Netty 4.1.107.Final · io.netty.channel.ChannelDuplexHandler

Access	Constructor and Description
public	ChannelDuplexHandler()

Modifier and Type	Method and Description
public void	bind(ChannelHandlerContext the `ChannelHandlerContext` for which the bind operation is made ctx, SocketAddress the `SocketAddress` to which it should bound localAddress, ChannelPromise the `ChannelPromise` to notify once the operation completes promise) Implements io.netty.channel.ChannelOutboundHandler.bind. Calls `ChannelHandlerContext#bind(SocketAddress, ChannelPromise)` to forward to the next `ChannelOutboundHandler` in the `ChannelPipeline`.
public void	close(ChannelHandlerContext the `ChannelHandlerContext` for which the close operation is made ctx, ChannelPromise the `ChannelPromise` to notify once the operation completes promise) Implements io.netty.channel.ChannelOutboundHandler.close. Calls `ChannelHandlerContext#close(ChannelPromise)` to forward to the next `ChannelOutboundHandler` in the `ChannelPipeline`.
public void	connect(ChannelHandlerContext the `ChannelHandlerContext` for which the connect operation is made ctx, SocketAddress the `SocketAddress` to which it should connect remoteAddress, SocketAddress the `SocketAddress` which is used as source on connect localAddress, ChannelPromise the `ChannelPromise` to notify once the operation completes promise) Implements io.netty.channel.ChannelOutboundHandler.connect. Calls `ChannelHandlerContext#connect(SocketAddress, SocketAddress, ChannelPromise)` to forward to the next `ChannelOutboundHandler` in the `ChannelPipeline`.
public void	deregister(ChannelHandlerContext the `ChannelHandlerContext` for which the close operation is made ctx, ChannelPromise the `ChannelPromise` to notify once the operation completes promise) Implements io.netty.channel.ChannelOutboundHandler.deregister. Calls `ChannelHandlerContext#deregister(ChannelPromise)` to forward to the next `ChannelOutboundHandler` in the `ChannelPipeline`.
public void	disconnect(ChannelHandlerContext the `ChannelHandlerContext` for which the disconnect operation is made ctx, ChannelPromise the `ChannelPromise` to notify once the operation completes promise) Implements io.netty.channel.ChannelOutboundHandler.disconnect. Calls `ChannelHandlerContext#disconnect(ChannelPromise)` to forward to the next `ChannelOutboundHandler` in the `ChannelPipeline`.
public void	flush(ChannelHandlerContext the `ChannelHandlerContext` for which the flush operation is made ctx) Implements io.netty.channel.ChannelOutboundHandler.flush. Calls `ChannelHandlerContext#flush()` to forward to the next `ChannelOutboundHandler` in the `ChannelPipeline`.
public void	read(ChannelHandlerContext ctx) Implements io.netty.channel.ChannelOutboundHandler.read. Calls `ChannelHandlerContext#read()` to forward to the next `ChannelOutboundHandler` in the `ChannelPipeline`.
public void	write(ChannelHandlerContext the `ChannelHandlerContext` for which the write operation is made ctx, Object the message to write msg, ChannelPromise the `ChannelPromise` to notify once the operation completes promise) Implements io.netty.channel.ChannelOutboundHandler.write. Calls `ChannelHandlerContext#write(Object, ChannelPromise)` to forward to the next `ChannelOutboundHandler` in the `ChannelPipeline`.

ChannelDuplexHandler	back to summary
public ChannelDuplexHandler()

Method Detail

bind back to summary

bind	back to summary
public void bind(ChannelHandlerContext ctx, SocketAddress localAddress, ChannelPromise promise) throws Exception Implements io.netty.channel.ChannelOutboundHandler.bind. Calls `ChannelHandlerContext#bind(SocketAddress, ChannelPromise)` to forward to the next `ChannelOutboundHandler` in the `ChannelPipeline`. Sub-classes may override this method to change behavior. Parameters ctx:ChannelHandlerContext Doc from io.netty.channel.ChannelOutboundHandler.bind. the `ChannelHandlerContext` for which the bind operation is made localAddress:SocketAddress Doc from io.netty.channel.ChannelOutboundHandler.bind. the `SocketAddress` to which it should bound promise:ChannelPromise Doc from io.netty.channel.ChannelOutboundHandler.bind. the `ChannelPromise` to notify once the operation completes Annotations @Skip @Override Exceptions Exception: Doc from io.netty.channel.ChannelOutboundHandler.bind. thrown if an error occurs

public void bind(ChannelHandlerContext ctx, SocketAddress localAddress, ChannelPromise promise) throws Exception

Implements io.netty.channel.ChannelOutboundHandler.bind.

Calls ChannelHandlerContext#bind(SocketAddress, ChannelPromise) to forward to the next ChannelOutboundHandler in the ChannelPipeline. Sub-classes may override this method to change behavior.

Parameters

ctx:ChannelHandlerContext

Doc from io.netty.channel.ChannelOutboundHandler.bind.

the ChannelHandlerContext for which the bind operation is made

localAddress:SocketAddress

Doc from io.netty.channel.ChannelOutboundHandler.bind.

the SocketAddress to which it should bound

promise:ChannelPromise

Doc from io.netty.channel.ChannelOutboundHandler.bind.

the ChannelPromise to notify once the operation completes

Annotations

@Skip
@Override

Exceptions

Exception:

Doc from io.netty.channel.ChannelOutboundHandler.bind.

thrown if an error occurs

close back to summary

close	back to summary
public void close(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception Implements io.netty.channel.ChannelOutboundHandler.close. Calls `ChannelHandlerContext#close(ChannelPromise)` to forward to the next `ChannelOutboundHandler` in the `ChannelPipeline`. Sub-classes may override this method to change behavior. Parameters ctx:ChannelHandlerContext Doc from io.netty.channel.ChannelOutboundHandler.close. the `ChannelHandlerContext` for which the close operation is made promise:ChannelPromise Doc from io.netty.channel.ChannelOutboundHandler.close. the `ChannelPromise` to notify once the operation completes Annotations @Skip @Override Exceptions Exception: Doc from io.netty.channel.ChannelOutboundHandler.close. thrown if an error occurs

public void close(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception

Implements io.netty.channel.ChannelOutboundHandler.close.

Calls ChannelHandlerContext#close(ChannelPromise) to forward to the next ChannelOutboundHandler in the ChannelPipeline. Sub-classes may override this method to change behavior.

Parameters

ctx:ChannelHandlerContext

Doc from io.netty.channel.ChannelOutboundHandler.close.

the ChannelHandlerContext for which the close operation is made

promise:ChannelPromise

Doc from io.netty.channel.ChannelOutboundHandler.close.

the ChannelPromise to notify once the operation completes

Annotations

@Skip
@Override

Exceptions

Exception:

Doc from io.netty.channel.ChannelOutboundHandler.close.

thrown if an error occurs

connect back to summary

connect	back to summary
public void connect(ChannelHandlerContext ctx, SocketAddress remoteAddress, SocketAddress localAddress, ChannelPromise promise) throws Exception Implements io.netty.channel.ChannelOutboundHandler.connect. Calls `ChannelHandlerContext#connect(SocketAddress, SocketAddress, ChannelPromise)` to forward to the next `ChannelOutboundHandler` in the `ChannelPipeline`. Sub-classes may override this method to change behavior. Parameters ctx:ChannelHandlerContext Doc from io.netty.channel.ChannelOutboundHandler.connect. the `ChannelHandlerContext` for which the connect operation is made remoteAddress:SocketAddress Doc from io.netty.channel.ChannelOutboundHandler.connect. the `SocketAddress` to which it should connect localAddress:SocketAddress Doc from io.netty.channel.ChannelOutboundHandler.connect. the `SocketAddress` which is used as source on connect promise:ChannelPromise Doc from io.netty.channel.ChannelOutboundHandler.connect. the `ChannelPromise` to notify once the operation completes Annotations @Skip @Override Exceptions Exception: Doc from io.netty.channel.ChannelOutboundHandler.connect. thrown if an error occurs

public void connect(ChannelHandlerContext ctx, SocketAddress remoteAddress, SocketAddress localAddress, ChannelPromise promise) throws Exception

Implements io.netty.channel.ChannelOutboundHandler.connect.

Calls ChannelHandlerContext#connect(SocketAddress, SocketAddress, ChannelPromise) to forward to the next ChannelOutboundHandler in the ChannelPipeline. Sub-classes may override this method to change behavior.

Parameters

ctx:ChannelHandlerContext

Doc from io.netty.channel.ChannelOutboundHandler.connect.

the ChannelHandlerContext for which the connect operation is made

remoteAddress:SocketAddress

Doc from io.netty.channel.ChannelOutboundHandler.connect.

the SocketAddress to which it should connect

localAddress:SocketAddress

Doc from io.netty.channel.ChannelOutboundHandler.connect.

the SocketAddress which is used as source on connect

promise:ChannelPromise

Doc from io.netty.channel.ChannelOutboundHandler.connect.

the ChannelPromise to notify once the operation completes

Annotations

@Skip
@Override

Exceptions

Exception:

Doc from io.netty.channel.ChannelOutboundHandler.connect.

thrown if an error occurs

deregister back to summary

deregister	back to summary
public void deregister(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception Implements io.netty.channel.ChannelOutboundHandler.deregister. Calls `ChannelHandlerContext#deregister(ChannelPromise)` to forward to the next `ChannelOutboundHandler` in the `ChannelPipeline`. Sub-classes may override this method to change behavior. Parameters ctx:ChannelHandlerContext Doc from io.netty.channel.ChannelOutboundHandler.deregister. the `ChannelHandlerContext` for which the close operation is made promise:ChannelPromise Doc from io.netty.channel.ChannelOutboundHandler.deregister. the `ChannelPromise` to notify once the operation completes Annotations @Skip @Override Exceptions Exception: Doc from io.netty.channel.ChannelOutboundHandler.deregister. thrown if an error occurs

public void deregister(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception

Implements io.netty.channel.ChannelOutboundHandler.deregister.

Calls ChannelHandlerContext#deregister(ChannelPromise) to forward to the next ChannelOutboundHandler in the ChannelPipeline. Sub-classes may override this method to change behavior.

Parameters

ctx:ChannelHandlerContext

Doc from io.netty.channel.ChannelOutboundHandler.deregister.

the ChannelHandlerContext for which the close operation is made

promise:ChannelPromise

Doc from io.netty.channel.ChannelOutboundHandler.deregister.

the ChannelPromise to notify once the operation completes

Annotations

@Skip
@Override

Exceptions

Exception:

Doc from io.netty.channel.ChannelOutboundHandler.deregister.

thrown if an error occurs

disconnect back to summary

disconnect	back to summary
public void disconnect(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception Implements io.netty.channel.ChannelOutboundHandler.disconnect. Calls `ChannelHandlerContext#disconnect(ChannelPromise)` to forward to the next `ChannelOutboundHandler` in the `ChannelPipeline`. Sub-classes may override this method to change behavior. Parameters ctx:ChannelHandlerContext Doc from io.netty.channel.ChannelOutboundHandler.disconnect. the `ChannelHandlerContext` for which the disconnect operation is made promise:ChannelPromise Doc from io.netty.channel.ChannelOutboundHandler.disconnect. the `ChannelPromise` to notify once the operation completes Annotations @Skip @Override Exceptions Exception: Doc from io.netty.channel.ChannelOutboundHandler.disconnect. thrown if an error occurs

public void disconnect(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception

Implements io.netty.channel.ChannelOutboundHandler.disconnect.

Calls ChannelHandlerContext#disconnect(ChannelPromise) to forward to the next ChannelOutboundHandler in the ChannelPipeline. Sub-classes may override this method to change behavior.

Parameters

ctx:ChannelHandlerContext

Doc from io.netty.channel.ChannelOutboundHandler.disconnect.

the ChannelHandlerContext for which the disconnect operation is made

promise:ChannelPromise

Doc from io.netty.channel.ChannelOutboundHandler.disconnect.

the ChannelPromise to notify once the operation completes

Annotations

@Skip
@Override

Exceptions

Exception:

Doc from io.netty.channel.ChannelOutboundHandler.disconnect.

thrown if an error occurs

flush back to summary

flush	back to summary
public void flush(ChannelHandlerContext ctx) throws Exception Implements io.netty.channel.ChannelOutboundHandler.flush. Calls `ChannelHandlerContext#flush()` to forward to the next `ChannelOutboundHandler` in the `ChannelPipeline`. Sub-classes may override this method to change behavior. Parameters ctx:ChannelHandlerContext Doc from io.netty.channel.ChannelOutboundHandler.flush. the `ChannelHandlerContext` for which the flush operation is made Annotations @Skip @Override Exceptions Exception: Doc from io.netty.channel.ChannelOutboundHandler.flush. thrown if an error occurs

public void flush(ChannelHandlerContext ctx) throws Exception

Implements io.netty.channel.ChannelOutboundHandler.flush.

Calls ChannelHandlerContext#flush() to forward to the next ChannelOutboundHandler in the ChannelPipeline. Sub-classes may override this method to change behavior.

Parameters

ctx:ChannelHandlerContext

Doc from io.netty.channel.ChannelOutboundHandler.flush.

the ChannelHandlerContext for which the flush operation is made

Annotations

@Skip
@Override

Exceptions

Exception:

Doc from io.netty.channel.ChannelOutboundHandler.flush.

thrown if an error occurs

read back to summary

read	back to summary
public void read(ChannelHandlerContext ctx) throws Exception Implements io.netty.channel.ChannelOutboundHandler.read. Calls `ChannelHandlerContext#read()` to forward to the next `ChannelOutboundHandler` in the `ChannelPipeline`. Sub-classes may override this method to change behavior. Annotations @Skip @Override

public void read(ChannelHandlerContext ctx) throws Exception

Implements io.netty.channel.ChannelOutboundHandler.read.

Calls ChannelHandlerContext#read() to forward to the next ChannelOutboundHandler in the ChannelPipeline. Sub-classes may override this method to change behavior.

Annotations

@Skip
@Override

write back to summary

write	back to summary
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception Implements io.netty.channel.ChannelOutboundHandler.write. Calls `ChannelHandlerContext#write(Object, ChannelPromise)` to forward to the next `ChannelOutboundHandler` in the `ChannelPipeline`. Sub-classes may override this method to change behavior. Parameters ctx:ChannelHandlerContext Doc from io.netty.channel.ChannelOutboundHandler.write. the `ChannelHandlerContext` for which the write operation is made msg:Object Doc from io.netty.channel.ChannelOutboundHandler.write. the message to write promise:ChannelPromise Doc from io.netty.channel.ChannelOutboundHandler.write. the `ChannelPromise` to notify once the operation completes Annotations @Skip @Override Exceptions Exception: Doc from io.netty.channel.ChannelOutboundHandler.write. thrown if an error occurs