<?php
/* $Id$ */
namespace Mammut\Cache;

(defined('MAMMUT') && (basename(__FILE__) != basename($_SERVER['PHP_SELF']))) or die('ACCESS DENIED');

/**
 * Test cache which will always fail and store nothing
 *
 * @author Stefan Daurer <s.daurer@q-spot.org>
 * @package Mammut\Cache
 */
class None extends \Mammut\StrictObject implements \Mammut\Cache\iCache {
	protected $datastore = array();
	private static $instance;

	public function __construct() {
	}

	public function set($key, $value, $ttl) {
	}

	public function get($key, $default = NULL) {
		if ($default instanceof \Closure)
			return $default();
		return $default;
	}

	public function delete($key) {
	}

	public function keyExists($key) {
		return false;
	}

	public function clear() {
	}

	public function getHits() {
		return 0;
	}
}