public void refreshCacheFromWritable(byte[] table, byte[] data) throws IOException {
if (data != null && data.length > 0) {
DataInput in = new DataInputStream(new ByteArrayInputStream(data));
ListMultimap<String, TablePermission> perms = AccessControlLists.readPermissions(in, conf);
if (perms != null) {
if (Bytes.equals(table, AccessControlLists.ACL_GLOBAL_NAME)) {
updateGlobalCache(perms);
} else {
updateTableCache(table, perms);
}
}
} else {
LOG.debug("Skipping permission cache refresh because writable data is empty");
}
}
