/**
   * Converts the given DIN and its descendants.
   *
   * <p>Enter/leave with bin field latched, although bin field will change to last inserted slot.
   */
  private void convertDin(final DIN din, final byte[] binKey) {
    din.latch();
    try {
      for (int i = 0; i < din.getNEntries(); i += 1) {

        final IN child = din.fetchIN(i, CacheMode.DEFAULT);

        assert (!child.isBINDelta(false));

        if (child instanceof DBIN) {
          final DBIN dbin = (DBIN) child;
          dbin.latch();
          try {
            for (int j = 0; j < dbin.getNEntries(); j += 1) {
              if (!isLNDeleted(dbin, j)) {
                convertDbinSlot(dbin, j, binKey);
              }
            }
            assert dbin.verifyMemorySize();

            /* Count DBIN obsolete. */
            if (dbin.getLastLoggedLsn() != DbLsn.NULL_LSN) {
              localTracker.countObsoleteNodeInexact(
                  dbin.getLastLoggedLsn(), dbin.getLogType(), 0, dbin.getDatabase());
            }
          } finally {
            dbin.releaseLatch();
          }
        } else {
          convertDin((DIN) child, binKey);
        }

        /* Evict DIN child. */
        din.detachNode(i, false /*updateLsn*/, -1 /*lsn*/);
      }

      assert din.verifyMemorySize();

      /* Count DIN and DupCountLN obsolete. */
      if (din.getLastLoggedLsn() != DbLsn.NULL_LSN) {
        localTracker.countObsoleteNodeInexact(
            din.getLastLoggedLsn(), din.getLogType(), 0, din.getDatabase());
      }
      final ChildReference dupCountRef = din.getDupCountLNRef();
      if (dupCountRef != null && dupCountRef.getLsn() != DbLsn.NULL_LSN) {
        localTracker.countObsoleteNodeInexact(
            dupCountRef.getLsn(), LogEntryType.LOG_DUPCOUNTLN, 0, din.getDatabase());
      }
    } finally {
      din.releaseLatch();
    }
  }
Ejemplo n.º 2
0
  /**
   * Converts the given DIN and its descendants.
   *
   * <p>Enter/leave with bin field latched, although bin field will change to last inserted slot.
   */
  private void convertDin(final DIN din, final byte[] binKey) {
    din.latch();
    try {
      for (int i = 0; i < din.getNEntries(); i += 1) {
        final IN child = (IN) din.fetchTargetWithExclusiveLatch(i);
        if (child instanceof DBIN) {
          final DBIN dbin = (DBIN) child;
          dbin.latch();
          try {
            for (int j = 0; j < dbin.getNEntries(); j += 1) {
              if (!isLNDeleted(dbin, j)) {
                convertDbinSlot(dbin, j, binKey);
              }
            }
            assert dbin.verifyMemorySize();

            /* Count DBIN obsolete. */
            if (dbin.getLastLoggedVersion() != DbLsn.NULL_LSN) {
              localTracker.countObsoleteNodeInexact(
                  dbin.getLastLoggedVersion(), dbin.getLogType(), 0, dbin.getDatabase());
            }
          } finally {
            dbin.releaseLatch();
          }
        } else {
          convertDin((DIN) child, binKey);
        }

        /* Evict DIN child. */
        din.updateNode(i, null, null);
        envImpl.getInMemoryINs().remove(child);
      }
      assert din.verifyMemorySize();

      /* Count DIN and DupCountLN obsolete. */
      if (din.getLastLoggedVersion() != DbLsn.NULL_LSN) {
        localTracker.countObsoleteNodeInexact(
            din.getLastLoggedVersion(), din.getLogType(), 0, din.getDatabase());
      }
      final ChildReference dupCountRef = din.getDupCountLNRef();
      if (dupCountRef != null && dupCountRef.getLsn() != DbLsn.NULL_LSN) {
        localTracker.countObsoleteNodeInexact(
            dupCountRef.getLsn(), LogEntryType.LOG_DUPCOUNTLN, 0, din.getDatabase());
      }
    } finally {
      din.releaseLatch();
    }
  }