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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\Aggregation\Stage; |
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use Doctrine\ODM\MongoDB\Aggregation\Builder; |
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use Doctrine\ODM\MongoDB\Aggregation\Stage; |
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/** |
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* Fluent interface for adding a $count stage to an aggregation pipeline. |
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* |
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* @author alcaeus <[email protected]> |
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* @since 1.5 |
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*/ |
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class Count extends Stage |
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{ |
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/** |
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* @var string |
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*/ |
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private $fieldName; |
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/** |
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* @param Builder $builder |
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* @param string $fieldName |
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*/ |
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public function __construct(Builder $builder, $fieldName) |
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{ |
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parent::__construct($builder); |
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$this->fieldName = $fieldName; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getExpression() |
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{ |
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return [ |
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'$count' => $this->fieldName |
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]; |
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} |
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} |
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doctrine /
mongodb-odm
