class SimpleIdentified implements Identified<T> {

    @Override
    public final boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        final SimpleIdentified<?, ?> that = (SimpleIdentified<?, ?>) o;
        return id.equals(that.id);
    }

      SimpleIdentified(I id);

}