public static Trigger Read(XmlNode Node)
{
Trigger result = null;
if (Node.Attributes != null)
{
result = new Trigger();
if (Node.Attributes["link_type"] != null)
{
switch (Node.Attributes["link_type"].Value.ToString().ToLower())
{
case "type": result.LinkType = TriggerLinkType.Type; break;
default: result.LinkType = TriggerLinkType.ID; break;
}
}
if (Node.Attributes["link"] != null)
result.Link = Node.Attributes["link"].Value;
if (Node.Attributes["value"] != null)
result.Value = Node.Attributes["value"].Value;
// Added modifier to enable being able to say != to 'value' (ex. Message != "")
if (Node.Attributes["modifier"] != null)
{
switch (Node.Attributes["modifier"].Value.ToString().ToLower())
{
case "not": result.Modifier = TriggerModifier.NOT; break;
case "greater_than": result.Modifier = TriggerModifier.GREATER_THAN; break;
case "less_than": result.Modifier = TriggerModifier.LESS_THAN; break;
case "contains": result.Modifier = TriggerModifier.CONTAINS; break;
case "contains_match_case": result.Modifier = TriggerModifier.CONTAINS_MATCH_CASE; break;
case "contains_whole_word": result.Modifier = TriggerModifier.CONTAINS_WHOLE_WORD; break;
case "contains_whole_word_match_case": result.Modifier = TriggerModifier.CONTAINS_WHOLE_WORD_MATCH_CASE; break;
}
}
}
return result;
}
private static bool FindTrigger(Instance.DataItemValue value, Trigger trigger)
{
if (trigger.Link != null)
{
if (trigger.LinkType == TriggerLinkType.Type)
{
return FormatDataItemType(value) == trigger.Link.ToLower();
}
else
{
return value.Id == trigger.Link;
}
}
return false;
}
private static DateTime GetTimestampFromTrigger(Trigger trigger, List<DataItem> dataItems)
{
var result = DateTime.MinValue;
DataItem item = dataItems.Find(x => x.DataItemId == trigger.Link);
if (item != null) if (item.Timestamp > result) result = item.Timestamp;
return result;
}