Package org.apache.hadoop.hdfs.protocol.SnapshotDiffReport

Examples of org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffReportEntry

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      return null;
    }
    DiffType type = DiffType.getTypeFromLabel(entry
        .getModificationLabel());
    return type == null ? null :
      new DiffReportEntry(type, entry.getFullpath().toByteArray());
  }
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    String toSnapshot = reportProto.getToSnapshot();
    List<SnapshotDiffReportEntryProto> list = reportProto
        .getDiffReportEntriesList();
    List<DiffReportEntry> entries = new ArrayList<DiffReportEntry>();
    for (SnapshotDiffReportEntryProto entryProto : list) {
      DiffReportEntry entry = convert(entryProto);
      if (entry != null)
        entries.add(entry);
    }
    return new SnapshotDiffReport(snapshotDir, fromSnapshot, toSnapshot,
        entries);
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  }
 
  private static boolean existsInDiffReport(List<DiffReportEntry> entries,
      DiffType type, String sourcePath, String targetPath) {
    for (DiffReportEntry entry : entries) {
      if (entry.equals(new DiffReportEntry(type, DFSUtil
          .string2Bytes(sourcePath), targetPath == null ? null : DFSUtil
          .string2Bytes(targetPath)))) {
        return true;
      }
    }
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        assertTrue(report.getDiffList().contains(entry));
        assertTrue(inverseReport.getDiffList().contains(entry));
      } else if (entry.getType() == DiffType.DELETE) {
        assertTrue(report.getDiffList().contains(entry));
        assertTrue(inverseReport.getDiffList().contains(
            new DiffReportEntry(DiffType.CREATE, entry.getSourcePath())));
      } else if (entry.getType() == DiffType.CREATE) {
        assertTrue(report.getDiffList().contains(entry));
        assertTrue(inverseReport.getDiffList().contains(
            new DiffReportEntry(DiffType.DELETE, entry.getSourcePath())));
      }
    }
  }
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    report = hdfs.getSnapshotDiffReport(hdfs.makeQualified(subsubsub1), "s0", "s2");
    System.out.println(report);
    assertEquals(0, report.getDiffList().size());

    verifyDiffReport(sub1, "s0", "s2",
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("")),
        new DiffReportEntry(DiffType.CREATE, DFSUtil.string2Bytes("file15")),
        new DiffReportEntry(DiffType.DELETE, DFSUtil.string2Bytes("file12")),
        new DiffReportEntry(DiffType.DELETE, DFSUtil.string2Bytes("file11")),
        new DiffReportEntry(DiffType.CREATE, DFSUtil.string2Bytes("file11")),
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("file13")),
        new DiffReportEntry(DiffType.DELETE, DFSUtil.string2Bytes("link13")),
        new DiffReportEntry(DiffType.CREATE, DFSUtil.string2Bytes("link13")));

    verifyDiffReport(sub1, "s0", "s5",
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("")),
        new DiffReportEntry(DiffType.CREATE, DFSUtil.string2Bytes("file15")),
        new DiffReportEntry(DiffType.DELETE, DFSUtil.string2Bytes("file12")),
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("file10")),
        new DiffReportEntry(DiffType.DELETE, DFSUtil.string2Bytes("file11")),
        new DiffReportEntry(DiffType.CREATE, DFSUtil.string2Bytes("file11")),
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("file13")),
        new DiffReportEntry(DiffType.DELETE, DFSUtil.string2Bytes("link13")),
        new DiffReportEntry(DiffType.CREATE, DFSUtil.string2Bytes("link13")),
        new DiffReportEntry(DiffType.MODIFY,
            DFSUtil.string2Bytes("subsub1/subsubsub1")),
        new DiffReportEntry(DiffType.CREATE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file10")),
        new DiffReportEntry(DiffType.CREATE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file11")),
        new DiffReportEntry(DiffType.CREATE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file13")),
        new DiffReportEntry(DiffType.CREATE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/link13")),
        new DiffReportEntry(DiffType.CREATE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file15")));
   
    verifyDiffReport(sub1, "s2", "s5",
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("file10")),
        new DiffReportEntry(DiffType.MODIFY,
            DFSUtil.string2Bytes("subsub1/subsubsub1")),
        new DiffReportEntry(DiffType.CREATE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file10")),
        new DiffReportEntry(DiffType.CREATE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file11")),
        new DiffReportEntry(DiffType.CREATE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file13")),
        new DiffReportEntry(DiffType.CREATE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/link13")),
        new DiffReportEntry(DiffType.CREATE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file15")));
   
    verifyDiffReport(sub1, "s3", "",
        new DiffReportEntry(DiffType.MODIFY,
            DFSUtil.string2Bytes("subsub1/subsubsub1")),
        new DiffReportEntry(DiffType.CREATE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file15")),
        new DiffReportEntry(DiffType.DELETE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file12")),
        new DiffReportEntry(DiffType.MODIFY,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file10")),
        new DiffReportEntry(DiffType.DELETE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file11")),
        new DiffReportEntry(DiffType.CREATE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file11")),
        new DiffReportEntry(DiffType.MODIFY,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file13")),
        new DiffReportEntry(DiffType.CREATE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/link13")),
        new DiffReportEntry(DiffType.DELETE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/link13")));
  }
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    // delete subsub1
    hdfs.delete(subsub1, true);
    // check diff report between s0 and s2
    verifyDiffReport(sub1, "s0", "s2",
        new DiffReportEntry(DiffType.MODIFY,
            DFSUtil.string2Bytes("subsub1/subsubsub1")),
        new DiffReportEntry(DiffType.CREATE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file15")),
        new DiffReportEntry(DiffType.DELETE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file12")),
        new DiffReportEntry(DiffType.DELETE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file11")),
        new DiffReportEntry(DiffType.CREATE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file11")),
        new DiffReportEntry(DiffType.MODIFY,
            DFSUtil.string2Bytes("subsub1/subsubsub1/file13")),
        new DiffReportEntry(DiffType.CREATE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/link13")),
        new DiffReportEntry(DiffType.DELETE,
            DFSUtil.string2Bytes("subsub1/subsubsub1/link13")));
    // check diff report between s0 and the current status
    verifyDiffReport(sub1, "s0", "",
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("")),
        new DiffReportEntry(DiffType.DELETE, DFSUtil.string2Bytes("subsub1")));
  }
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    SnapshotTestHelper.createSnapshot(hdfs, root, "s2");
    // let's delete /dir2 to make things more complicated
    hdfs.delete(sdir2, true);

    verifyDiffReport(root, "s1", "s2",
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("")),
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("dir1")),
        new DiffReportEntry(DiffType.RENAME, DFSUtil.string2Bytes("dir1/foo"),
            DFSUtil.string2Bytes("dir2/bar/foo")),
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("dir2")),
        new DiffReportEntry(DiffType.MODIFY,
            DFSUtil.string2Bytes("dir1/foo/bar")),
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("dir1/foo")),
        new DiffReportEntry(DiffType.RENAME, DFSUtil
            .string2Bytes("dir1/foo/bar"), DFSUtil.string2Bytes("dir2/bar")));
  }
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    final Path newFoo = new Path(dir2, "new");
    hdfs.rename(foo, newFoo);

    SnapshotTestHelper.createSnapshot(hdfs, dir1, "s1");
    verifyDiffReport(dir1, "s0", "s1",
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("")),
        new DiffReportEntry(DiffType.CREATE, DFSUtil.string2Bytes(newBar
            .getName())),
        new DiffReportEntry(DiffType.DELETE,
            DFSUtil.string2Bytes(foo.getName())));
  }
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    SnapshotTestHelper.createSnapshot(hdfs, root, "s0");
    hdfs.rename(fileInFoo, fileInBar, Rename.OVERWRITE);
    SnapshotTestHelper.createSnapshot(hdfs, root, "s1");
    verifyDiffReport(root, "s0", "s1",
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("")),
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("dir1/foo")),
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("dir2/bar")),
        new DiffReportEntry(DiffType.DELETE, DFSUtil
            .string2Bytes("dir2/bar/file")),
        new DiffReportEntry(DiffType.RENAME,
            DFSUtil.string2Bytes("dir1/foo/file"),
            DFSUtil.string2Bytes("dir2/bar/file")));

    // delete bar
    hdfs.delete(bar, true);
    SnapshotTestHelper.createSnapshot(hdfs, root, "s2");
    verifyDiffReport(root, "s0", "s2",
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("")),
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("dir1/foo")),
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("dir2")),
        new DiffReportEntry(DiffType.DELETE, DFSUtil.string2Bytes("dir2/bar")),
        new DiffReportEntry(DiffType.DELETE,
            DFSUtil.string2Bytes("dir1/foo/file")));
  }
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    final Path fileInBar = new Path(bar, "file");
    hdfs.rename(fileInFoo, fileInBar);
    SnapshotTestHelper.createSnapshot(hdfs, root, "s1");

    verifyDiffReport(root, "s0", "s1",
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("")),
        new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("foo")),
        new DiffReportEntry(DiffType.CREATE, DFSUtil.string2Bytes("bar")),
        new DiffReportEntry(DiffType.RENAME, DFSUtil.string2Bytes("foo/file"),
            DFSUtil.string2Bytes("bar/file")));
  }
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Related Classes of org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffReportEntry

  • org.apache.hadoop.hdfs.protocolPB.PBHelper
  • org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature$ChildrenDiff
  • org.apache.hadoop.hdfs.server.namenode.snapshot.INodeDirectorySnapshottable$SnapshotDiffInfo
  • org.apache.hadoop.hdfs.server.namenode.snapshot.INodeDirectoryWithSnapshot$ChildrenDiff
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