private static Alarm AlarmFactory(AlarmDataSet.alarm_definitionRow row, string conditionColumnName)
{
string condition = row[conditionColumnName].ToString();
if (Regex.IsMatch(condition, CountAlarm.Expression))
{
return(new CountAlarm(row, conditionColumnName));
}
else if (Regex.IsMatch(condition, LimitAlarm.Expression))
{
return(new LimitAlarm(row, conditionColumnName));
}
else if (Regex.IsMatch(condition, FlagAlarm.Expression))
{
return(new FlagAlarm(row, conditionColumnName));
}
else if (Regex.IsMatch(condition, RogueMinimumFlow.Expression))
{
return(new RogueMinimumFlow(row, conditionColumnName.ToLower() == "clear_condition"));
}
else if (Regex.IsMatch(condition, RogueSystemState.Expression))
{
return(new RogueSystemState(row));
}
throw new NotImplementedException("Invalid alarm condition " + row[conditionColumnName]);
}
public FlagAlarm(AlarmDataSet.alarm_definitionRow row, string conditionColumnName)
: base(row)
{
string condition = row[conditionColumnName].ToString();
var m = Regex.Match(condition, Expression);
if (!m.Success)
{
throw new ArgumentException("Invalid condition '" + condition + "'");
}
}
public CountAlarm(AlarmDataSet.alarm_definitionRow row, string conditionColumnName)
: base(row)
{
this.conditionColumnName = conditionColumnName;
var m = Regex.Match(row.alarm_condition, Expression);
if (m.Success)
{
limit = Convert.ToInt32(m.Groups["limit"].Value);
equality = m.Groups["equality"].Value;
}
else
{
throw new ArgumentException("Invalid condition '" + row.alarm_condition + "' ");
}
}
public LimitAlarm(AlarmDataSet.alarm_definitionRow row, string conditionColumnName)
: base(row)
{
string condition = row[conditionColumnName].ToString();
var m = Regex.Match(condition, Expression);
if (m.Success)
{
m_alarmValue = Convert.ToDouble(m.Groups["value"].Value);
m_alarmOperator = m.Groups["operator"].Value;
customMessageVariables.Add("%limit_expression", m.Groups[0].Value);
}
else
{
throw new ArgumentException("Invalid condition '" + condition + "'");
}
}
public RogueSystemState(AlarmDataSet.alarm_definitionRow row)
: base(row)
{
// dont set the state alarm (it should alarm for each daily state change )
row.IsVirtual = true; // prevents active flag from being set.
}
public Alarm(AlarmDataSet.alarm_definitionRow row)
{
m_row = row;
event_point = null;
}
public RogueMinimumFlow(AlarmDataSet.alarm_definitionRow row, bool clearCondition)
: base(row)
{
Details = "";
m_clearCondition = clearCondition;
}
