This class should be an interface (just the two public methods) and then this
implentation could be called OffsetLockFile, since it uses a common file system
to set locks.
OffsetRouteCmd tells the aircraft to follow an offset to its current
route: offset may be in a left or right direction and up to a distance
of 99.9 nautical miles.
Internal flying status ON_LOCALIZER is defined as including all
cases where an aircraft is on the localizer (uses isOnLocalizer()
check of FlyingStatus).
Option Message
Says how to respond to Datalink Messages sent
Currently TGF only expects a Attribute of AutoWilco
with a value of on/off
Sent by Datalink Server
OrFilter defines a filter multiplexer that sends all Filterables
received to all sub-filters that were added to it during setup; the
resulting output of each of those filters is sent to any filters
listening to this filter.
This output filename template has the sector name inserted before the
file extension for sector output files (e.g.: if outputFileName is
"this.TGF", the output file for sector 8 will be "this08.TGF").