code: /*
   * 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 org.apache.skywalking.oap.server.storage.plugin.elasticsearch.query;
  
  import org.apache.skywalking.library.elasticsearch.requests.search.BoolQueryBuilder;
  import org.apache.skywalking.library.elasticsearch.requests.search.Query;
  import org.apache.skywalking.library.elasticsearch.requests.search.Search;
  import org.apache.skywalking.library.elasticsearch.requests.search.SearchBuilder;
  import org.apache.skywalking.library.elasticsearch.requests.search.Sort;
  import org.apache.skywalking.library.elasticsearch.response.search.SearchHit;
  import org.apache.skywalking.library.elasticsearch.response.search.SearchResponse;
  import org.apache.skywalking.oap.server.core.profiling.ebpf.storage.EBPFProfilingScheduleRecord;
  import org.apache.skywalking.oap.server.core.query.type.EBPFProfilingSchedule;
  import org.apache.skywalking.oap.server.core.storage.profiling.ebpf.IEBPFProfilingScheduleDAO;
  import org.apache.skywalking.oap.server.library.client.elasticsearch.ElasticSearchClient;
  import org.apache.skywalking.oap.server.storage.plugin.elasticsearch.StorageModuleElasticsearchConfig;
  import org.apache.skywalking.oap.server.storage.plugin.elasticsearch.base.EsDAO;
  import org.apache.skywalking.oap.server.storage.plugin.elasticsearch.base.IndexController;
  
  import java.io.IOException;
  import java.util.List;
  import java.util.stream.Collectors;
  
  public class EBPFProfilingScheduleEsDAO extends EsDAO implements IEBPFProfilingScheduleDAO {
      private final int scheduleTaskSize;
  
      public EBPFProfilingScheduleEsDAO(ElasticSearchClient client, StorageModuleElasticsearchConfig config) {
          super(client);
          this.scheduleTaskSize = config.getProfileTaskQueryMaxSize();
      }
  
      @Override
      public List<EBPFProfilingSchedule> querySchedules(String taskId) throws IOException {
          final String index =
                  IndexController.LogicIndicesRegister.getPhysicalTableName(EBPFProfilingScheduleRecord.INDEX_NAME);
          final BoolQueryBuilder query = Query.bool();
          if (IndexController.LogicIndicesRegister.isMergedTable(EBPFProfilingScheduleRecord.INDEX_NAME)) {
              query.must(Query.term(IndexController.LogicIndicesRegister.METRIC_TABLE_NAME, EBPFProfilingScheduleRecord.INDEX_NAME));
          }
          query.must(Query.term(EBPFProfilingScheduleRecord.TASK_ID, taskId));
          query.must(Query.range(EBPFProfilingScheduleRecord.START_TIME));
          final SearchBuilder search = Search.builder().query(query)
                  .sort(EBPFProfilingScheduleRecord.START_TIME, Sort.Order.DESC)
                  .size(scheduleTaskSize);
  
          final SearchResponse response = getClient().search(index, search.build());
          return response.getHits().getHits().stream().map(this::parseSchedule).collect(Collectors.toList());
      }
  
      private EBPFProfilingSchedule parseSchedule(final SearchHit hit) {
          final EBPFProfilingSchedule schedule = new EBPFProfilingSchedule();
          schedule.setScheduleId((String) hit.getSource().get(EBPFProfilingScheduleRecord.EBPF_PROFILING_SCHEDULE_ID));
          schedule.setTaskId((String) hit.getSource().get(EBPFProfilingScheduleRecord.TASK_ID));
          schedule.setProcessId((String) hit.getSource().get(EBPFProfilingScheduleRecord.PROCESS_ID));
          schedule.setStartTime(((Number) hit.getSource().get(EBPFProfilingScheduleRecord.START_TIME)).longValue());
          schedule.setEndTime(((Number) hit.getSource().get(EBPFProfilingScheduleRecord.END_TIME)).longValue());
          return schedule;
      }
  }
  