content: /*
   * Copyright (C) 2010-2101 Alibaba Group Holding Limited.
   *
   * 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.alibaba.otter.shared.arbitrate.demo.servcie;
  
  import java.util.Map;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  import java.util.concurrent.Future;
  
  import com.alibaba.otter.shared.arbitrate.ArbitrateEventService;
  import com.alibaba.otter.shared.arbitrate.model.MainStemEventData;
  import com.google.common.collect.Maps;
  
  /**
   * @author jianghang 2011-9-22 下午04:33:34
   * @version 4.0.0
   */
  public class MainStemServiceDemo implements PipelineLifeCycle {
  
      private ArbitrateEventService arbitrateEventService;
      private ExecutorService       executor = Executors.newCachedThreadPool();
      private Map<Long, Future>     threads  = Maps.newConcurrentMap();
  
      public MainStemServiceDemo(){
  
      }
  
      public void submit(Long pipelineId) {
          if (threads.containsKey(pipelineId)) {
              throw new IllegalArgumentException("pipeline is dup!");
          }
  
          Future future = executor.submit(new MainStemWorker(pipelineId));
          threads.put(pipelineId, future);
      }
  
      public void destory(Long pipelineId) {
          if (!threads.containsKey(pipelineId)) {
              throw new IllegalArgumentException("pipeline is not exist!");
          }
  
          Future future = threads.get(pipelineId);
          future.cancel(true);
      }
  
      private class MainStemWorker implements Runnable {
  
          private Long pipelineId;
  
          public MainStemWorker(Long pipelineId){
              this.pipelineId = pipelineId;
          }
  
          @Override
          public void run() {
              try {
                  arbitrateEventService.mainStemEvent().await(pipelineId);
                  Thread.sleep(1000L);
                  MainStemEventData eventData = new MainStemEventData();
                  eventData.setPipelineId(pipelineId);
                  eventData.setStatus(MainStemEventData.Status.OVERTAKE);
                  arbitrateEventService.mainStemEvent().single(eventData);
                  while (true) {
                      // 处理eromanga的数据，这里通过sleep进行模拟
                      Thread.sleep(10 * 1000);
                  }
              } catch (InterruptedException e) {
                  // 退出
              }
          }
      }
  
      public void setArbitrateEventService(ArbitrateEventService arbitrateEventService) {
          this.arbitrateEventService = arbitrateEventService;
      }
  
  }
  