Example of UserIdentity and WebUser in Yii

UserIdentity.php

<?php

class UserIdentity extends CUserIdentity {

    private $_username;         // username
    private $_role;             // nama user
    private $_id;               // id user
    private $_statusPenyuluh;   // Status penyuluh

    public function authenticate() {
        $user = User::model()->findByAttributes(array('username'=>$this->username));

        if ($user === NULL) {
            $this->errorCode = self::ERROR_USERNAME_INVALID;
            return false;
        } else {
            if ($user->status == User::STATUS_ACTIVE){
                if (User::model()->getHashEngine()->CheckPassword($this->password . $user->password2, $user->password1)){
                    $this->saveData($user);
                    $this->errorCode = self::ERROR_NONE;
                    return true;
                } else{
                    $this->errorCode = self::ERROR_PASSWORD_INVALID;
                    return false;
                }
            } else {
                $this->errorCode = self::ERROR_UNKNOWN_IDENTITY;
                return false;
            }
        }
    }

    public function saveData($user){
        $this->_username = $user->username;
        $this->_role = $user->role;
        $this->_id = $user->id;
        $this->_statusPenyuluh = $user->checkPenyuluh();
    }

    public function getUsername() {
        return $this->_username;
    }
    public function getRole() {
        return $this->_role;
    }
    public function getId() {
        return $this->_id;
    }
    public function getPenyuluh() {
        return $this->_statusPenyuluh;
    }
}

WebUser.php

    <?php
class WebUser extends CWebUser {

    private $_model;

    /**
     * Overide login process
     */
    public function login($identity, $duration = 0) {
        parent::login($identity, $duration);
        $this->setUsername($identity->username);
        $this->setRole($identity->role);
        $this->setId($identity->id);
        $this->setStatusPenyuluh($identity->penyuluh);
    }

    /*
     * SETTER
     */
    public function setUsername($username) {
        $this->setState('__username', $username);
    }
    public function setRole($role) {
        $this->setState('__role', $role);
    }
    public function setId($id) {
        $this->setState('__id', $id);
    }
    public function setStatuspenyuluh($penyuluh) {
        $this->setState('__penyuluh', $penyuluh);
    }

    /*
     * GETTER
     */
    public function getUsername() {
        return $this->getState('__username');
    }
    public function getRole() {
        return $this->getState('__role');
    }
    public function getId() {
        return $this->getState('__id');
    }
    public function getStatusPenyuluh() {
        return $this->getState('__penyuluh');
    }
}