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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.nio;
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  
26  public abstract class AbstractNioChannelSink extends AbstractChannelSink {
27  
28      @Override
29      public ChannelFuture execute(ChannelPipeline pipeline, final Runnable task) {
30          Channel ch = pipeline.getChannel();
31          if (ch instanceof AbstractNioChannel<?>) {
32              AbstractNioChannel<?> channel = (AbstractNioChannel<?>) ch;
33              ChannelRunnableWrapper wrapper = new ChannelRunnableWrapper(pipeline.getChannel(), task);
34              channel.worker.executeInIoThread(wrapper);
35              return wrapper;
36          }
37          return super.execute(pipeline, task);
38      }
39  
40      @Override
41      protected boolean isFireExceptionCaughtLater(ChannelEvent event, Throwable actualCause) {
42          Channel channel = event.getChannel();
43          boolean fireLater = false;
44          if (channel instanceof AbstractNioChannel<?>) {
45              fireLater =  !AbstractNioWorker.isIoThread((AbstractNioChannel<?>) channel);
46          }
47          return fireLater;
48      }
49  }