/// <summary>
/// Clears the session state
/// </summary>
public void ClearState()
{
MemoryRegion.RemoveVariablesInScope(VariableType.Standard);
if (DataInfo != null)
{
DataInfo.Dispose();
}
OverriddenSetOptions = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
DataInfo = new DataSourceInfo();
Recodes.Clear();
Reset();
CurrentRead = null;
IsFirstStatement = false;
ProgramText.Length = 0;
DataTableRefreshNeeded = true;
AnalysisOut = new AnalysisOutput(this);
isCancelRequest = false;
GroupVariableList = new Dictionary<string, List<string>>();
}
private void Initialize()
{
GroupVariableList = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
StatisticModuleList = new Dictionary<string, System.Reflection.Assembly>(StringComparer.OrdinalIgnoreCase);
CommandToAssemblyMap = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
DLLClassList = new Dictionary<string, IDLLClass>();
foreach (string s in System.Configuration.ConfigurationSettings.AppSettings)
{
switch (s.ToUpper())
{
case "FREQUENCY":
case "TABLES":
case "SUMMARIZE":
case "GRAPH":
case "MEANS":
case "MATCH":
case "LINEARREGRESSION":
case "LOGISTICREGRESSION":
case "COMPLEXSAMPLEMEANS":
case "COMPLEXSAMPLETABLES":
case "COMPLEXSAMPLEFREQUENCY":
case "KAPLANMEIERSURVIVAL":
case "COXPROPORTIONALHAZARDS":
string StatisticsAssembly = System.Configuration.ConfigurationSettings.AppSettings[s].ToString();
if (! StatisticModuleList.ContainsKey(StatisticsAssembly))
{
System.Reflection.Assembly a = System.Reflection.Assembly.Load(StatisticsAssembly);
StatisticModuleList.Add(StatisticsAssembly, a);
}
CommandToAssemblyMap.Add(s, StatisticsAssembly);
break;
}
}
ConnectionList = new Dictionary<string, IDataSource>(StringComparer.OrdinalIgnoreCase);
DataTableRefreshNeeded = true;
CurrentSelect = new StringBuilder();
PermanantVariables = new System.Collections.Specialized.NameValueCollection();
GlobalVariables = new System.Collections.Specialized.NameValueCollection();
StandardVariables = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
SelectString = new StringBuilder();
SelectExpression = new List<Epi.Core.AnalysisInterpreter.AnalysisRule>();
SortExpression = new StringBuilder();
DataSet = new System.Data.DataSet();
DataInfo = new DataSourceInfo();
ProgramText = new StringBuilder();
IsFirstStatement = false;
Recodes = new Dictionary<string, Epi.Core.AnalysisInterpreter.Rules.RecodeList>(StringComparer.OrdinalIgnoreCase);
VariableExpressionList = new Dictionary<string, AnalysisRule>(StringComparer.OrdinalIgnoreCase);
VariableValueList = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase);
AnalysisOut = new AnalysisOutput(this);
OverriddenSetOptions = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
SelectCommandList.Add(CommandNames.ABS);
SelectCommandList.Add(CommandNames.AND);
SelectCommandList.Add(CommandNames.ALWAYS);
SelectCommandList.Add(CommandNames.APPEND);
SelectCommandList.Add(CommandNames.MOD);
SelectCommandList.Add(CommandNames.LIKE);
SelectCommandList.Add(CommandNames.OR);
SelectCommandList.Add(CommandNames.XOR);
SelectCommandList.Add(CommandNames.NOT);
SelectCommandList.Add(CommandNames.EXP);
SelectCommandList.Add(CommandNames.LN);
SelectCommandList.Add(CommandNames.LOG);
SelectCommandList.Add(CommandNames.NUMTODATE);
SelectCommandList.Add(CommandNames.NUMTOTIME);
SelectCommandList.Add(CommandNames.RECORDCOUNT);
SelectCommandList.Add(CommandNames.RND);
SelectCommandList.Add(CommandNames.ROUND);
SelectCommandList.Add(CommandNames.STEP);
SelectCommandList.Add(CommandNames.SIN);
SelectCommandList.Add(CommandNames.COS);
SelectCommandList.Add(CommandNames.TAN);
SelectCommandList.Add(CommandNames.TRUNC);
SelectCommandList.Add(CommandNames.PFROMZ);
SelectCommandList.Add(CommandNames.ZSCORE);
SelectCommandList.Add(CommandNames.YEARS);
SelectCommandList.Add(CommandNames.MONTHS);
SelectCommandList.Add(CommandNames.DAYS);
SelectCommandList.Add(CommandNames.YEAR);
SelectCommandList.Add(CommandNames.MONTH);
SelectCommandList.Add(CommandNames.DAY);
SelectCommandList.Add(CommandNames.CURRENTUSER);
SelectCommandList.Add(CommandNames.EXISTS);
SelectCommandList.Add(CommandNames.FILEDATE);
SelectCommandList.Add(CommandNames.SYSTEMDATE);
SelectCommandList.Add(CommandNames.SYSTEMTIME);
SelectCommandList.Add(CommandNames.HOURS);
SelectCommandList.Add(CommandNames.MINUTES);
SelectCommandList.Add(CommandNames.SECONDS);
SelectCommandList.Add(CommandNames.HOUR);
SelectCommandList.Add(CommandNames.MINUTE);
SelectCommandList.Add(CommandNames.SECOND);
SelectCommandList.Add(CommandNames.FINDTEXT);
SelectCommandList.Add(CommandNames.FORMAT);
SelectCommandList.Add(CommandNames.LINEBREAK);
SelectCommandList.Add(CommandNames.STRLEN);
SelectCommandList.Add(CommandNames.SUBSTRING);
SelectCommandList.Add(CommandNames.TXTTONUM);
SelectCommandList.Add(CommandNames.TXTTODATE);
SelectCommandList.Add(CommandNames.UPPERCASE);
}