Java Code Examples for org.apache.hadoop.fs.FileSystem.setXAttr()

The following are Jave code examples for showing how to use setXAttr() of the org.apache.hadoop.fs.FileSystem class. You can vote up the examples you like. Your votes will be used in our system to get more good examples.
Example 1
Project: hadoop   File: BaseTestHttpFSWith.java   Source Code and License Vote up 5 votes
/** List xattrs */
private void testListXAttrs() throws Exception {
  if (!isLocalFS()) {
    FileSystem fs = FileSystem.get(getProxiedFSConf());
    fs.mkdirs(getProxiedFSTestDir());
    Path path = new Path(getProxiedFSTestDir(), "foo.txt");
    OutputStream os = fs.create(path);
    os.write(1);
    os.close();
    fs.close();

    final String name1 = "user.a1";
    final byte[] value1 = new byte[]{0x31, 0x32, 0x33};
    final String name2 = "user.a2";
    final byte[] value2 = new byte[]{0x41, 0x42, 0x43};
    final String name3 = "user.a3";
    final byte[] value3 = null;
    final String name4 = "trusted.a1";
    final byte[] value4 = new byte[]{0x31, 0x32, 0x33};
    fs = FileSystem.get(getProxiedFSConf());
    fs.setXAttr(path, name1, value1);
    fs.setXAttr(path, name2, value2);
    fs.setXAttr(path, name3, value3);
    fs.setXAttr(path, name4, value4);
    fs.close();

    fs = getHttpFSFileSystem();
    List<String> names = fs.listXAttrs(path);
    Assert.assertEquals(4, names.size());
    Assert.assertTrue(names.contains(name1));
    Assert.assertTrue(names.contains(name2));
    Assert.assertTrue(names.contains(name3));
    Assert.assertTrue(names.contains(name4));
  }
}
 
Example 2
Project: hadoop   File: FSOperations.java   Source Code and License Vote up 4 votes
@Override
public Void execute(FileSystem fs) throws IOException {
  fs.setXAttr(path, name, value, flag);
  return null;
}