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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      }
    41
    42      @Override
    43      protected boolean isFireExceptionCaughtLater(ChannelEvent event, Throwable actualCause) {
    44          Channel channel = event.getChannel();
    45          boolean fireLater = false;
    46          if (channel instanceof AbstractNioChannel<?>) {
    47              fireLater =  !AbstractNioWorker.isIoThread((AbstractNioChannel<?>) channel);
    48          }
    49          return fireLater;
    50      }
    51
    52  }