/// <summary>
/// 创建指标
/// </summary>
/// <param name="text">脚本</param>
/// <param name="parameters">参数</param>
/// <returns>指标ID</returns>
public static int CreateIndicatorExtern(String text, String parameters)
{
try
{
if (m_native == null)
{
m_native = NativeHandler.CreateNative();
}
if (m_chart == null)
{
m_chart = new ChartAEx();
m_chart.Native = m_native;
}
m_serialNumber++;
CTable dataSource = m_chart.Native.CreateTable();
dataSource.AddColumn(KeyFields.CLOSE_INDEX);
dataSource.AddColumn(KeyFields.HIGH_INDEX);
dataSource.AddColumn(KeyFields.LOW_INDEX);
dataSource.AddColumn(KeyFields.OPEN_INDEX);
dataSource.AddColumn(KeyFields.VOL_INDEX);
dataSource.AddColumn(KeyFields.AMOUNT_INDEX);
CIndicator indicator = SecurityDataHelper.CreateIndicator(m_chart, dataSource, text, parameters);
m_indicators[m_serialNumber] = indicator;
indicator.OnCalculate(0);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + "\r\n" + ex.StackTrace);
}
return(m_serialNumber);
}
/// <summary>
/// 计算指标
/// </summary>
/// <param name="id">指标ID</param>
/// <param name="code">代码</param>
/// <returns>返回数据</returns>
public static Dictionary <String, double> CalculateIndicatorExtern(int id, String code)
{
Dictionary <String, double> list = new Dictionary <String, double>();
if (m_indicators.ContainsKey(id) &&
SecurityService.m_historyDatas.ContainsKey(code) &&
SecurityService.m_latestDatas.ContainsKey(code))
{
CIndicator indicator = m_indicators[id];
List <CIndicator> indicators = new List <CIndicator>();
indicators.Add(indicator);
List <SecurityData> datas = new List <SecurityData>();
List <SecurityData> oldSecurityDatas = SecurityService.m_historyDatas[code];
int oldSecurityDatasSize = oldSecurityDatas.Count;
for (int i = 0; i < oldSecurityDatasSize; i++)
{
datas.Add(oldSecurityDatas[i]);
}
SecurityLatestData latestData = SecurityService.m_latestDatas[code];
SecurityData newData = new SecurityData();
StockService.GetSecurityData(latestData, latestData.m_lastClose, 1440, 1, ref newData);
datas.Add(newData);
CTable dataSource = indicator.DataSource;
int[] fields = new int[] { KeyFields.CLOSE_INDEX, KeyFields.HIGH_INDEX, KeyFields.LOW_INDEX, KeyFields.OPEN_INDEX, KeyFields.VOL_INDEX, KeyFields.AMOUNT_INDEX };
SecurityDataHelper.BindHistoryDatas(m_chart, dataSource, indicators, fields, datas);
datas.Clear();
int rowsCount = dataSource.RowsCount;
int variablesSize = indicator.MainVariables.Count;
if (rowsCount > 0)
{
foreach (String name in indicator.MainVariables.Keys)
{
int field = indicator.MainVariables[name];
double value = dataSource.Get2(rowsCount - 1, field);
list[name] = value;
}
}
dataSource.Clear();
}
return(list);
}
