Blame view
sources/3rdparty/aws-sdk/lib/cachecore/cacheapc.class.php
3.3 KB
03e52840d
Init
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 |
<?php
/**
* Container for all APC-based cache methods. Inherits additional methods from <CacheCore>. Adheres
* to the ICacheCore interface.
*
* @version 2012.04.17
* @copyright 2006-2012 Ryan Parman
* @copyright 2006-2010 Foleeo, Inc.
* @copyright 2012 Amazon.com, Inc. or its affiliates.
* @copyright 2008-2010 Contributors
* @license http://opensource.org/licenses/bsd-license.php Simplified BSD License
* @link http://github.com/skyzyx/cachecore CacheCore
* @link http://getcloudfusion.com CloudFusion
* @link http://php.net/apc APC
*/
class CacheAPC extends CacheCore implements ICacheCore
{
/*%******************************************************************************************%*/
// CONSTRUCTOR
/**
* Constructs a new instance of this class.
*
* @param string $name (Required) A name to uniquely identify the cache object.
* @param string $location (Optional) The location to store the cache object in. This may vary by cache method. The default value is NULL.
* @param integer $expires (Optional) The number of seconds until a cache object is considered stale. The default value is 0.
* @param boolean $gzip (Optional) Whether data should be gzipped before being stored. The default value is true.
* @return object Reference to the cache object.
*/
public function __construct($name, $location = null, $expires = 0, $gzip = true)
{
parent::__construct($name, null, $expires, $gzip);
$this->id = $this->name;
}
/**
* Creates a new cache.
*
* @param mixed $data (Required) The data to cache.
* @return boolean Whether the operation was successful.
*/
public function create($data)
{
$data = serialize($data);
$data = $this->gzip ? gzcompress($data) : $data;
return apc_add($this->id, $data, $this->expires);
}
/**
* Reads a cache.
*
* @return mixed Either the content of the cache object, or boolean `false`.
*/
public function read()
{
if ($data = apc_fetch($this->id))
{
$data = $this->gzip ? gzuncompress($data) : $data;
return unserialize($data);
}
return false;
}
/**
* Updates an existing cache.
*
* @param mixed $data (Required) The data to cache.
* @return boolean Whether the operation was successful.
*/
public function update($data)
{
$data = serialize($data);
$data = $this->gzip ? gzcompress($data) : $data;
return apc_store($this->id, $data, $this->expires);
}
/**
* Deletes a cache.
*
* @return boolean Whether the operation was successful.
*/
public function delete()
{
return apc_delete($this->id);
}
/**
* Implemented here, but always returns `false`. APC manages its own expirations.
*
* @return boolean Whether the cache is expired or not.
*/
public function is_expired()
{
return false;
}
/**
* Implemented here, but always returns `false`. APC manages its own expirations.
*
* @return mixed Either the Unix time stamp of the cache creation, or boolean `false`.
*/
public function timestamp()
{
return false;
}
/**
* Implemented here, but always returns `false`. APC manages its own expirations.
*
* @return boolean Whether the operation was successful.
*/
public function reset()
{
return false;
}
}
/*%******************************************************************************************%*/
// EXCEPTIONS
class CacheAPC_Exception extends CacheCore_Exception {}
|