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<?php
/*
* Copyright 2016-present MongoDB, 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 MongoDB\Model;
use ArrayObject;
use JsonSerializable;
use MongoDB\BSON\Serializable;
use MongoDB\BSON\Unserializable;
use function MongoDB\recursive_copy;
/**
* Model class for a BSON document.
*
* The internal data will be cast to an object during BSON serialization to
* ensure that it becomes a BSON document.
*
* @api
*/
class BSONDocument extends ArrayObject implements JsonSerializable, Serializable, Unserializable
{
/**
* Deep clone this BSONDocument.
*/
public function __clone()
{
foreach ($this as $key => $value) {
$this[$key] = recursive_copy($value);
}
}
/**
* This overrides the parent constructor to allow property access of entries
* by default.
*
* @see http://php.net/arrayobject.construct
* @param array $input
* @param integer $flags
* @param string $iterator_class
*/
public function __construct($input = [], $flags = ArrayObject::ARRAY_AS_PROPS, $iterator_class = 'ArrayIterator')
{
parent::__construct($input, $flags, $iterator_class);
}
/**
* Factory method for var_export().
*
* @see http://php.net/oop5.magic#object.set-state
* @see http://php.net/var-export
* @param array $properties
* @return self
*/
public static function __set_state(array $properties)
{
$document = new static();
$document->exchangeArray($properties);
return $document;
}
/**
* Serialize the document to BSON.
*
* @see http://php.net/mongodb-bson-serializable.bsonserialize
* @return object
*/
public function bsonSerialize()
{
return (object) $this->getArrayCopy();
}
/**
* Unserialize the document to BSON.
*
* @see http://php.net/mongodb-bson-unserializable.bsonunserialize
* @param array $data Array data
*/
public function bsonUnserialize(array $data)
{
parent::__construct($data, ArrayObject::ARRAY_AS_PROPS);
}
/**
* Serialize the array to JSON.
*
* @see http://php.net/jsonserializable.jsonserialize
* @return object
*/
public function jsonSerialize()
{
return (object) $this->getArrayCopy();
}
}