CraftPlayer.java 文件源码

public void addChannel(String channel) {
   com.google.common.base.Preconditions.checkState( channels.size() < 128, "Too many channels registered" ); // Spigot
    if (channels.add(channel)) {
        server.getPluginManager().callEvent(new PlayerRegisterChannelEvent(this, channel));
    }
}