public EnsJSequence(String id, Controller c, Location loc, String driverPath) {
super(id, c);
this.location = loc;
setRange(new Range("dummy", loc.getStart(), loc.getEnd()));
setDriverPath(driverPath);
setLength(loc.getLength());
}
/** @return new location based on current one but with different start and end. */
private LinearLocation derivedLocation(int start, int end) {
LinearLocation subLoc = (LinearLocation) location.copy();
subLoc.setStart(start);
subLoc.setEnd(end);
return subLoc;
}