/**
* To call this method the FileLogReader must have been created as writable.
*
* @param size
* @throws IOException
*/
public synchronized void truncate(long size) throws IOException {
if (size < mRAF.length()) {
mRAF.setLength(size);
FileHeader hdr = getHeader();
hdr.setFileSize(size);
hdr.write(mRAF);
mRAF.seek(size);
}
}
