/usr/share/php/Horde/Kolab/Server/Object/Mcached.php is in php-horde-kolab-server 2.0.2-2.
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/**
* Low level caching for the Kolab object.
*
* PHP version 5
*
* @category Kolab
* @package Kolab_Server
* @author Gunnar Wrobel <wrobel@pardus.de>
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @link http://pear.horde.org/index.php?package=Kolab_Server
*/
/**
* Low level caching for the Kolab object.
*
* Copyright 2008-2013 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @category Kolab
* @package Kolab_Server
* @author Gunnar Wrobel <wrobel@pardus.de>
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @link http://pear.horde.org/index.php?package=Kolab_Server
*/
class Horde_Kolab_Server_Object_Mcached
implements Horde_Kolab_Server_Object_Interface
{
/**
* Link to the decorated object.
*
* @var Horde_Kolab_Server_Object
*/
private $_object;
/**
* The external attributes supported by this class.
*
* @var array
*/
protected $_attributes_ext;
/**
* The internal attributes required for this class.
*
* @var array
*/
protected $_attributes_int;
/**
* Does the object exist?
*
* @return boolean True if the object exists, false otherwise.
*/
private $_exists;
/**
* The cached internal result
*
* @var array
*/
private $_cache_int = array();
/**
* The cached external attribute values
*
* @var array
*/
private $_cache_ext = array();
/**
* A cache for the list of actions this object supports.
*
* @var array
*/
protected $_actions;
/**
* Initialize the Kolab Object. Provide either the GUID
*
* @param Horde_Kolab_Server_Composite $composite The link to the Kolab server.
* @param string $guid GUID of the object.
*/
public function __construct(
Horde_Kolab_Server_Object $object
) {
$this->_object = $object;
}
/**
* Get the GUID of this object
*
* @return string the GUID of this object
*/
public function getGuid()
{
return $this->_object->getGuid();
}
/**
* Get the external attributes supported by this object.
*
* @return array The external attributes supported by this object. This is a
* list of abbreviated attribute class names.
*/
public function getExternalAttributes()
{
if (empty($this->_attributes_ext)) {
$this->_attributes_ext = $this->_object->getExternalAttributes();
}
return $this->_attributes_ext;
}
/**
* Get the internal attributes supported by this object.
*
* @return array The internal attributes supported by this object. This is
* an association of internal attribute names an the correspodning attribute
* class names.
*/
public function getInternalAttributes()
{
if (empty($this->_attributes_int)) {
$this->_attributes_int = $this->_object->getInternalAttributes();
}
return $this->_attributes_int;
}
/**
* Set the internal data of this object.
*
* @param array $data A data array for the object.
*
* @return NULL
*/
public function setInternalData(array $data)
{
$this->_cache_int = $data;
}
/**
* Does the object exist?
*
* @return NULL
*/
public function exists()
{
if ($this->_exists === null) {
$this->_exists = $this->_object->exists();
}
return $this->_exists;
}
/**
* Read the object data.
*
* @return array The read data.
*/
public function readInternal()
{
$this->_cache_int = array_merge(
$this->_cache_int,
$this->_object->readInternal()
);
}
/**
* Get the specified internal attributes.
*
* @param array $attributes The internal attribute.
*
* @return array The value(s) of these attribute
*/
public function getInternal(array $attributes)
{
if (!isset($this->_cache_int[$attr])) {
if (!in_array($attr, array_keys($this->getInternalAttributes()))) {
throw new Horde_Kolab_Server_Exception(sprintf("Attribute \"%s\" not supported!",
$attr));
}
$this->_object->readInternal();
if (!isset($this->_cache_int[$attr])) {
throw new Horde_Kolab_Server_Exception(sprintf("Failed to read attribute \"%s\"!",
$attr));
}
}
return $this->_cache_int[$attr];
}
/**
* Get the specified attribute of this object.
*
* @param string $attr The attribute to read.
*
* @return mixed The value of this attribute.
*/
public function getExternal($attr)
{
if (!isset($this->_cache_ext[$attr])) {
$this->_cache_ext[$attr] = $this->_object->getExternal($attr);
}
return $this->_cache_ext[$attr];
}
/**
* Get the specified attribute of this object and ensure that only a single
* value is being returned.
*
* @param string $attr The attribute to read.
*
* @return mixed The value of this attribute.
*/
public function getSingle($attr)
{
return $this->_object->getSingle($attr);
}
/**
* Convert the object attributes to a hash.
*
* @param array $attrs The attributes to return.
* @param boolean $single Should only a single attribute be returned?
*
* @return array|PEAR_Error The hash representing this object.
*/
public function toHash(array $attrs = array(), $single = true)
{
return $this->_object->toHash($attrs, $single);
}
/**
* Saves object information. This may either create a new entry or modify an
* existing entry.
*
* Please note that fields with multiple allowed values require the callee
* to provide the full set of values for the field. Any old values that are
* not resubmitted will be considered to be deleted.
*
* @param array $info The information about the object.
*
* @return NULL
*
* @throws Horde_Kolab_Server_Exception If saving the data failed.
*/
public function save(array $info)
{
$this->_object->save($info);
/** Mark the object as existing */
$this->_exists = true;
/**
* Throw away the cache data to ensure it gets refetched in case we need
* to access it again
*/
$this->_cache_ext = array();
$this->_cache_int = array();
}
/**
* Delete this object.
*
* @return NULL
*
* @throws Horde_Kolab_Server_Exception If deleting the object failed.
*/
public function delete()
{
$this->_object->delete();
/** Mark the object as missing */
$this->_exists = false;
/**
* Throw away the cache data to ensure it gets refetched in case we need
* to access it again
*/
$this->_cache_ext = array();
$this->_cache_int = array();
}
/**
* Generates an ID for the given information.
*
* @param array &$info The data of the object.
*
* @return string The ID.
*/
public function generateId(array &$info)
{
$this->_object->generateId($info);
}
/**
* Distill the server side object information to save.
*
* @param array &$info The information about the object.
*
* @return NULL.
*
* @throws Horde_Kolab_Server_Exception If the given information contains errors.
*/
public function prepareObjectInformation(array &$info)
{
$this->_object->prepareObjectInformation($info);
}
/**
* Returns the set of actions supported by this object type.
*
* @return array An array of supported actions.
*/
public function getActions()
{
if (!isset($this->_actions)) {
$this->_actions = $this->_object->getActions();
}
return $this->_actions;
}
}
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