continue;
} else if (value instanceof Entity<?>) {
Serializable key = (Serializable) PropertyUtils.getProperty(value, "id");
if (null == key) {
continue;
} else if (new EmptyKeyPredicate().evaluate(key)) {
PropertyUtils.setProperty(dest, attr, null);
} else {
PropertyUtils.setProperty(dest, attr, value);
}
} else {