/** * * @param extension * @param block * @return */ private long getStartTimeOfDeltaFile(String extension, SegmentUpdateDetails block) { long startTimestamp; switch (extension) { case CarbonCommonConstants.DELETE_DELTA_FILE_EXT: startTimestamp = block.getDeleteDeltaStartTimeAsLong(); break; default: startTimestamp = 0; } return startTimestamp; }