content: /*
   * Copyright [2021-present] [ahoo wang <ahoowang@qq.com> (https://github.com/Ahoo-Wang)].
   * 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 me.ahoo.cosid.mongo;
  
  import com.mongodb.client.model.Updates;
  import org.bson.Document;
  import org.bson.conversions.Bson;
  
  public interface IdSegmentOperates {
      String LAST_MAX_ID_FIELD = "lastMaxId";
      String LAST_FETCH_TIME_FIELD = "lastFetchTime";
      
      static Bson incrementAndGetUpdates(long step) {
          return Updates.combine(
              Updates.inc(LAST_MAX_ID_FIELD, step),
              Updates.set(LAST_FETCH_TIME_FIELD, System.currentTimeMillis())
          );
      }
      
      static Document ensureIdSegmentDocument(String segmentName, long offset) {
          return new Document()
              .append(Documents.ID_FIELD, segmentName)
              .append(LAST_MAX_ID_FIELD, offset)
              .append(LAST_FETCH_TIME_FIELD, 0L);
      }
  }
  