public String[] getPathComponents() {
    return getFullPath().split(QUEUE_REGEX_DELIMITER);
  }
@Test
  public void testGetPathComponents() {
    Assert.assertArrayEquals(TEST_QUEUE_PATH.getPathComponents(),
        new String[] {"root", "level_1", "level_2", "level_3"});
    Assert.assertArrayEquals(ROOT_PATH.getPathComponents(), new String[] {"root"});
    Assert.assertArrayEquals(EMPTY_PATH.getPathComponents(), new String[] {""});
  }