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<?php |
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/* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* This software consists of voluntary contributions made by many individuals |
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* and is licensed under the MIT license. For more information, see |
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* <http://www.doctrine-project.org>. |
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*/ |
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namespace Doctrine\ODM\MongoDB\Id; |
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use Doctrine\ODM\MongoDB\DocumentManager; |
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/** |
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* IncrementGenerator is responsible for generating auto increment identifiers. It uses |
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* a collection and generates the next id by using $inc on a field named "current_id". |
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* |
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* The 'collection' property determines which collection name is used to store the |
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* id values. If not specified it defaults to 'doctrine_increment_ids'. |
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* |
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* The 'key' property determines the document ID used to store the id values in the |
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* collection. If not specified it defaults to the name of the collection for the |
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* document. |
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* |
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* @since 1.0 |
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*/ |
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class IncrementGenerator extends AbstractIdGenerator |
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{ |
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protected $collection = null; |
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protected $key = null; |
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public function setCollection($collection) |
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{ |
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$this->collection = $collection; |
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} |
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public function setKey($key) |
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{ |
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$this->key = $key; |
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} |
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/** @inheritDoc */ |
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public function generate(DocumentManager $dm, $document) |
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{ |
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$className = get_class($document); |
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$db = $dm->getDocumentDatabase($className); |
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$coll = $this->collection ?: 'doctrine_increment_ids'; |
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$key = $this->key ?: $dm->getDocumentCollection($className)->getName(); |
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$query = array('_id' => $key); |
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$newObj = array('$inc' => array('current_id' => 1)); |
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$command = array(); |
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$command['findandmodify'] = $coll; |
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$command['query'] = $query; |
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$command['update'] = $newObj; |
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$command['upsert'] = true; |
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$command['new'] = true; |
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$result = $db->command($command); |
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return $result['value']['current_id']; |
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} |
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} |
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doctrine /
mongodb-odm
