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

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

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    // check 1. there is no snapshot s0
    final INodeDirectorySnapshottable dirNode =
        (INodeDirectorySnapshottable) fsdir.getINode(dir.toString());
    Snapshot snapshot0 = dirNode.getSnapshot(DFSUtil.string2Bytes("s0"));
    assertNull(snapshot0);
    DirectoryDiffList diffList = dirNode.getDiffs();
    assertEquals(1, diffList.asList().size());
    assertEquals("s1", diffList.getLast().snapshot.getRoot().getLocalName());
    diffList = ((INodeDirectoryWithSnapshot) fsdir.getINode(
        metaChangeDir.toString())).getDiffs();
    assertEquals(0, diffList.asList().size());
   
    // check 2. noChangeDir and noChangeFile are still there
    final INodeDirectory noChangeDirNode =
        (INodeDirectory) fsdir.getINode(noChangeDir.toString());
    assertEquals(INodeDirectory.class, noChangeDirNode.getClass());
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  public static void loadDirectoryDiffList(INodeDirectory dir,
      DataInput in, FSImageFormat.Loader loader) throws IOException {
    final int size = in.readInt();
    if (dir instanceof INodeDirectoryWithSnapshot) {
      INodeDirectoryWithSnapshot withSnapshot = (INodeDirectoryWithSnapshot)dir;
      DirectoryDiffList diffs = withSnapshot.getDiffs();
      for (int i = 0; i < size; i++) {
        diffs.addFirst(loadDirectoryDiff(withSnapshot, in, loader));
      }
    }
  }
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    // check 1. there is no snapshot s0
    final INodeDirectorySnapshottable dirNode =
        (INodeDirectorySnapshottable) fsdir.getINode(dir.toString());
    Snapshot snapshot0 = dirNode.getSnapshot(DFSUtil.string2Bytes("s0"));
    assertNull(snapshot0);
    DirectoryDiffList diffList = dirNode.getDiffs();
    assertEquals(1, diffList.asList().size());
    assertEquals("s1", diffList.getLast().snapshot.getRoot().getLocalName());
    diffList = ((INodeDirectoryWithSnapshot) fsdir.getINode(
        metaChangeDir.toString())).getDiffs();
    assertEquals(0, diffList.asList().size());
   
    // check 2. noChangeDir and noChangeFile are still there
    final INodeDirectory noChangeDirNode =
        (INodeDirectory) fsdir.getINode(noChangeDir.toString());
    assertEquals(INodeDirectory.class, noChangeDirNode.getClass());
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    // check 1. there is no snapshot s0
    final INodeDirectorySnapshottable dirNode =
        (INodeDirectorySnapshottable) fsdir.getINode(dir.toString());
    Snapshot snapshot0 = dirNode.getSnapshot(DFSUtil.string2Bytes("s0"));
    assertNull(snapshot0);
    DirectoryDiffList diffList = dirNode.getDiffs();
    assertEquals(1, diffList.asList().size());
    assertEquals("s1", diffList.getLast().snapshot.getRoot().getLocalName());
    diffList = ((INodeDirectoryWithSnapshot) fsdir.getINode(
        metaChangeDir.toString())).getDiffs();
    assertEquals(0, diffList.asList().size());
   
    // check 2. noChangeDir and noChangeFile are still there
    final INodeDirectory noChangeDirNode =
        (INodeDirectory) fsdir.getINode(noChangeDir.toString());
    assertEquals(INodeDirectory.class, noChangeDirNode.getClass());
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  public static void loadDirectoryDiffList(INodeDirectory dir,
      DataInput in, FSImageFormat.Loader loader) throws IOException {
    final int size = in.readInt();
    if (dir instanceof INodeDirectoryWithSnapshot) {
      INodeDirectoryWithSnapshot withSnapshot = (INodeDirectoryWithSnapshot)dir;
      DirectoryDiffList diffs = withSnapshot.getDiffs();
      for (int i = 0; i < size; i++) {
        diffs.addFirst(loadDirectoryDiff(withSnapshot, in, loader));
      }
    }
  }
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Related Classes of org.apache.hadoop.hdfs.server.namenode.snapshot.INodeDirectoryWithSnapshot.DirectoryDiffList

  • org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotFSImageFormat
  • org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotDeletion
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