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

Examples of org.apache.hadoop.hdfs.server.namenode.INode.asDirectory()

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    ChildrenDiff childrenDiff = dir1Diffs.get(0).getChildrenDiff();
    assertEquals(0, childrenDiff.getList(ListType.DELETED).size());
    assertEquals(0, childrenDiff.getList(ListType.CREATED).size());
   
    INode fooNode = fsdir.getINode4Write(foo.toString());
    assertTrue(fooNode.isDirectory() && fooNode.asDirectory().isWithSnapshot());
    List<DirectoryDiff> fooDiffs = fooNode.asDirectory().getDiffs().asList();
    assertEquals(1, fooDiffs.size());
    assertEquals(s1.getId(), fooDiffs.get(0).getSnapshotId());
   
    final Path foo_s1 = SnapshotTestHelper.getSnapshotPath(sdir1, "s1", "foo");
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    assertEquals(0, childrenDiff.getList(ListType.DELETED).size());
    assertEquals(0, childrenDiff.getList(ListType.CREATED).size());
   
    INode fooNode = fsdir.getINode4Write(foo.toString());
    assertTrue(fooNode.isDirectory() && fooNode.asDirectory().isWithSnapshot());
    List<DirectoryDiff> fooDiffs = fooNode.asDirectory().getDiffs().asList();
    assertEquals(1, fooDiffs.size());
    assertEquals(s1.getId(), fooDiffs.get(0).getSnapshotId());
   
    final Path foo_s1 = SnapshotTestHelper.getSnapshotPath(sdir1, "s1", "foo");
    INode fooNode_s1 = fsdir.getINode(foo_s1.toString());
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    assertFalse(hdfs.exists(foo_s2));
   
    INode fooNode = fsdir.getINode4Write(foo_dir2.toString());
    assertTrue(childrenDiff.getList(ListType.CREATED).get(0) == fooNode);
    assertTrue(fooNode instanceof INodeReference.DstReference);
    List<DirectoryDiff> fooDiffs = fooNode.asDirectory().getDiffs().asList();
    assertEquals(1, fooDiffs.size());
    assertEquals(s1.getId(), fooDiffs.get(0).getSnapshotId());
   
    // create snapshot on sdir2 and rename again
    hdfs.createSnapshot(sdir2, "s3");
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    final Path foo_s3 = SnapshotTestHelper.getSnapshotPath(sdir2, "s3", "foo2");
    assertFalse(hdfs.exists(foo_s2));
    assertTrue(hdfs.exists(foo_s3));
   
    assertTrue(fooNode instanceof INodeReference.DstReference);
    fooDiffs = fooNode.asDirectory().getDiffs().asList();
    assertEquals(2, fooDiffs.size());
    assertEquals(s1.getId(), fooDiffs.get(0).getSnapshotId());
    assertEquals(s3.getId(), fooDiffs.get(1).getSnapshotId());
  }
 
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        .asDirectory();
    List<INode> childrenList = ReadOnlyList.Util.asList(dir1Node
        .getChildrenList(Snapshot.CURRENT_STATE_ID));
    assertEquals(1, childrenList.size());
    INode fooNode = childrenList.get(0);
    assertTrue(fooNode.asDirectory().isWithSnapshot());
    INode barNode = fsdir.getINode4Write(bar.toString());
    assertTrue(barNode.getClass() == INodeFile.class);
    assertSame(fooNode, barNode.getParent());
    List<DirectoryDiff> diffList = dir1Node
        .getDiffs().asList();
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    INode dir2Node = fsdir.getINode4Write(dir2.toString());
    assertTrue(dir2Node.getClass() == INodeDirectorySnapshottable.class);
    Quota.Counts counts = dir2Node.computeQuotaUsage();
    assertEquals(3, counts.get(Quota.NAMESPACE));
    assertEquals(0, counts.get(Quota.DISKSPACE));
    childrenList = ReadOnlyList.Util.asList(dir2Node.asDirectory()
        .getChildrenList(Snapshot.CURRENT_STATE_ID));
    assertEquals(1, childrenList.size());
    INode subdir2Node = childrenList.get(0);
    assertSame(dir2Node, subdir2Node.getParent());
    assertSame(subdir2Node, fsdir.getINode4Write(subdir2.toString()));
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        .asDirectory();
    List<INode> childrenList = ReadOnlyList.Util.asList(dir1Node
        .getChildrenList(Snapshot.CURRENT_STATE_ID));
    assertEquals(1, childrenList.size());
    INode fooNode = childrenList.get(0);
    assertTrue(fooNode.asDirectory().isWithSnapshot());
    assertSame(dir1Node, fooNode.getParent());
    List<DirectoryDiff> diffList = dir1Node
        .getDiffs().asList();
    assertEquals(1, diffList.size());
    DirectoryDiff diff = diffList.get(0);
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    INode dir2Node = fsdir.getINode4Write(dir2.toString());
    assertTrue(dir2Node.getClass() == INodeDirectorySnapshottable.class);
    Quota.Counts counts = dir2Node.computeQuotaUsage();
    assertEquals(4, counts.get(Quota.NAMESPACE));
    assertEquals(0, counts.get(Quota.DISKSPACE));
    childrenList = ReadOnlyList.Util.asList(dir2Node.asDirectory()
        .getChildrenList(Snapshot.CURRENT_STATE_ID));
    assertEquals(1, childrenList.size());
    INode subdir2Node = childrenList.get(0);
    assertTrue(subdir2Node.asDirectory().isWithSnapshot());
    assertSame(dir2Node, subdir2Node.getParent());
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    assertEquals(0, counts.get(Quota.DISKSPACE));
    childrenList = ReadOnlyList.Util.asList(dir2Node.asDirectory()
        .getChildrenList(Snapshot.CURRENT_STATE_ID));
    assertEquals(1, childrenList.size());
    INode subdir2Node = childrenList.get(0);
    assertTrue(subdir2Node.asDirectory().isWithSnapshot());
    assertSame(dir2Node, subdir2Node.getParent());
    assertSame(subdir2Node, fsdir.getINode4Write(sub_dir2.toString()));
    INode subsubdir2Node = fsdir.getINode4Write(subsub_dir2.toString());
    assertTrue(subsubdir2Node.getClass() == INodeDirectory.class);
    assertSame(subdir2Node, subsubdir2Node.getParent());
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        .isEmpty());
   
    assertTrue(hdfs.exists(newfoo));
    INode fooRefNode = fsdir.getINode4Write(newfoo.toString());
    assertTrue(fooRefNode instanceof INodeReference.DstReference);
    INodeDirectory fooNode = fooRefNode.asDirectory();
    // fooNode should be still INodeDirectory (With Snapshot) since we call
    // recordModification before the rename
    assertTrue(fooNode.isWithSnapshot());
    assertTrue(fooNode.getDiffs().asList().isEmpty());
    INodeDirectory barNode = fooNode.getChildrenList(Snapshot.CURRENT_STATE_ID)
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