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<?php
/**
* PHP OpenCloud library.
*
* @copyright Copyright 2014 Rackspace US, Inc. See COPYING for licensing information.
* @license https://www.apache.org/licenses/LICENSE-2.0 Apache 2.0
* @version 1.6.0
* @author Glen Campbell <glen.campbell@rackspace.com>
* @author Jamie Hannaford <jamie.hannaford@rackspace.com>
*/
namespace OpenCloud\LoadBalancer\Resource;
use Guzzle\Http\Exception\ClientErrorResponseException;
use OpenCloud\Common\PersistentObject;
use OpenCloud\Common\Lang;
/**
* SubResource is an abstract class that handles subresources of a
* LoadBalancer object; for example, the
* `/loadbalancers/{id}/errorpage`. Since most of the subresources are
* handled in a similar manner, this consolidates the functions.
*
* There are really four pieces of data that define a subresource:
* * `$url_resource` - the actual name of the url component
* * `$json_name` - the name of the JSON object holding the data
* * `$json_collection_name` - if the collection is not simply
* `$json_name . 's'`, this defines the collectio name.
* * `$json_collection_element` - if the object in a collection is not
* anonymous, this defines the name of the element holding the object.
* Of these, only the `$json_name` and `$url_resource` are required.
*/
abstract class SubResource extends PersistentObject
{
/**
* This method needs attention.
*
* @codeCoverageIgnore
*/
public function initialRefresh()
{
if (isset($this->id)) {
$this->refresh();
} else {
$entity = (method_exists($this->getParent(), 'url')) ? $this->getParent() : $this->getService();
$this->refresh(null, $entity->url($this->resourceName()));
}
}
/**
* returns the JSON document's object for creating the subresource
*
* The value `$_create_keys` should be an array of names of data items
* that can be used in the creation of the object.
*
* @return \stdClass;
*/
protected function createJson()
{
$object = new \stdClass;
foreach ($this->createKeys as $item) {
$object->$item = $this->$item;
}
if ($top = $this->jsonName()) {
$object = (object) array($top => $object);
}
return $object;
}
/**
* returns the JSON for the update (same as create)
*
* For these subresources, the update JSON is the same as the Create JSON
* @return \stdClass
*/
protected function updateJson($params = array())
{
return $this->createJson();
}
/**
* returns a (default) name of the object
*
* The name is constructed by the object class and the object's ID.
*
* @api
* @return string
*/
public function name()
{
$classArray = explode('\\', get_class($this));
return method_exists($this->getParent(), 'id')
? sprintf('%s-%s', end($classArray), $this->getParent()->id())
: parent::name();
}
public function refresh($id = null, $url = null)
{
try {
return parent::refresh($id, $url);
} catch (ClientErrorResponseException $e) {
return false;
}
}
}
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