<?php
/**
 * Copyright © 2016 Magento. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Framework\App\Cache;

use \Magento\Framework\App\CacheInterface;
use \Magento\Framework\ObjectManager\NoninterceptableInterface;

/**
 * System cache proxy model
 */
class Proxy implements
    CacheInterface,
    NoninterceptableInterface
{
    /**
     * @var \Magento\Framework\ObjectManagerInterface
     */
    protected $_objectManager;

    /**
     * @var CacheInterface
     */
    protected $_cache;

    /**
     * @param \Magento\Framework\ObjectManagerInterface $objectManager
     */
    public function __construct(\Magento\Framework\ObjectManagerInterface $objectManager)
    {
        $this->_objectManager = $objectManager;
    }

    /**
     * Create cache model
     *
     * @return CacheInterface
     */
    protected function _getCache()
    {
        if (null == $this->_cache) {
            $this->_cache = $this->_objectManager->get('Magento\Framework\App\Cache');
        }
        return $this->_cache;
    }

    /**
     * Get cache frontend API object
     *
     * @return \Zend_Cache_Core
     */
    public function getFrontend()
    {
        return $this->_getCache()->getFrontend();
    }

    /**
     * Load data from cache by id
     *
     * @param  string $identifier
     * @return string
     */
    public function load($identifier)
    {
        return $this->_getCache()->load($identifier);
    }

    /**
     * Save data
     *
     * @param string $data
     * @param string $identifier
     * @param array $tags
     * @param int $lifeTime
     * @return bool
     */
    public function save($data, $identifier, $tags = [], $lifeTime = null)
    {
        return $this->_getCache()->save($data, $identifier, $tags, $lifeTime);
    }

    /**
     * Remove cached data by identifier
     *
     * @param string $identifier
     * @return bool
     */
    public function remove($identifier)
    {
        return $this->_getCache()->remove($identifier);
    }

    /**
     * Clean cached data by specific tag
     *
     * @param array $tags
     * @return bool
     */
    public function clean($tags = [])
    {
        return $this->_getCache()->clean($tags);
    }
}
