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64 lines
1.4 KiB
64 lines
1.4 KiB
11 years ago
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<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\mongo;
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use yii\base\Object;
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use Yii;
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/**
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* Database represents the Mongo database information.
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*
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* @author Paul Klimov <klimov.paul@gmail.com>
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* @since 2.0
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*/
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class Database extends Object
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{
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/**
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* @var \MongoDB Mongo database instance.
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*/
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public $mongoDb;
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/**
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* @var Collection[] list of collections.
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*/
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private $_collections = [];
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/**
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* Returns the Mongo collection with the given name.
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* @param string $name collection name
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* @param boolean $refresh whether to reload the table schema even if it is found in the cache.
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* @return Collection mongo collection instance.
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*/
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public function getCollection($name, $refresh = false)
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{
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if ($refresh || !array_key_exists($name, $this->_collections)) {
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$this->_collections[$name] = $this->selectCollection($name);
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}
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return $this->_collections[$name];
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}
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/**
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* Selects collection with given name.
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* @param string $name collection name.
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* @return Collection collection instance.
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*/
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protected function selectCollection($name)
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{
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return Yii::createObject([
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'class' => 'yii\mongo\Collection',
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'mongoCollection' => $this->mongoDb->selectCollection($name)
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]);
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}
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/**
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* Drops this database.
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*/
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public function drop()
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{
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$this->mongoDb->drop();
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}
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}
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