public void Above()
{
AlarmRegex re = new AlarmRegex("above 4198.20");
Assert.IsFalse(re.IsAlarm(1.0));
Assert.IsFalse(re.IsAlarm(4198.20));
Assert.IsTrue(re.IsAlarm(5000.1));
}
public void Rising()
{
AlarmRegex re = new AlarmRegex("rising 1");
// TO DO. Assert.IsTrue(re.IsAlarm(1.0,2.0));
}
public void Dropping()
{
AlarmRegex re = new AlarmRegex("dropping 0.25");
// TO DO. Assert.IsTrue(re.IsAlarm(1.0,2.0));
}
public void Below()
{
AlarmRegex re = new AlarmRegex("below 4198.20");
// Assert.IsTrue( re.IsAlarm( 1.0));
}
/// <summary>
/// Check each point in the series for an alarm
/// </summary>
/// <param name="s"></param>
internal void Check(Series s)
{
Logger.WriteLine("Check for alarms " + s.SiteID + " " + s.Parameter);
var alarm = GetAlarmDefinition(s.SiteID.ToLower(), s.Parameter.ToLower());
// is alarm defined
if (alarm.Rows.Count == 0)
return;
if (alarm.Rows.Count > 1)
throw new Exception("bad... alarm_definition constraint not working (siteid,parameter)");
Logger.WriteLine("found alarm definition " + s.SiteID + " " + s.Parameter);
AlarmDataSet.alarm_definitionRow row = alarm[0];
// check alarm_condition for each value
AlarmRegex alarmEx = new AlarmRegex(row.alarm_condition);
if (alarmEx.IsMatch())
{
foreach (var c in alarmEx.AlarmConditions())
{
if (c.Condition == AlarmType.Above)
{
foreach (Point p in s)
{
if (!p.IsMissing && p.Value > c.Value)
{
Logger.WriteLine("alarm_condition: "+row.alarm_condition);
Logger.WriteLine("Alarm above found: "+p.Value);
CreateAlarm(row, p);
return;
}
}
}
if (c.Condition == AlarmType.Below)
{
foreach (Point p in s)
{
if (!p.IsMissing && p.Value < c.Value)
{
Console.WriteLine("Alarm below found");
CreateAlarm(row, p);
return;
}
}
}
if (c.Condition == AlarmType.Dropping)
{
double num_a = s[0].Value;
double num_b = s[1].Value;
double num_c = s[2].Value;
double num_d = s[3].Value;
if ((num_a - num_b) > c.Value
| (num_b - num_c) > c.Value
| (num_c - num_d) > c.Value)
{
Console.WriteLine("Alarm dropping found");
CreateAlarm(row, s[0]);
return;
}
}
if (c.Condition == AlarmType.Rising)
{
double num_a = s[0].Value;
double num_b = s[1].Value;
double num_c = s[2].Value;
double num_d = s[3].Value;
if ((num_b - num_a) > c.Value
| (num_c - num_b) > c.Value
| (num_d - num_c) > c.Value)
{
Console.WriteLine("Alarm dropping found");
CreateAlarm(row, s[0]);
return;
}
}
}
}
// TO DO clear alarms if clear_condition
}
