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<?php |
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/** |
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* This file is part of the Happyr Doctrine Specification package. |
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* |
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* (c) Tobias Nyholm <[email protected]> |
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* Kacper Gunia <[email protected]> |
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* Peter Gribanov <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Happyr\DoctrineSpecification\Query\Selection; |
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use Doctrine\ORM\QueryBuilder; |
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use Happyr\DoctrineSpecification\Filter\Filter; |
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use Happyr\DoctrineSpecification\Operand\ArgumentToOperandConverter; |
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use Happyr\DoctrineSpecification\Operand\Operand; |
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abstract class AbstractSelectAs implements Selection |
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{ |
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/** |
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* @var Operand|Filter|string |
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*/ |
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private $expression; |
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/** |
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* @var string |
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*/ |
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private $alias = ''; |
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/** |
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* @param Filter|Operand|string $expression |
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* @param string $alias |
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*/ |
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public function __construct($expression, $alias) |
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{ |
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$this->expression = $expression; |
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$this->alias = $alias; |
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} |
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/** |
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* @param QueryBuilder $qb |
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* @param string $dqlAlias |
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* |
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* @return string |
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*/ |
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public function transform(QueryBuilder $qb, $dqlAlias) |
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{ |
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if ($this->expression instanceof Filter) { |
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$expression = $this->expression->getFilter($qb, $dqlAlias); |
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} else { |
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$expression = ArgumentToOperandConverter::toField($this->expression); |
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$expression = $expression->transform($qb, $dqlAlias); |
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} |
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return sprintf($this->getAliasFormat(), $expression, $this->alias); |
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} |
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/** |
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* Return a select format. |
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* |
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* @return string |
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*/ |
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abstract protected function getAliasFormat(); |
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} |
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Happyr /
Doctrine-Specification
