Examples with AccessManager org.geotoolkit.data.shapefile.lock.AccessManager used on opensource projects

Example 26 with AccessManager

use of org.geotoolkit.data.shapefile.lock.AccessManager in project geotoolkit by Geomatys.

the class IndexedFidWriter method generate.

/**
 * Generates the FID index file for the shpFiles
 */
public static void generate(final ShpFiles shpFiles) throws IOException {
    LOGGER.log(Level.FINE, "Generating fids for {0}", shpFiles.get(SHP));
    final AccessManager locker = shpFiles.createLocker();
    ShxReader indexFile = null;
    StorageFile file = locker.getStorageFile(FIX);
    try {
        indexFile = locker.getSHXReader(false);
        // writer closes channel for you.
        final IndexedFidWriter writer = locker.getFIXWriter(file);
        for (int i = 0, j = indexFile.getRecordCount(); i < j; i++) {
            writer.next();
        }
    } finally {
        try {
            locker.disposeReaderAndWriters();
            locker.replaceStorageFiles();
        } finally {
            if (indexFile != null) {
                indexFile.close();
            }
        }
    }
}