for (int i = 1; i < tokens.length; i++) {
args[i - 1] = Integer.valueOf(tokens[i]);
}
try {
RetryBackoffStrategy rbs = instantiate(policyClassName, args, desc);
log.debug("Instantiated RetryBackoffStrategy object {} from config string \"{}\"", rbs, desc);
return rbs;
} catch (Exception e) {
throw new PermanentStorageException("Failed to instantiate Astyanax RetryBackoffStrategy implementation", e);
}