in src/main/java/org/apache/sling/commons/scheduler/impl/QuartzScheduler.java [335:346]
public void addPeriodicJob(final Long bundleId,
final Long serviceId,
final String name,
final Object job,
final Map<String, Serializable> config,
final long period,
final boolean canRunConcurrently,
final boolean startImmediate)
throws SchedulerException {
this.scheduleJob(bundleId, serviceId, job,
PERIODIC(period, startImmediate).name(name).config(config).canRunConcurrently(canRunConcurrently));
}