org.apache.shardingsphere.db.protocol.codec

接口 DatabasePacketCodecEngine<T extends DatabasePacket<?>>

类型参数:

T - type of database packet

public interface DatabasePacketCodecEngine<T extends DatabasePacket<?>>

Database packet codec engine.

方法概要

限定符和类型	方法和说明
PacketPayload	createPacketPayload(io.netty.buffer.ByteBuf message, Charset charset) Create packet payload.
void	decode(io.netty.channel.ChannelHandlerContext context, io.netty.buffer.ByteBuf in, List<Object> out) Decode.
void	encode(io.netty.channel.ChannelHandlerContext context, T message, io.netty.buffer.ByteBuf out) Encode.
boolean	isValidHeader(int readableBytes) Judge is valid header or not.

方法详细资料

isValidHeader

boolean isValidHeader(int readableBytes)

Judge is valid header or not.

参数:

readableBytes - readable bytes

返回:

is valid header or not

decode

void decode(io.netty.channel.ChannelHandlerContext context,
            io.netty.buffer.ByteBuf in,
            List<Object> out)

Decode.

参数:

context - channel handler context

in - input

out - output

encode

void encode(io.netty.channel.ChannelHandlerContext context,
            T message,
            io.netty.buffer.ByteBuf out)

Encode.

参数:

context - channel handler context

message - message of database packet

out - output

createPacketPayload

PacketPayload createPacketPayload(io.netty.buffer.ByteBuf message,
                                  Charset charset)

Create packet payload.

参数:

message - message

charset - charset

返回:

packet payload