Class HandlerSubscriber<T>
java.lang.Object
io.netty.channel.ChannelHandlerAdapter
io.netty.channel.ChannelInboundHandlerAdapter
io.netty.channel.ChannelDuplexHandler
software.amazon.awssdk.http.nio.netty.internal.nrs.HandlerSubscriber<T>
- All Implemented Interfaces:
io.netty.channel.ChannelHandler
,io.netty.channel.ChannelInboundHandler
,io.netty.channel.ChannelOutboundHandler
,org.reactivestreams.Subscriber<T>
public class HandlerSubscriber<T>
extends io.netty.channel.ChannelDuplexHandler
implements org.reactivestreams.Subscriber<T>
Subscriber that publishes received messages to the handler pipeline.
This class contains source imported from https://github.com/playframework/netty-reactive-streams,
licensed under the Apache License 2.0, available at the time of the fork (1/31/2020) here:
https://github.com/playframework/netty-reactive-streams/blob/master/LICENSE.txt
All original source licensed under the Apache License 2.0 by playframework. All modifications are
licensed under the Apache License 2.0 by Amazon Web Services.
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Nested Class Summary
Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler
io.netty.channel.ChannelHandler.Sharable
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Constructor Summary
ConstructorDescriptionHandlerSubscriber
(io.netty.util.concurrent.EventExecutor executor) Create a new handler subscriber with the default low and high watermarks.HandlerSubscriber
(io.netty.util.concurrent.EventExecutor executor, long demandLowWatermark, long demandHighWatermark) Create a new handler subscriber. -
Method Summary
Modifier and TypeMethodDescriptionvoid
channelActive
(io.netty.channel.ChannelHandlerContext ctx) void
channelInactive
(io.netty.channel.ChannelHandlerContext ctx) void
channelRegistered
(io.netty.channel.ChannelHandlerContext ctx) void
channelWritabilityChanged
(io.netty.channel.ChannelHandlerContext ctx) void
exceptionCaught
(io.netty.channel.ChannelHandlerContext ctx, Throwable cause) void
handlerAdded
(io.netty.channel.ChannelHandlerContext ctx) void
handlerRemoved
(io.netty.channel.ChannelHandlerContext ctx) void
void
void
void
onSubscribe
(org.reactivestreams.Subscription subscription) Methods inherited from class io.netty.channel.ChannelDuplexHandler
bind, close, connect, deregister, disconnect, flush, read, write
Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter
channelRead, channelReadComplete, channelUnregistered, userEventTriggered
Methods inherited from class io.netty.channel.ChannelHandlerAdapter
isSharable
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Constructor Details
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HandlerSubscriber
public HandlerSubscriber(io.netty.util.concurrent.EventExecutor executor, long demandLowWatermark, long demandHighWatermark) Create a new handler subscriber. The supplied executor must be the same event loop as the event loop that this handler is eventually registered with, if not, an exception will be thrown when the handler is registered.- Parameters:
executor
- The executor to execute asynchronous events from the publisher on.demandLowWatermark
- The low watermark for demand. When demand drops below this, more will be requested.demandHighWatermark
- The high watermark for demand. This is the maximum that will be requested.
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HandlerSubscriber
public HandlerSubscriber(io.netty.util.concurrent.EventExecutor executor) Create a new handler subscriber with the default low and high watermarks. The supplied executor must be the same event loop as the event loop that this handler is eventually registered with, if not, an exception will be thrown when the handler is registered.- Parameters:
executor
- The executor to execute asynchronous events from the publisher on.- See Also:
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Method Details
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handlerAdded
- Specified by:
handlerAdded
in interfaceio.netty.channel.ChannelHandler
- Overrides:
handlerAdded
in classio.netty.channel.ChannelHandlerAdapter
- Throws:
Exception
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channelRegistered
- Specified by:
channelRegistered
in interfaceio.netty.channel.ChannelInboundHandler
- Overrides:
channelRegistered
in classio.netty.channel.ChannelInboundHandlerAdapter
- Throws:
Exception
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channelWritabilityChanged
- Specified by:
channelWritabilityChanged
in interfaceio.netty.channel.ChannelInboundHandler
- Overrides:
channelWritabilityChanged
in classio.netty.channel.ChannelInboundHandlerAdapter
- Throws:
Exception
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channelActive
- Specified by:
channelActive
in interfaceio.netty.channel.ChannelInboundHandler
- Overrides:
channelActive
in classio.netty.channel.ChannelInboundHandlerAdapter
- Throws:
Exception
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channelInactive
- Specified by:
channelInactive
in interfaceio.netty.channel.ChannelInboundHandler
- Overrides:
channelInactive
in classio.netty.channel.ChannelInboundHandlerAdapter
- Throws:
Exception
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handlerRemoved
- Specified by:
handlerRemoved
in interfaceio.netty.channel.ChannelHandler
- Overrides:
handlerRemoved
in classio.netty.channel.ChannelHandlerAdapter
- Throws:
Exception
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exceptionCaught
public void exceptionCaught(io.netty.channel.ChannelHandlerContext ctx, Throwable cause) throws Exception - Specified by:
exceptionCaught
in interfaceio.netty.channel.ChannelHandler
- Specified by:
exceptionCaught
in interfaceio.netty.channel.ChannelInboundHandler
- Overrides:
exceptionCaught
in classio.netty.channel.ChannelInboundHandlerAdapter
- Throws:
Exception
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onSubscribe
public void onSubscribe(org.reactivestreams.Subscription subscription) - Specified by:
onSubscribe
in interfaceorg.reactivestreams.Subscriber<T>
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onNext
- Specified by:
onNext
in interfaceorg.reactivestreams.Subscriber<T>
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onError
- Specified by:
onError
in interfaceorg.reactivestreams.Subscriber<T>
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onComplete
public void onComplete()- Specified by:
onComplete
in interfaceorg.reactivestreams.Subscriber<T>
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