content: /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.alibaba.jstorm.task.execute.spout;
  
  import backtype.storm.utils.DisruptorQueue;
  import com.alibaba.jstorm.task.TaskBaseMetric;
  import com.alibaba.jstorm.task.comm.TupleInfo;
  import com.alibaba.jstorm.utils.ExpiredCallback;
  import java.util.Map;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class SpoutTimeoutCallBack<K, V> implements ExpiredCallback<K, V> {
      private static Logger LOG = LoggerFactory.getLogger(SpoutTimeoutCallBack.class);
  
      private DisruptorQueue disruptorEventQueue;
      private backtype.storm.spout.ISpout spout;
      private Map stormConf;
      private TaskBaseMetric taskStats;
  
      public SpoutTimeoutCallBack(DisruptorQueue disruptorEventQueue, backtype.storm.spout.ISpout _spout,
                                  Map _storm_conf, TaskBaseMetric stat) {
          this.stormConf = _storm_conf;
          this.disruptorEventQueue = disruptorEventQueue;
          this.spout = _spout;
          this.taskStats = stat;
      }
  
      /**
       * pending.put(root_id, JStormUtils.mk_list(message_id, TupleInfo, ms));
       */
      @Override
      public void expire(K key, V val) {
          if (val == null) {
              return;
          }
          try {
              TupleInfo tupleInfo = (TupleInfo) val;
              FailSpoutMsg fail = new FailSpoutMsg(key, spout, tupleInfo, taskStats);
  
              disruptorEventQueue.publish(fail);
          } catch (Exception e) {
              LOG.error("expire error", e);
          }
      }
  }
  