Package org.apache.hadoop.hdfs.server.namenode.snapshot

Examples of org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature$DirectoryDiffList

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  }

  @Override
  public ContentSummaryComputationContext computeContentSummary(
      ContentSummaryComputationContext summary) {
    final DirectoryWithSnapshotFeature sf = getDirectoryWithSnapshotFeature();
    if (sf != null) {
      sf.computeContentSummary4Snapshot(summary.getCounts());
    }
    final DirectoryWithQuotaFeature q = getDirectoryWithQuotaFeature();
    if (q != null) {
      return q.computeContentSummary(this, summary);
    } else {
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   *          The node to be added back
   * @throws QuotaExceededException should not throw this exception
   */
  public void undoRename4ScrParent(final INodeReference oldChild,
      final INode newChild) throws QuotaExceededException {
    DirectoryWithSnapshotFeature sf = getDirectoryWithSnapshotFeature();
    Preconditions.checkState(sf != null,
        "Directory does not have snapshot feature");
    sf.getDiffs().removeChild(ListType.DELETED, oldChild);
    sf.getDiffs().replaceChild(ListType.CREATED, oldChild, newChild);
    addChild(newChild, true, Snapshot.CURRENT_STATE_ID);
  }
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   * (with OVERWRITE option) removes a file/dir from the dst tree, add it back
   * and delete possible record in the deleted list. 
   */
  public void undoRename4DstParent(final INode deletedChild,
      int latestSnapshotId) throws QuotaExceededException {
    DirectoryWithSnapshotFeature sf = getDirectoryWithSnapshotFeature();
    Preconditions.checkState(sf != null,
        "Directory does not have snapshot feature");
    boolean removeDeletedChild = sf.getDiffs().removeChild(ListType.DELETED,
        deletedChild);
    int sid = removeDeletedChild ? Snapshot.CURRENT_STATE_ID : latestSnapshotId;
    final boolean added = addChild(deletedChild, true, sid);
    // update quota usage if adding is successfully and the old child has not
    // been stored in deleted list before
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  }

  @Override
  public void destroyAndCollectBlocks(final BlocksMapUpdateInfo collectedBlocks,
      final List<INode> removedINodes) {
    final DirectoryWithSnapshotFeature sf = getDirectoryWithSnapshotFeature();
    if (sf != null) {
      sf.clear(this, collectedBlocks, removedINodes);
    }
    for (INode child : getChildrenList(Snapshot.CURRENT_STATE_ID)) {
      child.destroyAndCollectBlocks(collectedBlocks, removedINodes);
    }
    clear();
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  @Override
  public Quota.Counts cleanSubtree(final int snapshotId, int priorSnapshotId,
      final BlocksMapUpdateInfo collectedBlocks,
      final List<INode> removedINodes, final boolean countDiffChange)
      throws QuotaExceededException {
    DirectoryWithSnapshotFeature sf = getDirectoryWithSnapshotFeature();
    // there is snapshot data
    if (sf != null) {
      return sf.cleanDirectory(this, snapshotId, priorSnapshotId,
          collectedBlocks, removedINodes, countDiffChange);
    }
    // there is no snapshot data
    if (priorSnapshotId == Snapshot.NO_SNAPSHOT_ID
        && snapshotId == Snapshot.CURRENT_STATE_ID) {
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Related Classes of org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature$DirectoryDiffList

  • org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffReportEntry
  • org.apache.hadoop.hdfs.server.namenode.ContentSummaryComputationContext
  • org.apache.hadoop.hdfs.server.namenode.FSImageFormat$Saver
  • org.apache.hadoop.hdfs.server.namenode.INode
  • org.apache.hadoop.hdfs.server.namenode.INodeDirectory
  • org.apache.hadoop.hdfs.server.namenode.INodeDirectoryAttributes
  • org.apache.hadoop.hdfs.server.namenode.INodeFile
  • org.apache.hadoop.hdfs.server.namenode.INodeReference
  • org.apache.hadoop.hdfs.server.namenode.INodeReference$DstReference
  • org.apache.hadoop.hdfs.server.namenode.INodeReference$WithName
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