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.manager.web.home.module.screen.api;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import javax.annotation.Resource;
  
  import com.alibaba.citrus.turbine.dataresolver.Param;
  import com.alibaba.otter.manager.biz.statistics.delay.DelayStatService;
  import com.alibaba.otter.manager.biz.statistics.delay.param.TopDelayStat;
  import com.alibaba.otter.manager.biz.statistics.delay.param.TopDelayStat.DataStat;
  import com.alibaba.otter.manager.biz.statistics.throughput.ThroughputStatService;
  import com.alibaba.otter.shared.common.model.statistics.throughput.ThroughputStat;
  import com.alibaba.otter.shared.common.model.statistics.throughput.ThroughputType;
  import com.alibaba.otter.shared.common.utils.JsonUtils;
  
  public class TopDelay extends AbstractJsonScreen<String> {
  
      @Resource(name = "throughputStatService")
      private ThroughputStatService throughputStatService;
  
      @Resource(name = "delayStatService")
      private DelayStatService      delayStatService;
  
      public void execute(@Param("searchKey") String searchKey, @Param("topN") int topN, @Param("statTime") int minute) {
          try {
              if (topN <= 0) {
                  topN = 10;
              }
  
              if (minute <= 0) {
                  minute = 1;
              }
  
              List<TopDelayStat> tops = delayStatService.listTopDelayStat(searchKey, topN);
  
              List<Long> pipelineIds = new ArrayList<Long>();
              for (TopDelayStat top : tops) {
                  top.setStatTime(Long.valueOf(minute));
                  pipelineIds.add(top.getPipelineId());
              }
  
              List<ThroughputStat> stats = throughputStatService.listRealtimeThroughputByPipelineIds(pipelineIds, minute);
              for (ThroughputStat stat : stats) {
                  for (TopDelayStat top : tops) {
                      if (stat.getPipelineId().equals(top.getPipelineId())) {
                          DataStat s = new DataStat(stat.getNumber(), stat.getSize());
                          if (ThroughputType.FILE == stat.getType()) {
                              top.setFileStat(s);
                          } else if (ThroughputType.ROW == stat.getType()) {
                              top.setDbStat(s);
                          }
                          break;
                      }
                  }
              }
  
              returnSuccess(JsonUtils.marshalToString(tops));
          } catch (Exception e) {
              String errorMsg = String.format("error happens while searchKey[%s] topN [%d]", searchKey, topN);
              log.error(errorMsg, e);
              returnError(errorMsg);
          }
      }
  }
  