Extensions.EventHandling.IsMonitorChangeEvent

Classification

Name	IsMonitorChangeEvent
Short Description	Checks whether an event monitor change event source or ThresholdExceededEventSource comes
Class	Term
Extension	OTX EventHandling extension
Group	Event source property related terms
Exceptions	-
Checker Rules	Event_Chk002
Standard Compliant	Yes

OTL Syntax

BooleanTerm = EventHandling.IsMonitorChangeEvent(EventTerm, Variable);

Description

The OTX IsMonitorChangeEvent term returns TRUE back when the event if and only from MonitorChangeEventSource or ThresholdExceededEventSource comes. In the case of an optional variable is specified, the expression is TRUE return, if and only if the event was triggered, because this particular variable changes. If the specified variable is not the reason for this is FALSE returned.

Return Value

The Term returns the value, see table below.

In OTX, Terms are categorized according to its return data type!

Data Type	Description
Boolean	Returns TRUE if the event of a MonitorChangeEventSource or ThresholdExceededEventSource comes.

Properties

Name	Data Type	Class	Default	Cardinality	Description
Event	Event	Term	-	[1]	The event, whose type is checked.
Variable	-	Variable	-	[0..1]	It is checked if the optional variable is the reason for the event.

OTL Examples

EventHandling.EventSource EventSource1;
String Variable1;
EventHandling.Event Event1;
Boolean Result1 = false;

EventSource1 = EventHandling.MonitorChangeEventSource(Variable1);

parallel
{
	lane
	{
		Variable1 = "String changed";
	}
	lane
	{
	        EventHandling.WaitForEvent({EventSource1}, Event1);
	}
}

Result1 = EventHandling.IsMonitorChangeEvent(Event1, null);

See also

IsThresholdExceededEvent
IsTimerExpiredEvent
GetNewValue