.childOption(ChannelOption.TCP_NODELAY, true)//
.childHandler(new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(new MongoWireEncoder());
ch.pipeline().addLast(new MongoWireProtocolHandler());
ch.pipeline().addLast(new MongoDatabaseHandler(backend, channelGroup));
ch.pipeline().addLast(new MongoExceptionHandler());
}
});