/**
* Returns the number of interior rings in a polygon.
*
* @param node xml element containing gml object(s)
* @return integer number of interior rings
* @throws QueryException query exception
*/
@Deterministic
public Int numInteriorRing(final ANode node) throws QueryException {
final Geometry geo = geo(node, Q_GML_POLYGON);
if (geo == null && checkGeo(node) != null)
throw GeoErrors.geoType(node.qname().local(), "Polygon");
return Int.get(((Polygon) geo).getNumInteriorRing());
}
/**
* Returns the dimension of an item.
*
* @param node xml element containing gml object(s)
* @return dimension
* @throws QueryException query exception
*/
@Deterministic
public Int dimension(final ANode node) throws QueryException {
return Int.get(checkGeo(node).getDimension());
}
/**
* Returns a database function for the first node in a node set.
*
* @param n node set
* @param i offset
* @return function string
*/
static String openPre(final Nodes n, final int i) {
return Function._DB_OPEN_PRE.get(Str.get(n.data.meta.name), Int.get(n.pres[i])).toString();
}
/**
* Returns the number of points in a geometry.
*
* @param node xml element containing gml object(s)
* @return number of points int value
* @throws QueryException query exception
*/
@Deterministic
public Int numPoints(final ANode node) throws QueryException {
return Int.get(checkGeo(node).getNumPoints());
}
@Override
Item key(final QueryContext ctx, final int i) {
return Int.get(i);
}