DefaultChannelGroup.java 文件源码

@Override
public boolean remove(Object o) {
    if (!(o instanceof Channel)) {
        return false;
    }
    boolean removed;
    Channel c = (Channel) o;
    if (c instanceof ServerChannel) {
        removed = serverChannels.remove(c);
    } else {
        removed = nonServerChannels.remove(c);
    }
    if (!removed) {
        return false;
    }

    c.closeFuture().removeListener(remover);
    return true;
}