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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2021 Robin Appelman <robin@icewind.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Files\Search\QueryOptimizer;
use OCP\Files\Search\ISearchBinaryOperator;
use OCP\Files\Search\ISearchOperator;
class QueryOptimizerStep {
/**
* Allow optimizer steps to inspect the entire query before starting processing
*
* @param ISearchOperator $operator
* @return void
*/
public function inspectOperator(ISearchOperator $operator): void {
if ($operator instanceof ISearchBinaryOperator) {
foreach ($operator->getArguments() as $argument) {
$this->inspectOperator($argument);
}
}
}
/**
* Allow optimizer steps to modify query operators
*
* @param ISearchOperator $operator
* @return void
*/
public function processOperator(ISearchOperator &$operator) {
if ($operator instanceof ISearchBinaryOperator) {
foreach ($operator->getArguments() as $argument) {
$this->processOperator($argument);
}
}
}
}
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