...
[10:42:38 CST(-0600)] <EricDalquist> so joda-time is amazing athena
[10:54:30 CST(-0600)] <EricDalquist> DateTime.now().minus(this.aggregationDelay).secondOfMinute().roundFloorCopy()
[10:54:49 CST(-0600)] <EricDalquist> aggregationDelay is: aggregationDelay = Period.seconds(30)