<?php
/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 */

namespace Zend\Authentication\Adapter;

abstract class AbstractAdapter implements ValidatableAdapterInterface
{

    /**
     * @var mixed
     */
    protected $credential;

    /**
     * @var mixed
     */
    protected $identity;

    /**
     * Returns the credential of the account being authenticated, or
     * NULL if none is set.
     *
     * @return mixed
     */
    public function getCredential()
    {
        return $this->credential;
    }

    /**
     * Sets the credential for binding
     *
     * @param  mixed           $credential
     * @return AbstractAdapter
     */
    public function setCredential($credential)
    {
        $this->credential = $credential;

        return $this;
    }

    /**
     * Returns the identity of the account being authenticated, or
     * NULL if none is set.
     *
     * @return mixed
     */
    public function getIdentity()
    {
        return $this->identity;
    }

    /**
     * Sets the identity for binding
     *
     * @param  mixed          $identity
     * @return AbstractAdapter
     */
    public function setIdentity($identity)
    {
        $this->identity = $identity;

        return $this;
    }
}
