/**
* Step 3 of the bootstrapping process.
*
* <p>Calculating the the resolution for each image level (original + pyramids). This calculation
* is only done if the resultion 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 calculateResolutionsFromDB(String coverageName, Connection con)
throws SQLException, IOException {
PreparedStatement stmt = null;
stmt = con.prepareStatement(config.getSqlUpdateResStatement());
List<ImageLevelInfo> toBeRemoved = new ArrayList<ImageLevelInfo>();
for (ImageLevelInfo li : levelInfos) {
if (li.getCoverageName().equals(coverageName) == false) {
continue;
}
if (li.calculateResolutionNeeded() == false) {
continue;
}
Date start = new Date();
if (LOGGER.isLoggable(Level.INFO)) LOGGER.info("Calculate resolutions for " + li.toString());
double[] resolutions = getPixelResolution(li, con);
if (resolutions == null) {
if (LOGGER.isLoggable(Level.WARNING))
LOGGER.log(Level.WARNING, "No image found, removing " + li.toString());
toBeRemoved.add(li);
continue;
}
li.setResX(resolutions[0]);
li.setResY(resolutions[1]);
if (LOGGER.isLoggable(Level.INFO))
LOGGER.info("ResX: " + li.getResX() + " ResY: " + li.getResY());
// li.setColorModel(loadedImage.getColorModel());
stmt.setDouble(1, li.getResX().doubleValue());
stmt.setDouble(2, li.getResY().doubleValue());
stmt.setString(3, li.getCoverageName());
stmt.setString(4, li.getTileTableName());
stmt.setString(5, li.getSpatialTableName());
stmt.execute();
long msecs = (new Date()).getTime() - start.getTime();
if (LOGGER.isLoggable(Level.INFO))
LOGGER.info(
"Calculate resolutions for " + li.toString() + " finished in " + msecs + " ms ");
}
levelInfos.removeAll(toBeRemoved);
if (stmt != null) {
stmt.close();
}
}
public int compareTo(ImageLevelInfo other) {
int res = 0;
if ((res = getCoverageName().compareTo(other.getCoverageName())) != 0) {
return res;
}
if ((res = getResX().compareTo(other.getResX())) != 0) {
return res;
}
if ((res = getResY().compareTo(other.getResY())) != 0) {
return res;
}
return 0;
}
