public void setDurations(long rotationDurationMillis, long stallDurationMillis) { timePeriodManager.reset(); int subPeriodCount = 0; timePeriodManager.addSubPeriod(rotationDurationMillis); rotateUpSubPeriod = subPeriodCount; subPeriodCount++; if (stallDurationMillis > 0) { timePeriodManager.addSubPeriod(stallDurationMillis); stallUpSubPeriod = subPeriodCount; subPeriodCount++; } timePeriodManager.addSubPeriod(rotationDurationMillis); rotateDownSubPeriod = subPeriodCount; subPeriodCount++; if (stallDurationMillis > 0) { timePeriodManager.addSubPeriod(stallDurationMillis); stallDownSubPeriod = subPeriodCount; } }