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97 lines
2.3 KiB
97 lines
2.3 KiB
<?php
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/*
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* Copyright 2015-2017 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\Model;
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/**
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* DatabaseInfoIterator for inline listDatabases command results.
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*
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* This iterator may be used to wrap the array returned within the listDatabases
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* command's single-document result.
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*
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* @internal
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* @see \MongoDB\Client::listDatabases()
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* @see http://docs.mongodb.org/manual/reference/command/listDatabases/
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*/
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class DatabaseInfoLegacyIterator implements DatabaseInfoIterator
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{
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private $databases;
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/**
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* Constructor.
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*
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* @param array $databases
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*/
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public function __construct(array $databases)
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{
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$this->databases = $databases;
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}
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/**
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* Return the current element as a DatabaseInfo instance.
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*
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* @see DatabaseInfoIterator::current()
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* @see http://php.net/iterator.current
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* @return DatabaseInfo
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*/
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public function current()
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{
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return new DatabaseInfo(current($this->databases));
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}
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/**
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* Return the key of the current element.
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*
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* @see http://php.net/iterator.key
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* @return integer
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*/
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public function key()
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{
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return key($this->databases);
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}
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/**
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* Move forward to next element.
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*
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* @see http://php.net/iterator.next
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*/
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public function next()
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{
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next($this->databases);
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}
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/**
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* Rewind the Iterator to the first element.
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*
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* @see http://php.net/iterator.rewind
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*/
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public function rewind()
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{
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reset($this->databases);
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}
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/**
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* Checks if current position is valid.
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*
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* @see http://php.net/iterator.valid
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* @return boolean
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*/
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public function valid()
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{
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return key($this->databases) !== null;
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}
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}
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