示例#1
0
  private long addBackedUpSeconds(long lowWatermark, int backupSecs, String watermarkType) {
    if (lowWatermark == ConfigurationKeys.DEFAULT_WATERMARK_VALUE) {
      return lowWatermark;
    }
    WatermarkType wmType = WatermarkType.valueOf(watermarkType.toUpperCase());

    switch (wmType) {
      case SIMPLE:
        return lowWatermark + backupSecs;
      default:
        Date lowWaterMarkDate = Utils.toDate(lowWatermark, "yyyyMMddHHmmss");
        return Long.parseLong(
            Utils.dateToString(
                Utils.addSecondsToDate(lowWaterMarkDate, backupSecs), "yyyyMMddHHmmss"));
    }
  }
示例#2
0
  /**
   * Get low water mark from the given work unit state.
   *
   * @param workUnitState Work unit state
   * @return latest low water mark
   */
  private long getLowWatermarkFromWorkUnit(WorkUnitState workUnitState) {
    String watermarkType =
        workUnitState.getProp(
            ConfigurationKeys.SOURCE_QUERYBASED_WATERMARK_TYPE,
            ConfigurationKeys.DEFAULT_WATERMARK_TYPE);
    long lowWaterMark = workUnitState.getWorkunit().getLowWaterMark();

    if (lowWaterMark == ConfigurationKeys.DEFAULT_WATERMARK_VALUE) {
      return lowWaterMark;
    }

    WatermarkType wmType = WatermarkType.valueOf(watermarkType.toUpperCase());
    int deltaNum = new WatermarkPredicate(wmType).getDeltaNumForNextWatermark();

    switch (wmType) {
      case SIMPLE:
        return lowWaterMark - deltaNum;
      default:
        Date lowWaterMarkDate = Utils.toDate(lowWaterMark, "yyyyMMddHHmmss");
        return Long.parseLong(
            Utils.dateToString(
                Utils.addSecondsToDate(lowWaterMarkDate, deltaNum * -1), "yyyyMMddHHmmss"));
    }
  }