Ferran Recio
86 lines
2.7 KiB
PHP
86 lines
2.7 KiB
PHP
<?php
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/*
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* Copyright 2020-present MongoDB, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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namespace MongoDB\Operation;
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use ArrayIterator;
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use Iterator;
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use MongoDB\Command\ListDatabases as ListDatabasesCommand;
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use MongoDB\Driver\Exception\RuntimeException as DriverRuntimeException;
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use MongoDB\Driver\Server;
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use MongoDB\Exception\InvalidArgumentException;
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use MongoDB\Exception\UnexpectedValueException;
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use function array_column;
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/**
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* Operation for the ListDatabases command, returning only database names.
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*
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* @api
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* @see \MongoDB\Client::listDatabaseNames()
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* @see http://docs.mongodb.org/manual/reference/command/ListDatabases/
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*/
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class ListDatabaseNames implements Executable
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{
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/** @var ListDatabasesCommand */
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private $listDatabases;
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/**
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* Constructs a listDatabases command.
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*
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* Supported options:
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*
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* * authorizedDatabases (boolean): Determines which databases are returned
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* based on the user privileges.
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*
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* For servers < 4.0.5, this option is ignored.
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*
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* * filter (document): Query by which to filter databases.
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*
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* For servers < 3.6, this option is ignored.
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*
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* * maxTimeMS (integer): The maximum amount of time to allow the query to
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* run.
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*
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* * session (MongoDB\Driver\Session): Client session.
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*
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* Sessions are not supported for server versions < 3.6.
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*
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* @param array $options Command options
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* @throws InvalidArgumentException for parameter/option parsing errors
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*/
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public function __construct(array $options = [])
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{
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$this->listDatabases = new ListDatabasesCommand(['nameOnly' => true] + $options);
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}
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/**
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* Execute the operation.
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*
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* @see Executable::execute()
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* @param Server $server
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* @return Iterator
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* @throws UnexpectedValueException if the command response was malformed
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* @throws DriverRuntimeException for other driver errors (e.g. connection errors)
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*/
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public function execute(Server $server) : Iterator
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{
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$result = $this->listDatabases->execute($server);
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return new ArrayIterator(array_column($result, 'name'));
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}
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}
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