text: /*
   * Copyright 2017 NAVER Corp.
   *
   * 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.navercorp.pinpoint.web.dao.hbase;
  
  import com.navercorp.pinpoint.common.server.bo.codec.stat.join.CpuLoadDecoder;
  import com.navercorp.pinpoint.common.server.bo.stat.join.JoinCpuLoadBo;
  import com.navercorp.pinpoint.common.server.bo.stat.join.StatType;
  import com.navercorp.pinpoint.web.dao.ApplicationCpuLoadDao;
  import com.navercorp.pinpoint.web.mapper.stat.ApplicationStatMapper;
  import com.navercorp.pinpoint.web.mapper.stat.SampledApplicationStatResultExtractor;
  import com.navercorp.pinpoint.web.mapper.stat.sampling.sampler.ApplicationStatSampler;
  import com.navercorp.pinpoint.web.util.TimeWindow;
  import com.navercorp.pinpoint.web.vo.Range;
  import com.navercorp.pinpoint.web.vo.stat.AggreJoinCpuLoadBo;
  import com.navercorp.pinpoint.web.vo.stat.AggregationStatData;
  import org.springframework.stereotype.Repository;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Objects;
  
  /**
   * @author minwoo.jung
   */
  @Repository
  public class HbaseApplicationCpuLoadDao implements ApplicationCpuLoadDao {
  
      private final CpuLoadDecoder cpuLoadDecoder;
  
      private final ApplicationStatSampler<JoinCpuLoadBo> cpuLoadSampler;
  
      private final HbaseApplicationStatDaoOperations operations;
  
      public HbaseApplicationCpuLoadDao(CpuLoadDecoder cpuLoadDecoder, ApplicationStatSampler<JoinCpuLoadBo> cpuLoadSampler, HbaseApplicationStatDaoOperations operations) {
          this.cpuLoadDecoder = Objects.requireNonNull(cpuLoadDecoder, "cpuLoadDecoder");
          this.cpuLoadSampler = Objects.requireNonNull(cpuLoadSampler, "cpuLoadSampler");
          this.operations = Objects.requireNonNull(operations, "operations");
      }
  
      @Override
      public List<AggreJoinCpuLoadBo> getApplicationStatList(String applicationId, TimeWindow timeWindow) {
          long scanFrom = timeWindow.getWindowRange().getFrom();
          long scanTo = timeWindow.getWindowRange().getTo() + timeWindow.getWindowSlotSize();
          Range range = Range.newRange(scanFrom, scanTo);
          ApplicationStatMapper mapper = operations.createRowMapper(cpuLoadDecoder, range);
          SampledApplicationStatResultExtractor resultExtractor = new SampledApplicationStatResultExtractor(timeWindow, mapper, cpuLoadSampler);
          List<AggregationStatData> aggregationStatDataList = operations.getSampledStatList(StatType.APP_CPU_LOAD, resultExtractor, applicationId, range);
          return cast(aggregationStatDataList);
      }
  
      private List<AggreJoinCpuLoadBo> cast(List<AggregationStatData> aggregationStatDataList) {
          List<AggreJoinCpuLoadBo> aggreJoinCpuLoadBoList = new ArrayList<>(aggregationStatDataList.size());
  
          for (AggregationStatData aggregationStatData : aggregationStatDataList) {
              aggreJoinCpuLoadBoList.add((AggreJoinCpuLoadBo) aggregationStatData);
          }
  
          return aggreJoinCpuLoadBoList;
      }
  }
  