ParentStrategy.QueryItem.StartTime.CompareTo(ParentStrategy.QueryItem.EndTime) != 0)
{
Random random = new Random();
StrategyQueryItem strategyItem = ParentStrategy.QueryItem;
Alarm alarm = ParentStrategy.StrategyHub.m_Alarm;
// Collect today's time/date
DateTime today = ParentStrategy.StrategyHub.GetLocalTime().Date; // collect nearest day
DateTime day = today;
if (day.CompareTo(strategyItem.StartDate) < 0)
{
day = strategyItem.StartDate;
}
AlarmEventArg eventArg; // my callback event arg.
while (day.CompareTo(strategyItem.EndDate) <= 0) // Loop thru each day and set start/end alarms.
{
// Create start event.
DateTime dt = day.Add(strategyItem.StartTime);
eventArg = new AlarmEventArg();
eventArg.State = StrategyState.Normal;
double secs = m_StartTimeSeconds + m_StartTimeSeconds * (0.01 * random.Next(0, m_RandomSlopPercent[0]));
eventArg.TimeStemp = dt.AddSeconds(secs); // start at start time or after.
alarm.Set(dt, this.AlarmEventHandler, eventArg);
// Create stop event.
dt = day.Add(strategyItem.EndTime); // exit time (or earlier)
double lastSecs = double.MaxValue;
for (int i = 0; i < m_ExitTimeSeconds.Length; ++i)
{
if (m_ExitTimeSeconds[i] != double.NaN)
{
StrategyState state = (StrategyState)(i + (int)StrategyState.ExitOnly);
eventArg = new AlarmEventArg();
eventArg.State = state;
secs = m_ExitTimeSeconds[i] + m_ExitTimeSeconds[i] * (0.01 * random.Next(0, m_RandomSlopPercent[i]));
secs = Math.Max(0, Math.Min(secs, lastSecs)); // don't allow this exit level to be earlier than previous one.
lastSecs = secs - 1.0; // therefore, states padding is strictly decreasing in seconds!
DateTime dt2 = dt.AddSeconds(-secs);
alarm.Set(dt, this.AlarmEventHandler, eventArg);
}
}
// Increment day
day = day.AddDays(1.0).Date; // increment until past endDate or ...
if (day.DayOfWeek == DayOfWeek.Saturday && day != today) // ... its Saturday (but continue if today is Sat.).
{
break;
}
} //wend day
}
} //SetupBegin()
