コード例 #1
0
ファイル: TrackedFileSummary.java プロジェクト: nologic/nabs
  /** Adds the obsolete offsets as well as the totals of the given object. */
  void addTrackedSummary(TrackedFileSummary other) {

    /* Add the totals. */
    add(other);

    /*
     * Add the offsets and the memory used [#15505] by the other tracker.
     * The memory budget has already been updated for the offsets to be
     * added, so we only need to account for a possible difference of one
     * segment when we merge them.
     */
    memSize += other.memSize;
    if (other.obsoleteOffsets != null) {
      if (obsoleteOffsets != null) {
        /* Merge the other offsets into our list. */
        if (obsoleteOffsets.merge(other.obsoleteOffsets)) {
          /* There is one segment less as a result of the merge. */
          updateMemoryBudget(-MemoryBudget.TFS_LIST_SEGMENT_OVERHEAD);
        }
      } else {
        /* Adopt the other's offsets as our own. */
        obsoleteOffsets = other.obsoleteOffsets;
      }
    }
  }
コード例 #2
0
ファイル: TrackedFileSummary.java プロジェクト: nologic/nabs
  /**
   * Returns whether the given offset is present in the tracked offsets. This does not indicate
   * whether the offset is obsolete in general, but only if it is known to be obsolete in this
   * version of the tracked information.
   */
  boolean containsObsoleteOffset(long offset) {

    if (obsoleteOffsets != null) {
      return obsoleteOffsets.contains(offset);
    } else {
      return false;
    }
  }
コード例 #3
0
ファイル: TrackedFileSummary.java プロジェクト: nologic/nabs
  /** Returns obsolete offsets as an array of longs, or null if none. */
  public long[] getObsoleteOffsets() {

    if (obsoleteOffsets != null) {
      return obsoleteOffsets.toArray();
    } else {
      return null;
    }
  }
コード例 #4
0
ファイル: TrackedFileSummary.java プロジェクト: nologic/nabs
  /**
   * Tracks the given offset as obsolete or non-obsolete.
   *
   * <p>Must be called under the log write latch.
   */
  void trackObsolete(long offset) {

    if (!trackDetail) {
      return;
    }
    int adjustMem = 0;
    if (obsoleteOffsets == null) {
      obsoleteOffsets = new OffsetList();
      adjustMem += MemoryBudget.TFS_LIST_INITIAL_OVERHEAD;
    }
    if (obsoleteOffsets.add(offset, tracker.getEnvironment().isOpen())) {
      adjustMem += MemoryBudget.TFS_LIST_SEGMENT_OVERHEAD;
    }
    if (adjustMem != 0) {
      updateMemoryBudget(adjustMem);
    }
  }