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1   /*
2    * Copyright 2012 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  
17  package org.jboss.netty.channel.socket.oio;
18  
19  import org.jboss.netty.channel.AbstractChannelSink;
20  import org.jboss.netty.channel.Channel;
21  import org.jboss.netty.channel.ChannelEvent;
22  import org.jboss.netty.channel.ChannelFuture;
23  import org.jboss.netty.channel.ChannelPipeline;
24  import org.jboss.netty.channel.socket.ChannelRunnableWrapper;
25  import org.jboss.netty.channel.socket.Worker;
26  
27  public abstract class AbstractOioChannelSink extends AbstractChannelSink {
28  
29      @Override
30      public ChannelFuture execute(final ChannelPipeline pipeline, final Runnable task) {
31          Channel ch = pipeline.getChannel();
32          if (ch instanceof AbstractOioChannel) {
33              AbstractOioChannel channel = (AbstractOioChannel) ch;
34              Worker worker = channel.worker;
35              if (worker != null) {
36                  ChannelRunnableWrapper wrapper = new ChannelRunnableWrapper(pipeline.getChannel(), task);
37                  channel.worker.executeInIoThread(wrapper);
38                  return wrapper;
39              }
40          }
41  
42          return super.execute(pipeline, task);
43      }
44  
45      @Override
46      protected boolean isFireExceptionCaughtLater(ChannelEvent event, Throwable actualCause) {
47          Channel channel = event.getChannel();
48          boolean fireLater = false;
49          if (channel instanceof AbstractOioChannel) {
50              fireLater = !AbstractOioWorker.isIoThread((AbstractOioChannel) channel);
51          }
52          return fireLater;
53      }
54  
55  }