45 lines
1.6 KiB
Java
45 lines
1.6 KiB
Java
/*
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* Copyright 2009 Red Hat, Inc.
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*
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* Red Hat licenses this file to you under the Apache License, version 2.0
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* (the "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.channel;
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/**
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* Receives and processes the terminal downstream {@link ChannelEvent}s.
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* <p>
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* A {@link ChannelSink} is an internal component which is supposed to be
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* implemented by a transport provider. Most users will not see this type
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* in their code.
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*
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* @author <a href="http://netty.io/">The Netty Project</a>
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* @author <a href="http://gleamynode.net/">Trustin Lee</a>
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*
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* @apiviz.uses io.netty.channel.ChannelPipeline - - sends events upstream
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*/
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public interface ChannelSink {
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/**
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* Invoked by {@link ChannelPipeline} when a downstream {@link ChannelEvent}
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* has reached its terminal (the head of the pipeline).
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*/
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void eventSunk(ChannelPipeline pipeline, ChannelEvent e) throws Exception;
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/**
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* Invoked by {@link ChannelPipeline} when an exception was raised while
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* one of its {@link ChannelHandler}s process a {@link ChannelEvent}.
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*/
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void exceptionCaught(ChannelPipeline pipeline, ChannelEvent e, ChannelPipelineException cause) throws Exception;
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}
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