protected DataProviderState dataProviderState; // current state of our DataProvider ('READY' means the DataProvider is ready to use).
protected DataProviderBase()
{
prop = new KeyValueCollection(PropertyNames);
tradeCycle = null;
previousTradeCycle = null;
sessionDetail = null;
// Assume we are in the READY state. Any data provider that is not in the READY state
// when it starts up should change the dataProviderState value in its constructor.
dataProviderState = DataProviderState.READY;
}
/// <summary>
/// Establish the beginning of a new Trade Cycle. If our current ("working")
/// trade cycle is null, then we need to create one and add it to our Trade Metrics.
/// </summary>
void OpenNewTradeCycle()
{
if (tradeCycle == null)
{
tradeCycle = new TradeCycleDetail();
Metrics.AddTradeCycle(tradeCycle);
// Set this Trade Cycle as the current trade cycle for
// all of the DataProviders in our trade.
SetTradeCycleForDataProviders(tradeCycle);
}
}
/// <summary>
/// For all DataProviders in this Trade, set the current ("working") trade cycle.
/// </summary>
/// <param name="cycle">the TradeCycleDetail object to pass to the DataProviders</param>
void SetTradeCycleForDataProviders(TradeCycleDetail tc)
{
foreach (TradeStep step in tradeSteps.Values)
{
foreach (TradeRule rule in step.Rules)
{
foreach (RuleCondition condition in rule.Conditions)
{
condition.Value1.DataProvider.TradeDetail = tc;
condition.Value2.DataProvider.TradeDetail = tc;
}
}
}
}
/// <summary>
/// Establish the end of the Trade Cycle. We set our current ("working") trade
/// cycle to null in order to indicate we are in a state where we have closed
/// out our open trade cycle.
/// </summary>
void CloseTradeCycle()
{
SetTradeCycleForDataProviders(null);
tradeCycle = null;
}
