Package org.apache.hadoop.fs

Examples of org.apache.hadoop.fs.LocatedFileStatus

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        for (FileStatus globStat: matches) {
          if (globStat.isDirectory()) {
            RemoteIterator<LocatedFileStatus> iter =
                fs.listLocatedStatus(globStat.getPath());
            while (iter.hasNext()) {
              LocatedFileStatus stat = iter.next();
              if (inputFilter.accept(stat.getPath())) {
                if (recursive && stat.isDirectory()) {
                  addInputPathRecursively(result, fs, stat.getPath(),
                      inputFilter);
                } else {
                  result.add(stat);
                }
              }
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    while (i1.hasNext()) {
      assertTrue(i2.hasNext());
     
      // Compare all the fields but the path name, which is relative
      // to the original path from listFiles.
      LocatedFileStatus l1 = i1.next();
      LocatedFileStatus l2 = i2.next();
      assertEquals(l1.getAccessTime(), l2.getAccessTime());
      assertEquals(l1.getBlockSize(), l2.getBlockSize());
      assertEquals(l1.getGroup(), l2.getGroup());
      assertEquals(l1.getLen(), l2.getLen());
      assertEquals(l1.getModificationTime(), l2.getModificationTime());
      assertEquals(l1.getOwner(), l2.getOwner());
      assertEquals(l1.getPermission(), l2.getPermission());
      assertEquals(l1.getReplication(), l2.getReplication());
    }
    assertFalse(i2.hasNext());
  }
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    long dataSize = 0;
    long fileCount = 0;
    RemoteIterator<LocatedFileStatus> iter = fs.listFiles(inputDir, true);
    PathFilter filter = new Utils.OutputFileUtils.OutputFilesFilter();
    while (iter.hasNext()) {
      LocatedFileStatus lStatus = iter.next();
      if (filter.accept(lStatus.getPath())) {
        dataSize += lStatus.getLen();
        ++fileCount;
      }
    }

    // publish the plain data statistics
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        for (FileStatus globStat: matches) {
          if (globStat.isDirectory()) {
            RemoteIterator<LocatedFileStatus> iter =
                fs.listLocatedStatus(globStat.getPath());
            while (iter.hasNext()) {
              LocatedFileStatus stat = iter.next();
              if (inputFilter.accept(stat.getPath())) {
                if (recursive && stat.isDirectory()) {
                  addInputPathRecursively(result, fs, stat.getPath(),
                      inputFilter);
                } else {
                  result.add(stat);
                }
              }
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  protected void addInputPathRecursively(List<FileStatus> result,
      FileSystem fs, Path path, PathFilter inputFilter)
      throws IOException {
    RemoteIterator<LocatedFileStatus> iter = fs.listLocatedStatus(path);
    while (iter.hasNext()) {
      LocatedFileStatus stat = iter.next();
      if (inputFilter.accept(stat.getPath())) {
        if (stat.isDirectory()) {
          addInputPathRecursively(result, fs, stat.getPath(), inputFilter);
        } else {
          result.add(stat);
        }
      }
    }
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    fc.mkdir(TEST_DIR, FsPermission.getDefault(), true);
    writeFile(fc, FILE1, FILE_LEN);

    RemoteIterator<LocatedFileStatus> itor = fc.util().listFiles(
        FILE1, true);
    LocatedFileStatus stat = itor.next();
    assertFalse(itor.hasNext());
    assertTrue(stat.isFile());
    assertEquals(FILE_LEN, stat.getLen());
    assertEquals(fc.makeQualified(FILE1), stat.getPath());
    assertEquals(1, stat.getBlockLocations().length);
   
    itor = fc.util().listFiles(FILE1, false);
    stat = itor.next();
    assertFalse(itor.hasNext());
    assertTrue(stat.isFile());
    assertEquals(FILE_LEN, stat.getLen());
    assertEquals(fc.makeQualified(FILE1), stat.getPath());
    assertEquals(1, stat.getBlockLocations().length);
  }
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    // testing directory with 1 file
    writeFile(fc, FILE2, FILE_LEN);
   
    itor = fc.util().listFiles(DIR1, true);
    LocatedFileStatus stat = itor.next();
    assertFalse(itor.hasNext());
    assertTrue(stat.isFile());
    assertEquals(FILE_LEN, stat.getLen());
    assertEquals(fc.makeQualified(FILE2), stat.getPath());
    assertEquals(1, stat.getBlockLocations().length);
   
    itor = fc.util().listFiles(DIR1, false);
    stat = itor.next();
    assertFalse(itor.hasNext());
    assertTrue(stat.isFile());
    assertEquals(FILE_LEN, stat.getLen());
    assertEquals(fc.makeQualified(FILE2), stat.getPath());
    assertEquals(1, stat.getBlockLocations().length);

    // test more complicated directory
    writeFile(fc, FILE1, FILE_LEN);
    writeFile(fc, FILE3, FILE_LEN);

    itor = fc.util().listFiles(TEST_DIR, true);
    stat = itor.next();
    assertTrue(stat.isFile());
    assertEquals(fc.makeQualified(FILE2), stat.getPath());
    stat = itor.next();
    assertTrue(stat.isFile());
    assertEquals(fc.makeQualified(FILE3), stat.getPath());
    stat = itor.next();
    assertTrue(stat.isFile());
    assertEquals(fc.makeQualified(FILE1), stat.getPath());
    assertFalse(itor.hasNext());
   
    itor = fc.util().listFiles(TEST_DIR, false);
    stat = itor.next();
    assertTrue(stat.isFile());
    assertEquals(fc.makeQualified(FILE1), stat.getPath());
    assertFalse(itor.hasNext());
  }
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    fc.createSymlink(DIR1, dir5, true);
    fc.createSymlink(FILE1, file4, true);
   
    RemoteIterator<LocatedFileStatus> itor = fc.util().listFiles(dir4, true);
    LocatedFileStatus stat = itor.next();
    assertTrue(stat.isFile());
    assertEquals(fc.makeQualified(FILE2), stat.getPath());
    stat = itor.next();
    assertTrue(stat.isFile());
    assertEquals(fc.makeQualified(FILE3), stat.getPath());
    stat = itor.next();
    assertTrue(stat.isFile());
    assertEquals(fc.makeQualified(FILE1), stat.getPath());
    assertFalse(itor.hasNext());
   
    itor = fc.util().listFiles(dir4, false);
    stat = itor.next();
    assertTrue(stat.isFile());
    assertEquals(fc.makeQualified(FILE1), stat.getPath());
    assertFalse(itor.hasNext());
  }
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    return locations;
  }

  final public LocatedFileStatus makeQualifiedLocated(URI defaultUri,
      Path path) {
    return new LocatedFileStatus(getLen(), isDir(), getReplication(),
        getBlockSize(), getModificationTime(),
        getAccessTime(),
        getPermission(), getOwner(), getGroup(),
        isSymlink() ? new Path(getSymlink()) : null,
        (getFullPath(path)).makeQualified(
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            getUri(), getWorkingDirectory())); // fully-qualify path
  }

  private LocatedFileStatus makeQualifiedLocated(
      HdfsLocatedFileStatus f, Path parent) {
    return new LocatedFileStatus(f.getLen(), f.isDir(), f.getReplication(),
        f.getBlockSize(), f.getModificationTime(),
        f.getAccessTime(),
        f.getPermission(), f.getOwner(), f.getGroup(),
        null,
        (f.getFullPath(parent)).makeQualified(
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