Ferran Recio
67 lines
1.9 KiB
PHP
67 lines
1.9 KiB
PHP
<?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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use IteratorIterator;
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use Traversable;
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/**
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* CollectionInfoIterator for listCollections command results.
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*
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* This iterator may be used to wrap a Cursor returned by the listCollections
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* command.
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*
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* @internal
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* @see \MongoDB\Database::listCollections()
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* @see https://github.com/mongodb/specifications/blob/master/source/enumerate-collections.rst
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* @see http://docs.mongodb.org/manual/reference/command/listCollections/
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*/
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class CollectionInfoCommandIterator extends IteratorIterator implements CollectionInfoIterator
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{
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/** @var string|null */
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private $databaseName;
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/**
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* @param string|null $databaseName
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*/
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public function __construct(Traversable $iterator, $databaseName = null)
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{
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parent::__construct($iterator);
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$this->databaseName = $databaseName;
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}
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/**
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* Return the current element as a CollectionInfo instance.
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*
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* @see CollectionInfoIterator::current()
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* @see http://php.net/iterator.current
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* @return CollectionInfo
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*/
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public function current()
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{
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$info = parent::current();
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if ($this->databaseName !== null && isset($info['idIndex']) && ! isset($info['idIndex']['ns'])) {
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$info['idIndex']['ns'] = $this->databaseName . '.' . $info['name'];
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}
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return new CollectionInfo($info);
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}
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}
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