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<?php
/**
* Copyright 2012-2014 Rackspace US, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace OpenCloud\Autoscale\Resource;
use OpenCloud\Common\PersistentObject;
/**
* Contains generic, abstracted functionality for Autoscale resources.
*/
abstract class AbstractResource extends PersistentObject
{
/**
* These are used to set the object used for JSON encode.
*
* @var array
*/
public $createKeys = array();
/**
* These resources are associated with this one. When this resource object
* is populated, if a key is found matching one of these array keys, it is
* set as an instantiated resource object (rather than an arbitrary string
* or stdClass object).
*
* @var array
*/
public $associatedResources = array();
/**
* Same as an associated resource, but it's instantiated as a Collection.
*
* @var array
*/
public $associatedCollections = array();
/**
* Creates the object which will be JSON encoded for request.
*
* @return \stdClass
*/
public function createJson()
{
$object = new \stdClass;
foreach ($this->createKeys as $key) {
if ($value = $this->getProperty($key)) {
$object->$key = $value;
}
}
if (count($this->metadata)) {
$object->metadata = new \stdClass;
foreach ($this->getMetadata()->toArray() as $key => $value) {
$object->metadata->$key = $value;
}
}
return $object;
}
/**
* Creates the object which will be JSON encoded for request.
*
* @return array
*/
protected function updateJson($params = array())
{
$existing = array();
foreach ($this->createKeys as $key) {
$existing[$key] = $this->$key;
}
return $existing + $params;
}
public function primaryKeyField()
{
return 'id';
}
}