@Override
 public String marshal(CorrelationKey key) throws Exception {
   String result = null;
   for (CorrelationProperty<?> p : key.getProperties()) {
     if (result == null) {
       result = (String) p.getValue();
     } else {
       result += "," + p.getValue();
     }
   }
   return result;
 }
  @Test
  public void correlationKeyTest() throws Exception {
    Assume.assumeFalse(getType().equals(TestType.YAML));

    JaxbCorrelationKey corrKey = new JaxbCorrelationKey();
    corrKey.setName("anton");
    List<JaxbCorrelationProperty> properties = new ArrayList<JaxbCorrelationProperty>(3);
    corrKey.setJaxbProperties(properties);
    properties.add(new JaxbCorrelationProperty("name", "value"));
    properties.add(new JaxbCorrelationProperty("only-a-value"));
    properties.add(new JaxbCorrelationProperty("ngalan", "bili"));

    JaxbCorrelationKey copyCorrKey = testRoundTrip(corrKey);

    assertEquals("name", corrKey.getName(), copyCorrKey.getName());
    assertEquals(
        "prop list size", corrKey.getProperties().size(), copyCorrKey.getProperties().size());
    List<CorrelationProperty<?>> propList = corrKey.getProperties();
    List<CorrelationProperty<?>> copyPropList = copyCorrKey.getProperties();
    for (int i = 0; i < propList.size(); ++i) {
      CorrelationProperty<?> prop = propList.get(i);
      CorrelationProperty<?> copyProp = copyPropList.get(i);
      assertEquals(i + ": name", prop.getName(), copyProp.getName());
      assertEquals(i + ": type", prop.getType(), copyProp.getType());
      assertEquals(i + ": value", prop.getValue(), copyProp.getValue());
    }
  }