Deprecated List (Netty/Transport 4.1.27.Final API)

Deprecated Interfaces
Interface and Description
io.netty.bootstrap.ChannelFactory Use `ChannelFactory` instead.
io.netty.channel.RecvByteBufAllocator.Handle Use `RecvByteBufAllocator.ExtendedHandle`.

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.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<T>) Use `AttributeMap.attr(AttributeKey)`
io.netty.bootstrap.AbstractBootstrap.channelFactory(ChannelFactory<? extends C>) 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.bootstrap.AbstractBootstrap.group() Use `AbstractBootstrap.config()` instead.
io.netty.channel.ChannelHandlerContext.hasAttr(AttributeKey<T>) Use `AttributeMap.hasAttr(AttributeKey)`
io.netty.channel.AbstractChannel.invalidateLocalAddress() no use-case for this.
io.netty.channel.AbstractChannel.invalidateRemoteAddress() no use-case for this.
io.netty.channel.nio.AbstractNioChannel.isReadPending() No longer supported. No longer supported.
io.netty.channel.oio.AbstractOioChannel.isReadPending() No longer supported. No longer supported.
io.netty.channel.embedded.EmbeddedChannel.lastInboundBuffer() use `inboundMessages()`
io.netty.channel.embedded.EmbeddedChannel.lastOutboundBuffer() use `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.ThreadPerChannelEventLoop.register(Channel, ChannelPromise)
io.netty.channel.ThreadPerChannelEventLoopGroup.register(Channel, ChannelPromise)
io.netty.channel.MultithreadEventLoopGroup.register(Channel, ChannelPromise)
io.netty.channel.EventLoopGroup.register(Channel, ChannelPromise) Use `EventLoopGroup.register(ChannelPromise)` instead.
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.DefaultSocketChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.SocketChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.DatagramChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.ServerSocketChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.DefaultServerSocketChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.DefaultDatagramChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.oio.DefaultOioServerSocketChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.oio.OioSocketChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.oio.OioServerSocketChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.oio.DefaultOioSocketChannelConfig.setMaxMessagesPerRead(int)
io.netty.channel.socket.nio.NioDatagramChannel.setReadPending(boolean)
io.netty.channel.socket.oio.OioSocketChannel.setReadPending(boolean)
io.netty.channel.socket.oio.OioServerSocketChannel.setReadPending(boolean)
io.netty.channel.nio.AbstractNioChannel.setReadPending(boolean) Use `AbstractNioChannel.clearReadPending()` if appropriate instead. No longer supported.
io.netty.channel.oio.AbstractOioChannel.setReadPending(boolean) Use `AbstractOioChannel.clearReadPending()` if appropriate instead. No longer supported.
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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