/**
* Returns the key bounds for the provided log file.
*
* @return the pair of (lowest key, highest key) that correspond to records stored in the
* corresponding log file.
* @throws ChangelogException if an error occurs while retrieving the keys
*/
private Pair<K, K> getKeyBounds(final LogFile<K, V> logFile) throws ChangelogException {
try {
final String name = logFile.getFile().getName();
final String[] keys =
name.substring(0, name.length() - Log.LOG_FILE_SUFFIX.length())
.split(LOG_FILE_NAME_SEPARATOR);
return Pair.of(
recordParser.decodeKeyFromString(keys[0]), recordParser.decodeKeyFromString(keys[1]));
} catch (Exception e) {
throw new ChangelogException(
ERR_CHANGELOG_UNABLE_TO_RETRIEVE_KEY_BOUNDS_FROM_FILE.get(logFile.getFile().getPath()),
e);
}
}
