/// <summary>
/// 是否異常
/// </summary>
/// <param name="monitor">監控訊息</param>
/// <param name="target">監控項目資訊</param>
/// <returns></returns>
public string IsException(Monitor monitor, Target target)
{
var type = (AlarmOperatorType)Enum.Parse(typeof(AlarmOperatorType), target.OPERATOR_TYPE);
var alarmOperator = OperatorFactory.CreateInstance(type);
var conditions = target.ALARM_CONDITIONS.Select(x => x.TARGET_VALUE).ToList();
var falseResult = target.IS_EXCEPTION == "Y" ? "N" : "Y";
return(alarmOperator.Check(monitor.TARGET_VALUE, conditions) ? target.IS_EXCEPTION : falseResult);
}