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<?php |
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/* |
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* To change this license header, choose License Headers in Project Properties. |
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* To change this template file, choose Tools | Templates |
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* and open the template in the editor. |
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*/ |
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namespace Maslosoft\Mangan\Bridge; |
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/** |
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* MongoCollection implementation (somewhat) compatible with legacy mongo extension |
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* |
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* @author Piotr Maselkowski <pmaselkowski at gmail.com> |
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*/ |
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class MongoCollection |
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{ |
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/** |
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* Creates a new collection |
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* |
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* @param MongoDB $db - Parent database. |
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* @param string $name - |
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* |
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* @return - Returns a new collection object. |
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*/ |
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public function __construct(MongoDB $db, $name) |
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{ |
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$this->db = $db; |
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$this->name = $name; |
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$this->readPreference = $db->getReadPreference(); |
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$this->fqn = $db->_getFullCollectionName($name); |
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$this->client = $db->_getClient(); |
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} |
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/** |
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* Counts the number of documents in this collection |
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* |
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* @param array $query - Associative array or object with fields to |
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* match. |
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* @param int $limit - Specifies an upper limit to the number returned. |
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* @param int $skip - Specifies a number of results to skip before |
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* starting the count. |
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* |
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* @return int - Returns the number of documents matching the query. |
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*/ |
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public function count(array $query = [], $limit = 0, $skip = 0) |
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{ |
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$cmd = [ |
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'count' => $this->name, |
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'query' => $query |
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]; |
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if ($limit) |
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{ |
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$cmd['limit'] = $limit; |
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} |
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if ($skip) |
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{ |
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$cmd['skip'] = $skip; |
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} |
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$result = $this->db->command($cmd); |
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if (isset($result['ok'])) |
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{ |
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return (int) $result['n']; |
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} |
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return false; |
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} |
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/** |
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* Queries this collection, returning a for the result set |
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* |
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* @param array $query - The fields for which to search. MongoDB's |
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* query language is quite extensive. |
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* @param array $fields - Fields of the results to return. |
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* |
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* @return MongoCursor - Returns a cursor for the search results. |
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*/ |
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public function find(array $query = [], array $fields = []) |
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{ |
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return new MongoCursor($this->client, $this->fqn, $query, $fields); |
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} |
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/** |
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* Queries this collection, returning a single element |
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* |
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* @param array $query - The fields for which to search. MongoDB's |
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* query language is quite extensive. |
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* @param array $fields - Fields of the results to return. |
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* |
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* @return array - Returns record matching the search or NULL. |
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*/ |
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public function findOne($query = [], array $fields = []) |
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{ |
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$cursor = $this->find($query, $fields)->limit(1); |
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return $cursor->getNext(); |
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} |
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} |
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This check marks PHPDoc comments that could not be parsed by our parser. To see which comment annotations we can parse, please refer to our documentation on supported doc-types.