public ResourceSet filterByName(String name) {
    ResourceSet result = new ResourceSet();
    for (Resource r : this) {
      if (r.getResourceId().getName().equals(name)) {
        result.add(r);
      }
    }
    return result;
  }
@Test
  void testFilterByName() {
    ResourceSet set = new ResourceSet();

    set.add(new Resource(null, new ResourceId("poo1", "resource1"), "value1"));
    set.add(new Resource(null, new ResourceId("poo1", "resource2"), new Integer(2)));
    assertEquals(2, set.filterByNameRegex(".*").size());
    assertEquals(1, set.filterByNameRegex("resource1").size());
    assertEquals(1, set.filterByNameRegex("resource2").size());
    assertEquals(0, set.filterByNameRegex("res").size());
    assertEquals(2, set.filterByNameRegex("res.*").size());
  }