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<?php |
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/** |
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* @copyright Copyright (C) eZ Systems AS. All rights reserved. |
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* @license For full copyright and license information view LICENSE file distributed with this source code. |
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*/ |
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namespace eZ\Publish\Core\Persistence\Legacy\URL\Query; |
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use eZ\Publish\API\Repository\Exceptions\NotImplementedException; |
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use eZ\Publish\API\Repository\Values\URL\Query\Criterion; |
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use eZ\Publish\Core\Persistence\Database\SelectQuery; |
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class CriteriaConverter |
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{ |
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/** |
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* Criterion handlers. |
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* |
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* @var \eZ\Publish\Core\Persistence\Legacy\URL\Query\CriterionHandler[] |
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*/ |
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protected $handlers; |
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/** |
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* Construct from an optional array of Criterion handlers. |
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* |
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* @param \eZ\Publish\Core\Persistence\Legacy\URL\Query\CriterionHandler[] $handlers |
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*/ |
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public function __construct(array $handlers = []) |
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{ |
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$this->handlers = $handlers; |
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} |
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/** |
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* Adds handler. |
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* |
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* @param \eZ\Publish\Core\Persistence\Legacy\URL\Query\CriterionHandler $handler |
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*/ |
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public function addHandler(CriterionHandler $handler) |
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{ |
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$this->handlers[] = $handler; |
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} |
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/** |
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* Generic converter of criteria into query fragments. |
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* |
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* @throws \eZ\Publish\API\Repository\Exceptions\NotImplementedException if Criterion is not applicable to its target |
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* |
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* @param \eZ\Publish\Core\Persistence\Database\SelectQuery $query |
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* @param \eZ\Publish\API\Repository\Values\URL\Query\Criterion $criterion |
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* @return \eZ\Publish\Core\Persistence\Database\Expression|string |
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*/ |
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public function convertCriteria(SelectQuery $query, Criterion $criterion) |
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{ |
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foreach ($this->handlers as $handler) { |
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if ($handler->accept($criterion)) { |
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return $handler->handle($this, $query, $criterion); |
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} |
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} |
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throw new NotImplementedException( |
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'No visitor available for: ' . get_class($criterion) |
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); |
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} |
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} |
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ezsystems /
ezpublish-kernel
