Completed
Pull Request — master (#1419)
by Robert
11:09 queued 01:09
created

IncrementGenerator::generate()   A

Complexity

Conditions 3
Paths 4

Size

Total Lines 20
Code Lines 15

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 15
CRAP Score 3

Importance

Changes 1
Bugs 0 Features 0
Metric Value
c 1
b 0
f 0
dl 0
loc 20
ccs 15
cts 15
cp 1
rs 9.4285
cc 3
eloc 15
nc 4
nop 2
crap 3
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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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