public static DataTable GetData(string queryST, ref string retErr)
{
DataTable EventDT = new DataTable("EventDT");
try
{
// Instantiate the LogQuery object
LogQuery oLogQuery = new LogQuery();
// Instantiate the Event Log Input Format object
EventLogInputFormat oEVTInputFormat = new EventLogInputFormat();
// Set its "direction" parameter to "BW"
oEVTInputFormat.direction = "BW";
// Execute the query
LogRecordSet oRecordSet = oLogQuery.Execute(queryST, oEVTInputFormat);
int i = 0;
for (; i < oRecordSet.getColumnCount(); i++)
{
string colnm;
colnm = oRecordSet.getColumnName(i);
EventDT.Columns.Add(new DataColumn(colnm, typeof(string)));
}
for (; !oRecordSet.atEnd(); oRecordSet.moveNext())
{
MSUtil.ILogRecord rowLP = null;
rowLP = oRecordSet.getRecord();
// populate holding table with site name & summary bytes for the period
DataRow dr = EventDT.NewRow();
for (int ct = 0; ct < i; ct++)
{
dr[ct] = rowLP.getValue(ct);
}
EventDT.Rows.Add(dr);
}
// Close the recordset
oRecordSet.close();
}
catch (Exception exc)
{
retErr = "Unexpected error: " + exc.Message;
}
return(EventDT);
}
public static DataTable FSquery(string queryST, ref string retErr)
{
DataTable resultsDT = new DataTable("resultsDT");
try
{
// Instantiate the LogQuery object
LogQuery oLogQuery = new LogQuery();
// Instantiate the File System Input Format object
FileSystemInputFormat oFSInputFormat = new MSUtil.COMFileSystemInputContextClassClass();
// Execute the query
LogRecordSet oRecordSet = oLogQuery.Execute(queryST, oFSInputFormat);
int i = 0;
for (; i < oRecordSet.getColumnCount(); i++)
{
string colnm;
colnm = oRecordSet.getColumnName(i);
resultsDT.Columns.Add(new DataColumn(colnm, typeof(string)));
}
for (; !oRecordSet.atEnd(); oRecordSet.moveNext())
{
MSUtil.ILogRecord rowLP = null;
rowLP = oRecordSet.getRecord();
DataRow dr = resultsDT.NewRow();
for (int ct = 0; ct < i; ct++)
{
dr[ct] = rowLP.getValue(ct);
}
resultsDT.Rows.Add(dr);
}
// Close the recordset
oRecordSet.close();
}
catch (Exception exc)
{
retErr = "Unexpected error: " + exc.Message;
}
return(resultsDT);
}
public QueryResult Execute()
{
lock (syncRoot)
{
this.isRunning = true;
}
Stopwatch watch = Stopwatch.StartNew();
//if (this.logQuery != null)
//{
// System.Runtime.InteropServices.Marshal.ReleaseComObject(this.logQuery);
// GC.SuppressFinalize(this.logQuery);
// this.logQuery = null;
//}
//this.logQuery = new MSUtil.LogQueryClassClass();
this.results = null;
QueryResult queryResult = new QueryResult();
//MSUtil.COMChartOutputContextClassClass outPutFormat = new MSUtil.COMChartOutputContextClassClass();
//outPutFormat.chartType = "PieExploded3D";
//outPutFormat.view = true;
// MSUtil.COMXMLOutputContextClassClass outPutFormat = new MSUtil.COMChartOutputContextClassClass();
// this.logQuery.ExecuteBatch(Text, this.inputFormat, outPutFormat);
// return null;
MSUtil.ILogRecordset recordset = this.logQuery.Execute(Text, this.inputFormat);
// TODO throw event on query finished
bool columnsExtracted = false;
long unitProcessed = 0;
// Browse the recordset
for (; !recordset.atEnd() && unitProcessed < this.maxUnitsInResults /* && !cancelComputing.WaitOne(0,false) */; recordset.moveNext())
{
MSUtil.ILogRecord record = recordset.getRecord();
// Remplissage des colonnes
if (!columnsExtracted)
{
for (int c = 0; c < recordset.getColumnCount(); c++)
{
DataColumn col = new DataColumn(recordset.getColumnName(c));
//object logRecord = record.getValueEx(c);
switch (recordset.getColumnType(c))
{
case 1: // int32
col.DataType = typeof(int);
break;
case 2: // double
col.DataType = typeof(double);
break;
case 4: // datetime
col.DataType = typeof(DateTime);
break;
default:
col.DataType = typeof(string);
break;
}
queryResult.DataTable.Columns.Add(col);
}
columnsExtracted = true;
}
// on insert les datas
DataRow dr = queryResult.DataTable.NewRow();
dr[0] = record.getValue(0).ToString();
//dataTableResults.ExtendedProperties.Add("source", record.getValue(0).ToString());
for (int c = 1; c < recordset.getColumnCount(); c++)
{
if (record.getValue(c) != DBNull.Value)
{
dr[c] = record.getValue(c).ToString();
}
}
//logQuery.inputUnitsProcessed;
unitProcessed++;
queryResult.DataTable.Rows.Add(dr);
// MainForm.StatusBar.Text = string.Format("Computing in progress ... {0} line(s)",unitProcessed);
}
// MainForm.StatusBar.Text = string.Format("{0} input units processed",recordset.inputUnitsProcessed);
recordset.close();
queryResult.Duration = watch.Elapsed;
lock (syncRoot)
{
this.isRunning = false;
}
this.results = queryResult;
return(this.results);
}
public static QueryResult Execute(string query, string inputName, Dictionary <PropertyInfo, object> properties)
{
Stopwatch watch = Stopwatch.StartNew();
int maxUnitsInResults = 5000; // TODO add this to user settings
MSUtil.LogQueryClassClass logQuery = new MSUtil.LogQueryClassClass();
QueryResult queryResult = new QueryResult();
object inputFormat = SqalpApplication.Inputs[inputName].CreateInstance();
foreach (PropertyInfo propertyInfo in properties.Keys)
{
try
{
propertyInfo.SetValue(inputFormat, properties[propertyInfo], null);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
}
}
MSUtil.ILogRecordset recordset = logQuery.Execute(query, inputFormat);
bool columnsExtracted = false;
long unitProcessed = 0;
// Browse the recordset
for (; !recordset.atEnd() && unitProcessed < maxUnitsInResults /* && !cancelComputing.WaitOne(0,false) */; recordset.moveNext())
{
MSUtil.ILogRecord record = recordset.getRecord();
// Remplissage des colonnes
if (!columnsExtracted)
{
for (int c = 0; c < recordset.getColumnCount(); c++)
{
DataColumn col = new DataColumn(recordset.getColumnName(c));
//object logRecord = record.getValueEx(c);
switch (recordset.getColumnType(c))
{
case 1: // int32
col.DataType = typeof(int);
break;
case 2: // double
col.DataType = typeof(double);
break;
case 4: // datetime
col.DataType = typeof(DateTime);
break;
default:
col.DataType = typeof(string);
break;
}
queryResult.DataTable.Columns.Add(col);
}
columnsExtracted = true;
}
// on insert les datas
DataRow dr = queryResult.DataTable.NewRow();
dr[0] = record.getValue(0).ToString();
//dataTableResults.ExtendedProperties.Add("source", record.getValue(0).ToString());
for (int c = 1; c < recordset.getColumnCount(); c++)
{
if (record.getValue(c) != DBNull.Value)
{
dr[c] = record.getValue(c).ToString();
}
}
//logQuery.inputUnitsProcessed;
unitProcessed++;
queryResult.DataTable.Rows.Add(dr);
// MainForm.StatusBar.Text = string.Format("Computing in progress ... {0} line(s)",unitProcessed);
}
// MainForm.StatusBar.Text = string.Format("{0} input units processed",recordset.inputUnitsProcessed);
recordset.close();
queryResult.Duration = watch.Elapsed;
if (logQuery != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(logQuery);
GC.SuppressFinalize(logQuery);
logQuery = null;
}
return(queryResult);
}
