How to detect if Jasper Reports output was generated by a scheduled run

Sometimes it is necessary to have some conditional logic in case a report is being run by a scheduler. In this case it is possible to use _ScheduledTime parameter from the built-in REPORT_PARAMETERS_MAP map.

Example expression:

$P{REPORT_PARAMETERS_MAP}.get("_ScheduledTime") == null ? "Normal" : "Scheduled"