Package org.apache.hadoop.fs

Examples of org.apache.hadoop.fs.XAttr

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  }
 
  @Test
  public void testINodeXAttrsLimit() throws Exception {
    List<XAttr> existingXAttrs = Lists.newArrayListWithCapacity(2);
    XAttr xAttr1 = (new XAttr.Builder()).setNameSpace(XAttr.NameSpace.USER).
        setName("a1").setValue(new byte[]{0x31, 0x32, 0x33}).build();
    XAttr xAttr2 = (new XAttr.Builder()).setNameSpace(XAttr.NameSpace.USER).
        setName("a2").setValue(new byte[]{0x31, 0x31, 0x31}).build();
    existingXAttrs.add(xAttr1);
    existingXAttrs.add(xAttr2);
   
    // Adding a system namespace xAttr, isn't affected by inode xAttrs limit.
    XAttr newXAttr = (new XAttr.Builder()).setNameSpace(XAttr.NameSpace.SYSTEM).
        setName("a3").setValue(new byte[]{0x33, 0x33, 0x33}).build();
    List<XAttr> newXAttrs = Lists.newArrayListWithCapacity(1);
    newXAttrs.add(newXAttr);
    List<XAttr> xAttrs = fsdir.setINodeXAttrs(existingXAttrs, newXAttrs,
        EnumSet.of(XAttrSetFlag.CREATE, XAttrSetFlag.REPLACE));
    assertEquals(xAttrs.size(), 3);
   
    // Adding a trusted namespace xAttr, is affected by inode xAttrs limit.
    XAttr newXAttr1 = (new XAttr.Builder()).setNameSpace(
        XAttr.NameSpace.TRUSTED).setName("a4").
        setValue(new byte[]{0x34, 0x34, 0x34}).build();
    newXAttrs.set(0, newXAttr1);
    try {
      fsdir.setINodeXAttrs(existingXAttrs, newXAttrs,
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  private static void verifyXAttrsPresent(List<XAttr> newXAttrs,
      final int num) {
    assertEquals("Unexpected number of XAttrs after multiset", num,
        newXAttrs.size());
    for (int i=0; i<num; i++) {
      XAttr search = generatedXAttrs.get(i);
      assertTrue("Did not find set XAttr " + search + " + after multiset",
          newXAttrs.contains(search));
    }
  }
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  }

  private static List<XAttr> generateXAttrs(final int numXAttrs) {
    List<XAttr> generatedXAttrs = Lists.newArrayListWithCapacity(numXAttrs);
    for (int i=0; i<numXAttrs; i++) {
      XAttr xAttr = (new XAttr.Builder())
          .setNameSpace(XAttr.NameSpace.SYSTEM)
          .setName("a" + i)
          .setValue(new byte[] { (byte) i, (byte) (i + 1), (byte) (i + 2) })
          .build();
      generatedXAttrs.add(xAttr);
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    existingXAttrs = newXAttrs;

    // Sanity test for REPLACE
    toAdd = Lists.newArrayList();
    for (int i=0; i<3; i++) {
      XAttr xAttr = (new XAttr.Builder())
          .setNameSpace(XAttr.NameSpace.SYSTEM)
          .setName("a" + i)
          .setValue(new byte[] { (byte) (i*2) })
          .build();
      toAdd.add(xAttr);
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  public void testXAttrFeature() {
    replication = 3;
    preferredBlockSize = 128*1024*1024;
    INodeFile inf = createINodeFile(replication, preferredBlockSize);
    ImmutableList.Builder<XAttr> builder = new ImmutableList.Builder<XAttr>();
    XAttr xAttr = new XAttr.Builder().setNameSpace(XAttr.NameSpace.USER).
        setName("a1").setValue(new byte[]{0x31, 0x32, 0x33}).build();
    builder.add(xAttr);
    XAttrFeature f = new XAttrFeature(builder.build());
    inf.addXAttrFeature(f);
    XAttrFeature f1 = inf.getXAttrFeature();
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        Lists.newArrayListWithCapacity(existingXAttrs.size());
    for (XAttr a : existingXAttrs) {
      boolean add = true;
      for (ListIterator<XAttr> it = toFilter.listIterator(); it.hasNext()
          ;) {
        XAttr filter = it.next();
        if (a.equalsIgnoreValue(filter)) {
          add = false;
          it.remove();
          filtered.add(filter);
          break;
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  @Test
  public void testToJsonFromXAttrs() throws IOException {
    String jsonString =
        "{\"XAttrs\":[{\"name\":\"user.a1\",\"value\":\"0x313233\"}," +
        "{\"name\":\"user.a2\",\"value\":\"0x313131\"}]}";
    XAttr xAttr1 = (new XAttr.Builder()).setNameSpace(XAttr.NameSpace.USER).
        setName("a1").setValue(XAttrCodec.decodeValue("0x313233")).build();
    XAttr xAttr2 = (new XAttr.Builder()).setNameSpace(XAttr.NameSpace.USER).
        setName("a2").setValue(XAttrCodec.decodeValue("0x313131")).build();
    List<XAttr> xAttrs = Lists.newArrayList();
    xAttrs.add(xAttr1);
    xAttrs.add(xAttr2);
   
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  public void testToXAttrMap() throws IOException {
    String jsonString =
        "{\"XAttrs\":[{\"name\":\"user.a1\",\"value\":\"0x313233\"}," +
        "{\"name\":\"user.a2\",\"value\":\"0x313131\"}]}";
    Map<?, ?> json = (Map<?, ?>)JSON.parse(jsonString);
    XAttr xAttr1 = (new XAttr.Builder()).setNameSpace(XAttr.NameSpace.USER).
        setName("a1").setValue(XAttrCodec.decodeValue("0x313233")).build();
    XAttr xAttr2 = (new XAttr.Builder()).setNameSpace(XAttr.NameSpace.USER).
        setName("a2").setValue(XAttrCodec.decodeValue("0x313131")).build();
    List<XAttr> xAttrs = Lists.newArrayList();
    xAttrs.add(xAttr1);
    xAttrs.add(xAttr2);
    Map<String, byte[]> xAttrMap = XAttrHelper.buildXAttrMap(xAttrs);
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      ns = NameSpace.SECURITY;
    } else {
      throw new HadoopIllegalArgumentException("An XAttr name must be " +
          "prefixed with user/trusted/security/system, followed by a '.'");
    }
    XAttr xAttr = (new XAttr.Builder()).setNameSpace(ns).setName(name.
        substring(prefixIndex + 1)).setValue(value).build();
   
    return xAttr;
  }
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  /**
   * Build xattr name with prefix as <code>XAttr</code> list.
   */
  public static List<XAttr> buildXAttrAsList(String name) {
    XAttr xAttr = buildXAttr(name);
    List<XAttr> xAttrs = Lists.newArrayListWithCapacity(1);
    xAttrs.add(xAttr);
   
    return xAttrs;
  }
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Related Classes of org.apache.hadoop.fs.XAttr

  • org.apache.commons.lang.builder.EqualsBuilder
  • org.apache.commons.lang.builder.HashCodeBuilder
  • org.apache.hadoop.hdfs.server.namenode.FSDirectory
  • org.apache.hadoop.hdfs.server.namenode.TestFSDirectory
  • org.apache.hadoop.hdfs.server.namenode.TestINodeFile
  • org.apache.hadoop.hdfs.web.TestJsonUtil
  • org.apache.hadoop.hdfs.XAttrHelper
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