/**
* peek at the next location
*
* @return
*/
@Override
public GenomeLoc peekNextLocation() {
return (aheadQueue.size() > 0)
? aheadQueue.getFirst().getLocation()
: iterator.peekNextLocation();
}
/**
* can we flash back to the specified location?
*
* @param location the location to try and flash back to
* @return true if we can, false otherwise
*/
public boolean canFlashBackTo(GenomeLoc location) {
GenomeLoc farthestBack =
(pastQueue.size() > 0) ? pastQueue.getFirst().getLocation() : iterator.peekNextLocation();
return (!farthestBack.isPast(location));
}