Operation void getActiveAlarmsCount (ActiveAlarmFilter filter = CIS Null, CIS Integer activeAlarmCount = NA), in Class OperationsSystem

Documentation
This operation asks the target top-level OS to count the number of active alarms as restricted by the provided filter. The target OS sends the result to the requesting OS.
The operation can only be directed to a top-level OS and not to a subordinate OS.
Operation Exceptions:
1. INTERNAL_ERROR - Raised in case of non-specific OS internal failure.
2. NOT_IMPLEMENTED - If the addressed OS is a subordinate OS; i.e., does not support this operation.
3. INVALID_INPUT - Raised when an invalid input parameter is provided (e.g., invalid filter syntax).
4. COMM_FAILURE - Raised when communication to an entity (needed to help fulfill the request) is lost.

Protocol |  | Qualification |
Exceptions |  | Size |
Time |  | Concurrency | Sequential
Export Control | PublicAccess |  |

Preconditions
None
Postconditions
No change in the system.
Semantics

Arguments

filter
/* in */ Defines the subset of the set of active alarms known to the target OS that are to be counted.
activeAlarmCount
/* out */ The number of active alarms that pass the filter conditions.