BetterShardsListener.java 文件源码

@EventHandler(priority = EventPriority.MONITOR)
public void playerPreLoginCacheInv(AsyncPlayerPreLoginEvent event) {
    UUID uuid = event.getUniqueId();
    if (uuid != null) {
        plugin.getLogger().log(Level.FINER, "Preparing to pre-load player data: {0}", uuid);
    } else { 
        return;
    }
    if (st == null){ // Small race condition if someone logs on as soon as the server starts.
        event.disallow(AsyncPlayerPreLoginEvent.Result.KICK_OTHER, "Please try to log in again in a moment, server is not ready to accept log-ins.");
        plugin.getLogger().log(Level.INFO, "Player {0} logged on before async process was ready, skipping.", uuid);
        return;
    }
    // caching disabled due to fail
    Future<ByteArrayInputStream> soondata = db.loadPlayerDataAsync(uuid, st.getInvIdentifier(uuid), true); // wedon't use the data, but know that it caches behind the scenes.

    try {
        ByteArrayInputStream after = soondata.get(); // I want to _INTENTIONALLY_ delay accepting the user's login until I know for sure I've got the data loaded asynchronously.
        if (after == null) {
            plugin.getLogger().log(Level.INFO, "Pre-load for player data {0} came back empty. New player? Error?", uuid);
        } else {
            plugin.getLogger().log(Level.FINER, "Pre-load for player data {0} complete.", uuid);
        }

    } catch (InterruptedException | ExecutionException e) {
        plugin.getLogger().log(Level.SEVERE, "Failed to pre-load player data: {0}", uuid);
        e.printStackTrace();
    }

    // We do this so it fetches the cache, then when called for real
    // by our CustomWorldNBTStorage class it doesn't have to wait and server won't lock.
}