Code Coverage for /builds/kai/lggr/inc/LggrCacheRedis.php

1	<?php
2	namespace Lggr;
3
4	/**
5	* @brief Caching class for redis based cache.
6	*/
7	class LggrCacheRedis extends AbstractLggrCache {
8
9	// 5 minutes
10	const MAXAGE = 300;
11
12	const REDISHOST = 'redis';
13
14	const REDISDB = 0;
15
16	const REDISPFX = 'lggr_';
17
18	private $r = null;
19
20	function __construct() {
21	$this->r = new \Redis();
22	$this->r->connect(self::REDISHOST);
23	$this->r->select(self::REDISDB);
24	}
25
26	// constructor
27	function __destruct() {
28	$this->r->close();
29	}
30
31	// destructor
32	public function store($key, $value) {
33	$s = serialize($value);
34	$this->r->setex(SELF::REDISPFX . $key, self::MAXAGE, $s);
35	}
36
37	// function
38	public function retrieve($key) {
39	$value = $this->r->get(SELF::REDISPFX . $key);
40	if (false === $value) {
41	return null;
42	}
43	return unserialize($value);
44	}
45
46	// function
47	public function purge($key) {
48	$this->r->delete(SELF::REDISPFX . $key);
49	} // function
50	} // class