public long getCooldownExpirationByTriggerAndMetric ( Trigger trigger , Metric metric ) { String key = _hashTriggerAndMetric ( trigger , metric ) ; return this . cooldownExpirationByTriggerAndMetric . containsKey ( key ) ? this . cooldownExpirationByTriggerAndMetric . get ( key ) : 0 ; }
Returns the cool down expiration time of the notification given a metric trigger combination .