private void updateRecoveredEntry(DiskRegionView drv, DiskEntry de, DiskEntry.RecoveredEntry re) {
    if (getOplogId() != re.getOplogId()) {
      Oplog oldOplog = getOplogSet().getChild(re.getOplogId());
      oldOplog.rmLive(drv, de);
      initRecoveredEntry(drv, de);
    } else {
      getDRI(drv).update(de);
    }
  }
The oplogId in re points to the oldOplogId. "this" oplog is the current oplog.
geode-core/src/main/java/org/apache/geode/internal/cache/Oplog.java