@Override
public void setOrientation(final int orientation) {
final ConnectionDirection[] dirs = ConnectionDirection.values();
checkArgument(orientation >= 0 && orientation < dirs.length, "orientation out of range");
this.missingDir = dirs[orientation];
}
@Override
public void nextOrientation() {
missingDir = missingDir.next();
}
@Override
public void prevOrientation() {
missingDir = missingDir.prev();
}
@Override
public int currentOrientation() {
return missingDir.ordinal();
}