/*
* Copyright (C) 2012-2016 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.facebook.nifty.core;
import org.jboss.netty.channel.ChannelEvent;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.Channels;
import org.jboss.netty.channel.SimpleChannelDownstreamHandler;
/**
* Dispatches downstream messages from the worker threads to the IO threads,
* so that code in IO threads do not have to worry about downstream paths
* being invoked from multiple threads.
*/
public class NiftyIODispatcher extends SimpleChannelDownstreamHandler {
@Override
public void handleDownstream(ChannelHandlerContext ctx, ChannelEvent e) throws Exception {
ctx.getPipeline().execute(new Runnable() {
@Override
public void run() {
try {
NiftyIODispatcher.super.handleDownstream(ctx, e);
}
catch (Exception ex) {
Channels.fireExceptionCaught(ctx.getChannel(), ex);
}
}
});
}
}