/// <summary>
/// Return the latest date for a specified state (or null if the state has not been recorded).
/// </summary>
/// <param name="state"></param>
/// <returns></returns>
public DateTime? GetStateHistory(NiawaThreadState state)
{
if (_stateHistory.ContainsKey(state))
return _stateHistory[state];
else
return null;
}
/// <summary>
/// Update state history with a specified state and date
/// </summary>
/// <param name="state"></param>
private void UpdateStateHistory(NiawaThreadState state, DateTime stateDate)
{
if (_stateHistory.ContainsKey(state))
//update if exists
_stateHistory[state] = stateDate;
else
//add if new
_stateHistory.Add(state, stateDate);
}
