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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\Image\Resource;
use OpenCloud\Common\Resource\BaseResource;
/**
* Class that represents abstracted functionality for JSON schema objects. Because the nature of these objects is so
* dynamic (i.e. their structure is determined by an API-generated schema document), they implement the \ArrayAccess
* SPL interface. This allows them to be accessed as arrays - which is very useful for undefined properties.
*
* @package OpenCloud\Images\Resource
* @codeCoverageIgnore
*/
abstract class AbstractSchemaResource extends BaseResource implements \ArrayAccess
{
/** @var string The ID of this resource */
protected $id;
/** @var array The internal elements of this model */
protected $data = array();
/**
* @param array $data
*/
public function setData(array $data)
{
$this->data = $data;
}
/**
* @return array
*/
public function getData()
{
return $this->data;
}
/**
* @param $id
*/
public function setId($id)
{
$this->id = (string) $id;
}
/**
* @return string
*/
public function getId()
{
return $this->id;
}
/**
* Sets a value to a particular offset.
*
* @param mixed $offset
* @param mixed $value
*/
public function offsetSet($offset, $value)
{
if ($offset === null) {
$this->data[] = $value;
} else {
$this->data[$offset] = $value;
}
}
/**
* Checks to see whether a particular offset key exists.
*
* @param mixed $offset
* @return bool
*/
public function offsetExists($offset)
{
return array_key_exists($offset, $this->data);
}
/**
* Unset a particular key.
*
* @param mixed $offset
*/
public function offsetUnset($offset)
{
unset($this->data[$offset]);
}
/**
* Get the value for a particular offset key.
*
* @param mixed $offset
* @return mixed|null
*/
public function offsetGet($offset)
{
return $this->offsetExists($offset) ? $this->data[$offset] : null;
}
}