<?php
/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 * @package   Zend_Feed
 */

namespace Zend\Feed\PubSubHubbub\Model;

/**
 * @category   Zend
 * @package    Zend_Feed_Pubsubhubbub
 * @subpackage Entity
 */
interface SubscriptionPersistenceInterface
{

    /**
     * Save subscription to RDMBS
     *
     * @param array $data The key must be stored here as a $data['id'] entry
     * @return bool
     */
    public function setSubscription(array $data);

    /**
     * Get subscription by ID/key
     *
     * @param  string $key
     * @return array
     */
    public function getSubscription($key);

    /**
     * Determine if a subscription matching the key exists
     *
     * @param  string $key
     * @return bool
     */
    public function hasSubscription($key);

    /**
     * Delete a subscription
     *
     * @param string $key
     * @return bool
     */
    public function deleteSubscription($key);

}
