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

Examples of org.apache.hadoop.hdfs.server.namenode.snapshot.INodeDirectoryWithSnapshot

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      final INodeDirectory dir = nsQuota >= 0 || dsQuota >= 0?
          new INodeDirectoryWithQuota(inodeId, localName, permissions,
              modificationTime, nsQuota, dsQuota)
          : new INodeDirectory(inodeId, localName, permissions, modificationTime);
      return snapshottable ? new INodeDirectorySnapshottable(dir)
          : withSnapshot ? new INodeDirectoryWithSnapshot(dir)
          : dir;
    } else if (numBlocks == -2) {
      //symlink
      if (!FileSystem.isSymlinksEnabled()) {
        throw new IOException("Symlinks not supported - please remove symlink before upgrading to this version of HDFS");
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            }
          }
        } else if (referred instanceof INodeDirectoryWithSnapshot) {
          // similarly, if referred is a directory, it must be an
          // INodeDirectoryWithSnapshot
          INodeDirectoryWithSnapshot sdir =
              (INodeDirectoryWithSnapshot) referred;
          try {
            INodeDirectoryWithSnapshot.destroyDstSubtree(sdir, snapshot, prior,
                collectedBlocks, removedINodes);
          } catch (QuotaExceededException e) {
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      final INodeDirectory dir = nsQuota >= 0 || dsQuota >= 0?
          new INodeDirectoryWithQuota(inodeId, localName, permissions,
              modificationTime, nsQuota, dsQuota)
          : new INodeDirectory(inodeId, localName, permissions, modificationTime);
      return snapshottable ? new INodeDirectorySnapshottable(dir)
          : withSnapshot ? new INodeDirectoryWithSnapshot(dir)
          : dir;
    } else if (numBlocks == -2) {
      //symlink

      final String symlink = Text.readString(in);
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      final INodeDirectoryWithQuota q = new INodeDirectoryWithQuota(
          this, true, nsQuota, dsQuota);
      replaceSelf(q, inodeMap);
      return q;
    } else {
      final INodeDirectoryWithSnapshot s = new INodeDirectoryWithSnapshot(this);
      s.setQuota(nsQuota, dsQuota);
      return replaceSelf(s, inodeMap).saveSelf2Snapshot(latest, this);
    }
  }
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  }

  /** Replace itself with an {@link INodeDirectoryWithSnapshot}. */
  public INodeDirectoryWithSnapshot replaceSelf4INodeDirectoryWithSnapshot(
      final INodeMap inodeMap) {
    return replaceSelf(new INodeDirectoryWithSnapshot(this), inodeMap);
  }
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    if (low >= 0) {
      return false;
    }

    if (isInLatestSnapshot(latest)) {
      INodeDirectoryWithSnapshot sdir =
          replaceSelf4INodeDirectoryWithSnapshot(inodeMap);
      boolean added = sdir.addChild(node, setModTime, latest, inodeMap);
      return added;
    }
    addChild(node, low);
    if (setModTime) {
      // update modification time of the parent directory
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            LOG.error("should not exceed quota while snapshot deletion", e);
          }
        } else if (referred instanceof INodeDirectoryWithSnapshot) {
          // similarly, if referred is a directory, it must be an
          // INodeDirectoryWithSnapshot
          INodeDirectoryWithSnapshot sdir =
              (INodeDirectoryWithSnapshot) referred;
          try {
            INodeDirectoryWithSnapshot.destroyDstSubtree(sdir, snapshot, prior,
                collectedBlocks, removedINodes);
          } catch (QuotaExceededException e) {
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      final INodeDirectory dir = nsQuota >= 0 || dsQuota >= 0?
          new INodeDirectoryWithQuota(inodeId, localName, permissions,
              modificationTime, nsQuota, dsQuota)
          : new INodeDirectory(inodeId, localName, permissions, modificationTime);
      return snapshottable ? new INodeDirectorySnapshottable(dir)
          : withSnapshot ? new INodeDirectoryWithSnapshot(dir)
          : dir;
    } else if (numBlocks == -2) {
      //symlink
      if (!FileSystem.areSymlinksEnabled()) {
        throw new IOException("Symlinks not supported - please remove symlink before upgrading to this version of HDFS");
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      final INodeDirectoryWithQuota q = new INodeDirectoryWithQuota(
          this, true, nsQuota, dsQuota);
      replaceSelf(q, inodeMap);
      return q;
    } else {
      final INodeDirectoryWithSnapshot s = new INodeDirectoryWithSnapshot(this);
      s.setQuota(nsQuota, dsQuota);
      return replaceSelf(s, inodeMap).saveSelf2Snapshot(latest, this);
    }
  }
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  }

  /** Replace itself with an {@link INodeDirectoryWithSnapshot}. */
  public INodeDirectoryWithSnapshot replaceSelf4INodeDirectoryWithSnapshot(
      final INodeMap inodeMap) {
    return replaceSelf(new INodeDirectoryWithSnapshot(this), inodeMap);
  }
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Related Classes of org.apache.hadoop.hdfs.server.namenode.snapshot.INodeDirectoryWithSnapshot

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