@Test
  public void testConnection() throws Exception {

    ObjectConnection conn = factory.createConnectionFactory().getConnection();
    Class<?> clz = conn.getCacheClassType();

    assertEquals(Trade.class, clz);

    Class<?> t = conn.getCacheKeyClassType();

    assertEquals(long.class, t);

    assertEquals("longValue", conn.getPkField());

    conn.cleanUp();
  }