private void initFeatureOpenFlag(Window twindow, BFeatureImpl tfeatureImpl) {
switch (getWindowType(twindow)) {
case WIN_LEFT:
tfeatureImpl._startOpen = false;
tfeatureImpl._endOpen = (twindow.maxLength == Integer.MAX_VALUE);
break;
case WIN_RIGHT:
tfeatureImpl._startOpen = (twindow.maxLength == Integer.MAX_VALUE);
tfeatureImpl._endOpen = false;
break;
case WIN_MIDDLE:
tfeatureImpl._startOpen = twindow.maxLength == Integer.MAX_VALUE;
tfeatureImpl._endOpen = twindow.maxLength == Integer.MAX_VALUE;
break;
default:
assert (false);
}
}
/* (non-Javadoc)
* @see iitb.Model.FeatureTypes#startScanFeaturesAt(iitb.CRF.DataSequence, int)
* all windows that overlap with this position
*
*/
private void assignBoundaryInt(BFeatureImpl feature, int pos) {
Window w = windows[currentWindow];
if (w.startRelativeToLeft && w.endRelativeToLeft) {
// TODO -- handle this case. for each value between w.start..w.end generate a different
// feature
assert (pos - w.start == pos - w.end);
feature._startB = pos - w.start;
feature._endB = feature._startB + w.minLength - 1;
feature._startOpen = false;
feature._endOpen = (w.maxLength == Integer.MAX_VALUE);
} else if (w.startRelativeToLeft && !w.endRelativeToLeft) {
feature._startB = pos - w.start;
feature._endB = pos - w.end;
feature._startOpen = (w.maxLength == Integer.MAX_VALUE);
feature._endOpen = (w.maxLength == Integer.MAX_VALUE);
} else if (!w.startRelativeToLeft && !w.endRelativeToLeft) {
assert (pos - w.start == pos - w.end);
feature._endB = pos - w.end;
feature._startB = feature._endB - w.minLength + 1;
feature._startOpen = (w.maxLength == Integer.MAX_VALUE);
feature._endOpen = false;
} else assert (false); // invalid combination
}