private void zReadTableResult(DataReaderHelper reader)
{
TableResultMapping tableResultMapping = (TableResultMapping)m_Step.ResultMapping;
ListStateVariable listStateVariable = null;
if (tableResultMapping.ObjectSetListName != null && tableResultMapping.ObjectSetClassName != null)
{
//TODO: there is similar logic in GroupStepExecutor.zCreateElementSetIterator - refactor into common method on DataScope.
listStateVariable = (ListStateVariable)CurrentScope.DataScope.GetStateVariable(tableResultMapping.ObjectSetListName);
if (listStateVariable == null)
{
listStateVariable = new ListStateVariable(DataUtils.GetUnscopedVariableName(tableResultMapping.ObjectSetListName), tableResultMapping.PersistenceMode, new List <IStateVariable>());
CurrentScope.DataScope.SetStateVariable(tableResultMapping.ObjectSetListName, listStateVariable);
}
listStateVariable.IncludeInXML = tableResultMapping.IncludeInXML;
}
int resultCount = 1;
while (reader.Read())
{
ObjectStateVariable objectStateVariable = null;
if (listStateVariable != null)
{
string listItemName = String.Format("{0}{1}", tableResultMapping.ObjectSetClassName, resultCount);
objectStateVariable = new ObjectStateVariable(listItemName, tableResultMapping.ObjectSetClassName, tableResultMapping.PersistenceMode, new Dictionary <string, IStateVariable>());
listStateVariable.Value.Add(objectStateVariable);
}
foreach (TableResultMap tableMap in tableResultMapping.TableMapping)
{
//TODO: for now all data is being converted to string. Once we are doing something with the variable type system,
// type the variables appropriately when reading them in.
object value = reader.GetNullableValue(tableMap.ColumnName);
IStateVariable stateVariable = new StateVariable <string>(DataUtils.GetUnscopedVariableName(tableMap.StateVariable),
DataType.String,
tableMap.XMLFieldOutputMode,
tableMap.PersistenceMode,
Convert.ToString(value));
if (objectStateVariable != null && stateVariable.Name == tableMap.StateVariable)
{
//stateVariable.Name == tableMap.StateVariable checks that tableMap.StateVariable has no explicit scope.
//If it has an explicit scope, stateVariable has to be set through CurrentScope.DataScope in the else block.
objectStateVariable.Value.Add(tableMap.StateVariable, stateVariable);
}
else
{
CurrentScope.DataScope.SetStateVariable(tableMap.StateVariable, stateVariable);
}
}
resultCount++;
}
}