AQL functions for state

instruction-aggregate-state(instruction_identifier)
Returns the aggregated state of the given INSTRUCTION as a String
current-state(activity_identifier)
Returns the current state of the given ACTIVITY as a String
Two functions for state

Examples
SELECT i
FROM INSTRUCTION i
WHERE instruction-aggregate-state(i) = 'ACTIVE'
SELECT ac
FROM INSTRUCTION i CONTAINS ACTIVITY ac
WHERE current-state(ac) = 'ACTIVE'

PRE-ACTIVE
initial state
No activity in active, inactive or terminated state
ACTIVE
At least one Activity is active
INACTIVE
All Activities are inactive
TERMINATED
All Activities are terminated (completed, cancelled, aborted )
INSTRUCTION AGGREGATED STATE

ACTIVITY – CURRENT STATE
Returns the ‘rubric’ of the instruction states terminology