BaseOauthServerBundle/Security/Core/User/CustomOAuthUser.php

<?php

namespace Base\OAuthBundle\Security\Core\User;

use HWI\Bundle\OAuthBundle\Security\Core\User\OAuthUser;

class CustomOAuthUser extends OAuthUser
{

    /**
     * @var array
     */
    protected $roles = array('ROLE_USER');

    /**
     * {@inheritdoc}
     */
    public function getRoles()
    {
        return $this->roles;
    }

    /**
     * @param array $roles
     */
    public function setRoles($roles)
    {
        $this->roles = $roles;
    }

}