public virtual bool TurnOver(DataRowCollection rows, int index)
{
if (!AnalysisCommon.CheckTrendPeriod(index, rows.Count, TrendPeriod))
{
return(false);
}
AnalysisCommon.TrendDirection before = AnalysisCommon.TrendDirection.None;
AnalysisCommon.TrendDirection after = AnalysisCommon.TrendDirection.None;
try
{
before = AnalysisCommon.CheckBeforeTrendDirection(rows, index, TrendPeriod);
after = AnalysisCommon.CheckAfterTrendDirection(rows, index, TrendPeriod);
}
catch (Exception ex)
{
if (ex is SMANULLException)
{
return(false);
}
}
if ((before == AnalysisCommon.TrendDirection.Down && after == AnalysisCommon.TrendDirection.Up) ||
(before == AnalysisCommon.TrendDirection.Up && after == AnalysisCommon.TrendDirection.Down))
{
return(true);
}
return(false);
}
public virtual bool BeforeHasTrend(DataRowCollection rows, int index)
{
if (!AnalysisCommon.CheckTrendPeriod(index, rows.Count, TrendPeriod))
{
return(false);
}
var trendDirect = AnalysisCommon.CheckBeforeTrendDirection(rows, index, TrendPeriod);
if (trendDirect == AnalysisCommon.TrendDirection.None)
{
return(false);
}
return(true);
}
