Deprecated List (Netty/Transport 4.1.1.Final API)

Deprecated Interfaces
Interface and Description

io.netty.bootstrap.ChannelFactory
Use ChannelFactory instead.

Deprecated Interfaces
Interface and Description
io.netty.bootstrap.ChannelFactory Use `ChannelFactory` instead.

Deprecated Classes
Class and Description
io.netty.channel.ChannelPromiseAggregator Use `PromiseCombiner` Class which is used to consolidate multiple channel futures into one, by listening to the individual futures and producing an aggregated result (success/failure) when all futures have completed.
io.netty.channel.local.LocalEventLoopGroup Use `DefaultEventLoopGroup` instead.

Deprecated Fields
Field and Description
io.netty.channel.ChannelOption.AUTO_CLOSE From version 5.0, `Channel` will not be closed on write failure. If `true` then the `Channel` is closed automatically and immediately on write failure. The default value is `true`.
io.netty.channel.ChannelOption.DATAGRAM_CHANNEL_ACTIVE_ON_REGISTRATION
io.netty.channel.AdaptiveRecvByteBufAllocator.DEFAULT There is state for `DefaultMaxMessagesRecvByteBufAllocator.maxMessagesPerRead()` which is typically based upon channel type.
io.netty.channel.ChannelOption.MAX_MESSAGES_PER_READ Use `MaxMessagesRecvByteBufAllocator`
io.netty.channel.ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK Use `ChannelOption.WRITE_BUFFER_WATER_MARK`
io.netty.channel.ChannelOption.WRITE_BUFFER_LOW_WATER_MARK Use `ChannelOption.WRITE_BUFFER_WATER_MARK`

Deprecated Methods
Method and Description
io.netty.channel.ChannelFlushPromiseNotifier.add(ChannelPromise, int) use `ChannelFlushPromiseNotifier.add(ChannelPromise, long)`
io.netty.channel.ChannelHandlerContext.attr(AttributeKey) Use `AttributeMap.attr(AttributeKey)`
io.netty.bootstrap.AbstractBootstrap.channelFactory(ChannelFactory) Use `AbstractBootstrap.channelFactory(io.netty.channel.ChannelFactory)` instead.
io.netty.bootstrap.ServerBootstrap.childGroup() Use `ServerBootstrap.config()` instead.
io.netty.channel.group.ChannelGroup.deregister() This method will be removed in the next major feature release. Deregister all `Channel`s in this group from their `EventLoop`. Please note that this operation is asynchronous as `ChannelOutboundInvoker.deregister()` is.
io.netty.channel.group.ChannelGroup.deregister(ChannelMatcher) This method will be removed in the next major feature release. Deregister all `Channel`s in this group from their `EventLoop` that are matched by the given `ChannelMatcher`. Please note that this operation is asynchronous as `ChannelOutboundInvoker.deregister()` is.
io.netty.channel.ChannelHandler.exceptionCaught(ChannelHandlerContext, Throwable) is part of `ChannelInboundHandler`
io.netty.channel.group.ChannelGroup.flushAndWrite(Object) Use `ChannelGroup.writeAndFlush(Object)` instead.
io.netty.channel.group.ChannelGroup.flushAndWrite(Object, ChannelMatcher) Use `ChannelGroup.writeAndFlush(Object, ChannelMatcher)` instead.
io.netty.channel.DefaultChannelConfig.getMaxMessagesPerRead()
io.netty.channel.ChannelConfig.getMaxMessagesPerRead() Use `MaxMessagesRecvByteBufAllocator` Returns the maximum number of messages to read per read loop. a `channelRead()` event. If this value is greater than 1, an event loop might attempt to read multiple times to procure multiple messages.
io.netty.channel.DefaultChannelConfig.getWriteBufferHighWaterMark()
io.netty.channel.DefaultChannelConfig.getWriteBufferLowWaterMark()
io.netty.bootstrap.AbstractBootstrap.group() Use `AbstractBootstrap.config()` instead.
io.netty.channel.ChannelHandlerContext.hasAttr(AttributeKey) Use `AttributeMap.hasAttr(AttributeKey)`
io.netty.channel.ChannelConfig.isAutoClose() From version 5.0, `Channel` will not be closed on write failure. Returns `true` if and only if the `Channel` will be closed automatically and immediately on write failure. The default is `false`.
io.netty.channel.oio.AbstractOioChannel.isReadPending() No longer supported. No longer supported.
io.netty.channel.nio.AbstractNioChannel.isReadPending() No longer supported. No longer supported.
io.netty.channel.embedded.EmbeddedChannel.lastInboundBuffer() use `EmbeddedChannel.inboundMessages()`
io.netty.channel.embedded.EmbeddedChannel.lastOutboundBuffer() use `EmbeddedChannel.outboundMessages()`
io.netty.channel.ChannelFlushPromiseNotifier.notifyFlushFutures() use `ChannelFlushPromiseNotifier.notifyPromises()`
io.netty.channel.ChannelFlushPromiseNotifier.notifyFlushFutures(Throwable) use `ChannelFlushPromiseNotifier.notifyPromises(Throwable)`
io.netty.channel.ChannelFlushPromiseNotifier.notifyFlushFutures(Throwable, Throwable) use `ChannelFlushPromiseNotifier.notifyPromises(Throwable, Throwable)`
io.netty.channel.ChannelOutboundBuffer.recycle()
io.netty.channel.SingleThreadEventLoop.register(Channel, ChannelPromise)
io.netty.channel.EventLoopGroup.register(Channel, ChannelPromise) Use `EventLoopGroup.register(ChannelPromise)` instead.
io.netty.channel.ThreadPerChannelEventLoop.register(Channel, ChannelPromise)
io.netty.channel.MultithreadEventLoopGroup.register(Channel, ChannelPromise)
io.netty.channel.ThreadPerChannelEventLoopGroup.register(Channel, ChannelPromise)
io.netty.channel.ChannelConfig.setAutoClose(boolean) From version 5.0, `Channel` will not be closed on write failure. Sets whether the `Channel` should be closed automatically and immediately on write faillure. The default is `false`.
io.netty.channel.DefaultChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.ChannelConfig.setMaxMessagesPerRead(int) Use `MaxMessagesRecvByteBufAllocator` Sets the maximum number of messages to read per read loop. If this value is greater than 1, an event loop might attempt to read multiple times to procure multiple messages.
io.netty.channel.socket.oio.OioSocketChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.oio.OioServerSocketChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.oio.DefaultOioServerSocketChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.oio.DefaultOioSocketChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.SocketChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.DatagramChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.DefaultSocketChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.DefaultDatagramChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.DefaultServerSocketChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.ServerSocketChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.oio.AbstractOioChannel.setReadPending(boolean) Use `AbstractOioChannel.clearReadPending()` if appropriate instead. No longer supported.
io.netty.channel.socket.oio.OioSocketChannel.setReadPending(boolean)
io.netty.channel.socket.oio.OioServerSocketChannel.setReadPending(boolean)
io.netty.channel.socket.nio.NioDatagramChannel.setReadPending(boolean)
io.netty.channel.nio.AbstractNioChannel.setReadPending(boolean) Use `AbstractNioChannel.clearReadPending()` if appropriate instead. No longer supported.
io.netty.channel.DefaultChannelConfig.setWriteBufferHighWaterMark(int)
io.netty.channel.ChannelConfig.setWriteBufferHighWaterMark(int) Use `ChannelConfig.setWriteBufferWaterMark(WriteBufferWaterMark)` Sets the high water mark of the write buffer. If the number of bytes queued in the write buffer exceeds this value, `Channel.isWritable()` will start to return `false`.
io.netty.channel.socket.oio.OioSocketChannelConfig.setWriteBufferHighWaterMark(int)
io.netty.channel.socket.oio.OioServerSocketChannelConfig.setWriteBufferHighWaterMark(int)
io.netty.channel.socket.oio.DefaultOioServerSocketChannelConfig.setWriteBufferHighWaterMark(int)
io.netty.channel.socket.oio.DefaultOioSocketChannelConfig.setWriteBufferHighWaterMark(int)
io.netty.channel.socket.DefaultSocketChannelConfig.setWriteBufferHighWaterMark(int)
io.netty.channel.socket.DefaultDatagramChannelConfig.setWriteBufferHighWaterMark(int)
io.netty.channel.socket.DefaultServerSocketChannelConfig.setWriteBufferHighWaterMark(int)
io.netty.channel.socket.ServerSocketChannelConfig.setWriteBufferHighWaterMark(int) Use `ServerSocketChannelConfig.setWriteBufferWaterMark(WriteBufferWaterMark)`
io.netty.channel.DefaultChannelConfig.setWriteBufferLowWaterMark(int)
io.netty.channel.ChannelConfig.setWriteBufferLowWaterMark(int) Use `ChannelConfig.setWriteBufferWaterMark(WriteBufferWaterMark)` Sets the low water mark of the write buffer. Once the number of bytes queued in the write buffer exceeded the high water mark and then dropped down below this value, `Channel.isWritable()` will start to return `true` again.
io.netty.channel.socket.oio.OioSocketChannelConfig.setWriteBufferLowWaterMark(int)
io.netty.channel.socket.oio.OioServerSocketChannelConfig.setWriteBufferLowWaterMark(int)
io.netty.channel.socket.oio.DefaultOioServerSocketChannelConfig.setWriteBufferLowWaterMark(int)
io.netty.channel.socket.oio.DefaultOioSocketChannelConfig.setWriteBufferLowWaterMark(int)
io.netty.channel.socket.DefaultSocketChannelConfig.setWriteBufferLowWaterMark(int)
io.netty.channel.socket.DefaultDatagramChannelConfig.setWriteBufferLowWaterMark(int)
io.netty.channel.socket.DefaultServerSocketChannelConfig.setWriteBufferLowWaterMark(int)
io.netty.channel.socket.ServerSocketChannelConfig.setWriteBufferLowWaterMark(int) Use `ServerSocketChannelConfig.setWriteBufferWaterMark(WriteBufferWaterMark)`
io.netty.channel.ThreadPerChannelEventLoopGroup.shutdown()
io.netty.channel.DefaultFileRegion.transfered()
io.netty.channel.FileRegion.transfered() Use `FileRegion.transferred()` instead.

Deprecated Constructors
Constructor and Description
io.netty.channel.ChannelOption(String)
io.netty.channel.socket.oio.DefaultOioServerSocketChannelConfig(ServerSocketChannel, ServerSocket)
io.netty.channel.socket.oio.DefaultOioSocketChannelConfig(SocketChannel, Socket)

Deprecated API

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