<?php

namespace Doctrine\Common\Cache;


/**
 * ZendServer SHM cache provider.
 * @author Andre Fourie
 */
class ZendShmCache extends \Doctrine\Common\Cache\CacheProvider
{

	protected $cache = null;

	public function __construct()
	{
		$this->cache = new \Memcache();
		$this->cache->pconnect('localhost', 11211);
	}

	/**
	 * {@inheritdoc}
	 */
	protected function doFetch($id)
	{
		return $this->cache->get(APP_KEY . '.DOC2::' . $id);
	}

	/**
	 * {@inheritdoc}
	 */
	protected function doContains($id)
	{
		return (bool) $this->cache->get(APP_KEY . '.DOC2::' . $id);
	}

	/**
	 * {@inheritdoc}
	 */
	protected function doSave($id, $data, $lifeTime = 0)
	{
		if ($lifeTime > 30 * 24 * 3600) {
			$lifeTime = time() + $lifeTime;
		}
		return  $this->cache->set(APP_KEY . '.DOC2::' . $id, $data, 0, (int) $lifeTime);
	}

	/**
	 * {@inheritdoc}
	 */
	protected function doDelete($id)
	{
		return  $this->cache->delete(APP_KEY . '.DOC2::' . $id);
	}

	/**
	 * {@inheritdoc}
	 */
	protected function doFlush()
	{
		return  $this->cache->flush();
	}

	/**
	 * {@inheritdoc}
	 */
	protected function doGetStats()
	{
		return array();
	}
}