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

Examples of org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf.LoaderContext

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    /** Load FileDiff list for a file with snapshot feature */
    private void loadFileDiffList(InputStream in, INodeFile file, int size)
        throws IOException {
      final FileDiffList diffs = new FileDiffList();
      final LoaderContext state = parent.getLoaderContext();
      for (int i = 0; i < size; i++) {
        SnapshotDiffSection.FileDiff pbf = SnapshotDiffSection.FileDiff
            .parseDelimitedFrom(in);
        INodeFileAttributes copy = null;
        if (pbf.hasSnapshotCopy()) {
          INodeSection.INodeFile fileInPb = pbf.getSnapshotCopy();
          PermissionStatus permission = loadPermission(
              fileInPb.getPermission(), state.getStringTable());

          AclFeature acl = null;
          if (fileInPb.hasAcl()) {
            acl = new AclFeature(FSImageFormatPBINode.Loader.loadAclEntries(
                fileInPb.getAcl(), state.getStringTable()));
          }
          XAttrFeature xAttrs = null;
          if (fileInPb.hasXAttrs()) {
            xAttrs = new XAttrFeature(FSImageFormatPBINode.Loader.loadXAttrs(
                fileInPb.getXAttrs(), state.getStringTable()));
          }

          copy = new INodeFileAttributes.SnapshotCopy(pbf.getName()
              .toByteArray(), permission, acl, fileInPb.getModificationTime(),
              fileInPb.getAccessTime(), (short) fileInPb.getReplication(),
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        int size, final List<INodeReference> refList) throws IOException {
      if (!dir.isWithSnapshot()) {
        dir.addSnapshotFeature(null);
      }
      DirectoryDiffList diffs = dir.getDiffs();
      final LoaderContext state = parent.getLoaderContext();

      for (int i = 0; i < size; i++) {
        // load a directory diff
        SnapshotDiffSection.DirectoryDiff diffInPb = SnapshotDiffSection.
            DirectoryDiff.parseDelimitedFrom(in);
        final int snapshotId = diffInPb.getSnapshotId();
        final Snapshot snapshot = snapshotMap.get(snapshotId);
        int childrenSize = diffInPb.getChildrenSize();
        boolean useRoot = diffInPb.getIsSnapshotRoot();
        INodeDirectoryAttributes copy = null;
        if (useRoot) {
          copy = snapshot.getRoot();
        } else if (diffInPb.hasSnapshotCopy()) {
          INodeSection.INodeDirectory dirCopyInPb = diffInPb.getSnapshotCopy();
          final byte[] name = diffInPb.getName().toByteArray();
          PermissionStatus permission = loadPermission(
              dirCopyInPb.getPermission(), state.getStringTable());
          AclFeature acl = null;
          if (dirCopyInPb.hasAcl()) {
            acl = new AclFeature(FSImageFormatPBINode.Loader.loadAclEntries(
                dirCopyInPb.getAcl(), state.getStringTable()));
          }
          XAttrFeature xAttrs = null;
          if (dirCopyInPb.hasXAttrs()) {
            xAttrs = new XAttrFeature(FSImageFormatPBINode.Loader.loadXAttrs(
                dirCopyInPb.getXAttrs(), state.getStringTable()));
          }

          long modTime = dirCopyInPb.getModificationTime();
          boolean noQuota = dirCopyInPb.getNsQuota() == -1
              && dirCopyInPb.getDsQuota() == -1;
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    private INodeFile loadINodeFile(INodeSection.INode n) {
      assert n.getType() == INodeSection.INode.Type.FILE;
      INodeSection.INodeFile f = n.getFile();
      List<BlockProto> bp = f.getBlocksList();
      short replication = (short) f.getReplication();
      LoaderContext state = parent.getLoaderContext();

      BlockInfo[] blocks = new BlockInfo[bp.size()];
      for (int i = 0, e = bp.size(); i < e; ++i) {
        blocks[i] = new BlockInfo(PBHelper.convert(bp.get(i)), replication);
      }
      final PermissionStatus permissions = loadPermission(f.getPermission(),
          parent.getLoaderContext().getStringTable());

      final INodeFile file = new INodeFile(n.getId(),
          n.getName().toByteArray(), permissions, f.getModificationTime(),
          f.getAccessTime(), blocks, replication, f.getPreferredBlockSize());

      if (f.hasAcl()) {
        file.addAclFeature(new AclFeature(loadAclEntries(f.getAcl(),
            state.getStringTable())));
      }
     
      if (f.hasXAttrs()) {
        file.addXAttrFeature(new XAttrFeature(
            loadXAttrs(f.getXAttrs(), state.getStringTable())));
      }

      // under-construction information
      if (f.hasFileUC()) {
        INodeSection.FileUnderConstructionFeature uc = f.getFileUC();
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    /** Load FileDiff list for a file with snapshot feature */
    private void loadFileDiffList(InputStream in, INodeFile file, int size)
        throws IOException {
      final FileDiffList diffs = new FileDiffList();
      final LoaderContext state = parent.getLoaderContext();
      for (int i = 0; i < size; i++) {
        SnapshotDiffSection.FileDiff pbf = SnapshotDiffSection.FileDiff
            .parseDelimitedFrom(in);
        INodeFileAttributes copy = null;
        if (pbf.hasSnapshotCopy()) {
          INodeSection.INodeFile fileInPb = pbf.getSnapshotCopy();
          PermissionStatus permission = loadPermission(
              fileInPb.getPermission(), state.getStringTable());

          AclFeature acl = null;
          if (fileInPb.hasAcl()) {
            acl = new AclFeature(FSImageFormatPBINode.Loader.loadAclEntries(
                fileInPb.getAcl(), state.getStringTable()));
          }

          copy = new INodeFileAttributes.SnapshotCopy(pbf.getName()
              .toByteArray(), permission, acl, fileInPb.getModificationTime(),
              fileInPb.getAccessTime(), (short) fileInPb.getReplication(),
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        int size, final List<INodeReference> refList) throws IOException {
      if (!dir.isWithSnapshot()) {
        dir.addSnapshotFeature(null);
      }
      DirectoryDiffList diffs = dir.getDiffs();
      final LoaderContext state = parent.getLoaderContext();

      for (int i = 0; i < size; i++) {
        // load a directory diff
        SnapshotDiffSection.DirectoryDiff diffInPb = SnapshotDiffSection.
            DirectoryDiff.parseDelimitedFrom(in);
        final int snapshotId = diffInPb.getSnapshotId();
        final Snapshot snapshot = snapshotMap.get(snapshotId);
        int childrenSize = diffInPb.getChildrenSize();
        boolean useRoot = diffInPb.getIsSnapshotRoot();
        INodeDirectoryAttributes copy = null;
        if (useRoot) {
          copy = snapshot.getRoot();
        } else if (diffInPb.hasSnapshotCopy()) {
          INodeSection.INodeDirectory dirCopyInPb = diffInPb.getSnapshotCopy();
          final byte[] name = diffInPb.getName().toByteArray();
          PermissionStatus permission = loadPermission(
              dirCopyInPb.getPermission(), state.getStringTable());
          AclFeature acl = null;
          if (dirCopyInPb.hasAcl()) {
            acl = new AclFeature(FSImageFormatPBINode.Loader.loadAclEntries(
                dirCopyInPb.getAcl(), state.getStringTable()));
          }

          long modTime = dirCopyInPb.getModificationTime();
          boolean noQuota = dirCopyInPb.getNsQuota() == -1
              && dirCopyInPb.getDsQuota() == -1;
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    private INodeFile loadINodeFile(INodeSection.INode n) {
      assert n.getType() == INodeSection.INode.Type.FILE;
      INodeSection.INodeFile f = n.getFile();
      List<BlockProto> bp = f.getBlocksList();
      short replication = (short) f.getReplication();
      LoaderContext state = parent.getLoaderContext();

      BlockInfo[] blocks = new BlockInfo[bp.size()];
      for (int i = 0, e = bp.size(); i < e; ++i) {
        blocks[i] = new BlockInfo(PBHelper.convert(bp.get(i)), replication);
      }
      final PermissionStatus permissions = loadPermission(f.getPermission(),
          parent.getLoaderContext().getStringTable());

      final INodeFile file = new INodeFile(n.getId(),
          n.getName().toByteArray(), permissions, f.getModificationTime(),
          f.getAccessTime(), blocks, replication, f.getPreferredBlockSize());

      if (f.hasAcl()) {
        file.addAclFeature(new AclFeature(loadAclEntries(f.getAcl(),
            state.getStringTable())));
      }

      // under-construction information
      if (f.hasFileUC()) {
        INodeSection.FileUnderConstructionFeature uc = f.getFileUC();
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Related Classes of org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf.LoaderContext

  • org.apache.hadoop.hdfs.server.namenode.FSImageFormatPBINode$Loader
  • org.apache.hadoop.hdfs.server.namenode.snapshot.FSImageFormatPBSnapshot$Loader
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