content: package com.alibaba.tesla.tkgone.server.services.database.elasticsearch.elasticsearchgrammar;
  
  /**
   * 封装集合范围判断预算符
   *
   * @author feiquan
   */
  public enum RangeType {
      /**
       * start <= x < end
       * 适用于大部份时间匹配场景，由其是按天查询
       * 为了兼容之前的配置方式
       */
      DEFAULT("range", "gte", "lt"),
      /**
       * 等同 DEFAULT
       */
      INCLUDE_START("rangeStart", "gte", "lt"),
      /**
       * start < x <= end
       * 几乎不会用
       */
      INCLUDE_END("rangeEnd", "gt", "lte"),
      /**
       * start <= x <= end
       * 适用于非时间，或时间已经细化到了毫秒的查询
       */
      INCLUDE_ALL("rangeAll", "gte", "lte"),
      /**
       * start < x < end
       * 几乎不会用
       */
      EXCLUDE_ALL("rangeMiddle", "gt", "lt");
  
      private String key;
      private String startOper;
      private String endOper;
  
      RangeType(String key, String startOper, String endOper) {
          this.key = key;
          this.startOper = startOper;
          this.endOper = endOper;
      }
  
      public String getKey() {
          return key;
      }
  
      public String getStartOper() {
          return startOper;
      }
  
      public String getEndOper() {
          return endOper;
      }
  }
  