private Rect calcBounds(rtree.Node n) {
Rect r = null;
Element[] e = n.getAllElements();
for (int i = 0; i < n.getTotalElements(); i++) {
Rect re = e[i].getRect();
if (r == null) {
try {
r = new Rect(re.getMinX(), re.getMinY(), re.getMaxX(), re.getMaxY());
} catch (IllegalValueException ex) {
}
} else {
r.expandToInclude(re);
}
}
return r;
}
public void writeBinaryTransportTree(
rtree.Node parent,
RTree r,
BinaryMapIndexWriter writer,
PreparedStatement selectTransportStop,
PreparedStatement selectTransportRouteStop,
Map<Long, Long> transportRoutes,
Map<String, Integer> stringTable)
throws IOException, RTreeException, SQLException {
Element[] e = parent.getAllElements();
List<Long> routes = null;
for (int i = 0; i < parent.getTotalElements(); i++) {
Rect re = e[i].getRect();
if (e[i].getElementType() == rtree.Node.LEAF_NODE) {
long id = ((LeafElement) e[i]).getPtr();
selectTransportStop.setLong(1, id);
selectTransportRouteStop.setLong(1, id);
ResultSet rs = selectTransportStop.executeQuery();
if (rs.next()) {
int x24 = (int) MapUtils.getTileNumberX(24, rs.getDouble(3));
int y24 = (int) MapUtils.getTileNumberY(24, rs.getDouble(2));
String name = rs.getString(4);
String nameEn = rs.getString(5);
if (nameEn != null && nameEn.equals(Junidecode.unidecode(name))) {
nameEn = null;
}
ResultSet rset = selectTransportRouteStop.executeQuery();
if (routes == null) {
routes = new ArrayList<Long>();
} else {
routes.clear();
}
while (rset.next()) {
Long route = transportRoutes.get(rset.getLong(1));
if (route == null) {
log.error(
"Something goes wrong with transport route id = "
+ rset.getLong(1)); // $NON-NLS-1$
} else {
routes.add(route);
}
}
rset.close();
writer.writeTransportStop(id, x24, y24, name, nameEn, stringTable, routes);
} else {
log.error("Something goes wrong with transport id = " + id); // $NON-NLS-1$
}
} else {
long ptr = ((NonLeafElement) e[i]).getPtr();
rtree.Node ns = r.getReadNode(ptr);
writer.startTransportTreeElement(re.getMinX(), re.getMaxX(), re.getMinY(), re.getMaxY());
writeBinaryTransportTree(
ns,
r,
writer,
selectTransportStop,
selectTransportRouteStop,
transportRoutes,
stringTable);
writer.endWriteTransportTreeElement();
}
}
}
public void writeBinaryTransportIndex(
BinaryMapIndexWriter writer, String regionName, Connection mapConnection)
throws IOException, SQLException {
try {
closePreparedStatements(transRouteStat, transRouteStopsStat, transStopsStat);
mapConnection.commit();
transportStopsTree.flush();
visitedStops = null; // allow gc to collect it
PreparedStatement selectTransportRouteData =
mapConnection.prepareStatement(
"SELECT id, dist, name, name_en, ref, operator, type FROM transport_route"); //$NON-NLS-1$
PreparedStatement selectTransportData =
mapConnection.prepareStatement(
"SELECT S.stop, S.direction,"
+ //$NON-NLS-1$
" A.latitude, A.longitude, A.name, A.name_en "
+ //$NON-NLS-1$
"FROM transport_route_stop S INNER JOIN transport_stop A ON A.id = S.stop WHERE S.route = ? ORDER BY S.ord asc"); //$NON-NLS-1$
writer.startWriteTransportIndex(regionName);
writer.startWriteTransportRoutes();
// expect that memory would be enough
Map<String, Integer> stringTable = createStringTableForTransport();
Map<Long, Long> transportRoutes = new LinkedHashMap<Long, Long>();
ResultSet rs = selectTransportRouteData.executeQuery();
List<TransportStop> directStops = new ArrayList<TransportStop>();
List<TransportStop> reverseStops = new ArrayList<TransportStop>();
while (rs.next()) {
long idRoute = rs.getLong(1);
int dist = rs.getInt(2);
String routeName = rs.getString(3);
String routeEnName = rs.getString(4);
if (routeEnName != null && routeEnName.equals(Junidecode.unidecode(routeName))) {
routeEnName = null;
}
String ref = rs.getString(5);
String operator = rs.getString(6);
String type = rs.getString(7);
selectTransportData.setLong(1, idRoute);
ResultSet rset = selectTransportData.executeQuery();
reverseStops.clear();
directStops.clear();
while (rset.next()) {
boolean dir = rset.getInt(2) != 0;
long idStop = rset.getInt(1);
String stopName = rset.getString(5);
String stopEnName = rset.getString(6);
if (stopEnName != null && stopEnName.equals(Junidecode.unidecode(stopName))) {
stopEnName = null;
}
TransportStop st = new TransportStop();
st.setId(idStop);
st.setName(stopName);
st.setLocation(rset.getDouble(3), rset.getDouble(4));
if (stopEnName != null) {
st.setEnName(stopEnName);
}
if (dir) {
directStops.add(st);
} else {
reverseStops.add(st);
}
}
writer.writeTransportRoute(
idRoute,
routeName,
routeEnName,
ref,
operator,
type,
dist,
directStops,
reverseStops,
stringTable,
transportRoutes);
}
rs.close();
selectTransportRouteData.close();
selectTransportData.close();
writer.endWriteTransportRoutes();
PreparedStatement selectTransportStop =
mapConnection.prepareStatement(
"SELECT A.id, A.latitude, A.longitude, A.name, A.name_en FROM transport_stop A where A.id = ?"); //$NON-NLS-1$
PreparedStatement selectTransportRouteStop =
mapConnection.prepareStatement(
"SELECT DISTINCT S.route FROM transport_route_stop S WHERE S.stop = ? "); //$NON-NLS-1$
long rootIndex = transportStopsTree.getFileHdr().getRootIndex();
rtree.Node root = transportStopsTree.getReadNode(rootIndex);
Rect rootBounds = calcBounds(root);
if (rootBounds != null) {
writer.startTransportTreeElement(
rootBounds.getMinX(), rootBounds.getMaxX(), rootBounds.getMinY(), rootBounds.getMaxY());
writeBinaryTransportTree(
root,
transportStopsTree,
writer,
selectTransportStop,
selectTransportRouteStop,
transportRoutes,
stringTable);
writer.endWriteTransportTreeElement();
}
selectTransportStop.close();
selectTransportRouteStop.close();
writer.writeTransportStringTable(stringTable);
writer.endWriteTransportIndex();
writer.flush();
} catch (RTreeException e) {
throw new IllegalStateException(e);
}
}
