/// <summary>
/// Prepare mapping of Destination field to Source Field.
/// For that maintain a dictionary with key as destination field name and
/// value as index of the source field in the FieldsTable.
/// </summary>
/// <param name="record"></param>
private void PrepareDestinationToSourceFieldIndexMapping(List <FieldDef> sourceVarList)
{
FieldsTable fieldsTab = ((DataView)task.DataView).GetFieldsTab();
int sourceFieldIndex = 0;
foreach (DBField dbfield in destinationColumnList)
{
FieldDef field = sourceVarList[sourceFieldIndex++];
for (int fieldIndex = 0; fieldIndex < fieldsTab.getSize(); fieldIndex++)
{
if (field.getVarName() == fieldsTab.getField(fieldIndex).getVarName())
{
destinationToSourceFieldIndexMapping.Add(dbfield.Name, fieldIndex);
break;
}
}
}
}
/// <summary>
/// Prepare the list of selected columns of source dataview.
/// </summary>
/// <returns></returns>
private List <FieldDef> PrepareSourceFieldList()
{
string[] fieldNamesList = dataViewOutputCommand.TaskVarNames.Split(',');
List <FieldDef> sourceFieldList = new List <FieldDef>();
foreach (string fieldName in fieldNamesList)
{
for (int fieldIndex = 0; fieldIndex < ancestorTask.DataView.GetFieldsTab().getSize(); fieldIndex++)
{
FieldDef field = ancestorTask.DataView.GetFieldsTab().getField(fieldIndex);
if (field.getVarName() == fieldName)
{
sourceFieldList.Add(field);
break;
}
}
}
return(sourceFieldList);
}
