/**
* Step 2 of the bootstrapping process.
*
* <p>Calculating the the extent for each image level (original + pyramids). This calculation is
* only done if the extent info in the master table is SQL NULL. After calculation the meta table
* is updated with the result to avoid this operation in the future.
*
* @param coverageName The coverage name in the sql meta table
* @param con JDBC connection
* @throws SQLException
* @throws IOException
*/
void calculateExtentsFromDB(String coverageName, Connection con)
throws SQLException, IOException {
PreparedStatement stmt = con.prepareStatement(config.getSqlUpdateMosaicStatement());
List<ImageLevelInfo> toBeRemoved = new ArrayList<ImageLevelInfo>();
for (ImageLevelInfo li : levelInfos) {
if (li.getCoverageName().equals(coverageName) == false) {
continue;
}
if (li.calculateExtentsNeeded() == false) {
continue;
}
Date start = new Date();
if (LOGGER.isLoggable(Level.INFO)) LOGGER.info("Calculate extent for " + li.toString());
Envelope env = getExtent(li, con);
if (env == null) {
if (LOGGER.isLoggable(Level.WARNING))
LOGGER.log(Level.WARNING, "No extent, removing this level");
toBeRemoved.add(li);
continue;
}
li.setExtentMaxX(new Double(env.getMaxX()));
li.setExtentMaxY(new Double(env.getMaxY()));
li.setExtentMinX(new Double(env.getMinX()));
li.setExtentMinY(new Double(env.getMinY()));
stmt.setDouble(1, li.getExtentMaxX().doubleValue());
stmt.setDouble(2, li.getExtentMaxY().doubleValue());
stmt.setDouble(3, li.getExtentMinX().doubleValue());
stmt.setDouble(4, li.getExtentMinY().doubleValue());
stmt.setString(5, li.getCoverageName());
stmt.setString(6, li.getTileTableName());
stmt.setString(7, li.getSpatialTableName());
stmt.execute();
long msecs = (new Date()).getTime() - start.getTime();
if (LOGGER.isLoggable(Level.INFO))
LOGGER.info("Calculate extent for " + li.toString() + " finished in " + msecs + " ms ");
}
levelInfos.removeAll(toBeRemoved);
if (stmt != null) {
stmt.close();
}
}
