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<?php
/*
* Copyright 2015-2017 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 ArrayAccess;
use MongoDB\Exception\BadMethodCallException;
use function array_key_exists;
/**
* Database information model class.
*
* This class models the database information returned by the listDatabases
* command. It provides methods to access common database properties.
*
* @api
* @see \MongoDB\Client::listDatabases()
* @see http://docs.mongodb.org/manual/reference/command/listDatabases/
*/
class DatabaseInfo implements ArrayAccess
{
/** @var array */
private $info;
/**
* @param array $info Database info
*/
public function __construct(array $info)
{
$this->info = $info;
}
/**
* Return the collection info as an array.
*
* @see http://php.net/oop5.magic#language.oop5.magic.debuginfo
* @return array
*/
public function __debugInfo()
{
return $this->info;
}
/**
* Return the database name.
*
* @return string
*/
public function getName()
{
return (string) $this->info['name'];
}
/**
* Return the databases size on disk (in bytes).
*
* @return integer
*/
public function getSizeOnDisk()
{
/* The MongoDB server might return this number as an integer or float */
return (integer) $this->info['sizeOnDisk'];
}
/**
* Return whether the database is empty.
*
* @return boolean
*/
public function isEmpty()
{
return (boolean) $this->info['empty'];
}
/**
* Check whether a field exists in the database information.
*
* @see http://php.net/arrayaccess.offsetexists
* @param mixed $key
* @return boolean
*/
public function offsetExists($key)
{
return array_key_exists($key, $this->info);
}
/**
* Return the field's value from the database information.
*
* @see http://php.net/arrayaccess.offsetget
* @param mixed $key
* @return mixed
*/
public function offsetGet($key)
{
return $this->info[$key];
}
/**
* Not supported.
*
* @see http://php.net/arrayaccess.offsetset
* @param mixed $key
* @param mixed $value
* @throws BadMethodCallException
*/
public function offsetSet($key, $value)
{
throw BadMethodCallException::classIsImmutable(self::class);
}
/**
* Not supported.
*
* @see http://php.net/arrayaccess.offsetunset
* @param mixed $key
* @throws BadMethodCallException
*/
public function offsetUnset($key)
{
throw BadMethodCallException::classIsImmutable(self::class);
}
}