@Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        ClickedRelationship that = (ClickedRelationship) o;

        if (product != null ? !product.equals(that.product) : that.product != null) return false;
        if (user != null ? !user.equals(that.user) : that.user != null) return false;

        return true;
    }