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<?php |
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/** |
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* @company MTE Telecom, Ltd. |
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* @author Roman Malashin <[email protected]> |
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*/ |
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namespace Nnx\DataGrid\Adapter; |
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use Doctrine\Common\Persistence\ObjectManager; |
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use Doctrine\DBAL\Query\QueryBuilder; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Traversable; |
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/** |
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* Class DoctrineDBAL |
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* @package Nnx\DataGrid\Adapter |
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*/ |
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class DoctrineDBAL extends AbstractAdapter implements EntityManagerAwareInterface, PaginatorAdapterInterface |
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{ |
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use PaginatorAdapterTrait; |
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/** |
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* Запрос данных |
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* @var QueryBuilder |
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*/ |
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protected $query; |
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/** |
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* Запрос на подсчет данных |
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* @var QueryBuilder |
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*/ |
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protected $countQuery; |
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/** |
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* Параметры сортировки |
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* @var array |
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*/ |
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protected $order; |
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/** |
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* @var int |
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*/ |
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protected $limit = 25; |
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/** |
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* @var int |
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*/ |
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protected $offset = 0; |
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/** |
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* Alias корневой сущности |
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* @var string |
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*/ |
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protected $rootAlias; |
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/** |
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* @var EntityManagerInterface |
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*/ |
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protected $entityManager; |
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/** |
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* Проверяет корректность запроса |
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* @throws Exception\RuntimeException |
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*/ |
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protected function validateQuery() |
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{ |
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if (!$this->getQuery()) { |
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throw new Exception\RuntimeException('Не задан query'); |
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} |
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$query = $this->getQuery(); |
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if (!$query instanceof QueryBuilder) { |
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throw new Exception\RuntimeException(sprintf('Query должен наследоваться от %s', QueryBuilder::class)); |
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} |
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} |
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/** |
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* Возвращает данные для грида |
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* @return array |
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* @throws Exception\RuntimeException |
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*/ |
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public function getData() |
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{ |
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$this->validateQuery(); |
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$query = $this->getQuery(); |
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if ($this->getCount()) { |
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$query = clone $query; |
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} |
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$order = $this->getOrder(); |
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if ((is_array($order) || $order instanceof Traversable) && 0 !== count($order)) { |
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$query->resetQueryPart('orderBy'); |
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foreach ($order as $orderPart) { |
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if (array_key_exists('field', $orderPart) && $orderPart['field']) { |
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$query->addOrderBy($orderPart['field'], |
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array_key_exists('order', $orderPart) && $orderPart['order'] ? $orderPart['order'] : null); |
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} |
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} |
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} |
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$query = $this->prepareConditions($query); |
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$result = $query->setMaxResults($this->getLimit()) |
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->setFirstResult($this->getOffset()) |
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->execute(); |
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return $result->fetchAll(); |
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} |
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/** |
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* @param QueryBuilder $query |
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* @return QueryBuilder |
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*/ |
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protected function prepareConditions($query) |
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{ |
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$i = 0; |
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if (count($this->getConditions()) !== 0) { |
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foreach ($this->getConditions() as $condition) { |
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$conditionKey = 'NNXGridCondition_' . $i; |
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$query->andWhere($condition->getKey() . ' ' . $condition->getCriteria() . ' :' . $conditionKey); |
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$query->setParameter($conditionKey, $condition->getValue()); |
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$i++; |
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} |
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} |
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return $query; |
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} |
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/** |
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* @return int |
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* @throws Exception\RuntimeException |
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*/ |
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public function getCount() |
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{ |
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if ($this->count !== null) { |
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$res = $this->count; |
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} else { |
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if (!$this->getCountQuery() && !$this->getQuery()) { |
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throw new Exception\RuntimeException('Не задан query для адаптера Grid'); |
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} elseif (!$this->getCountQuery()) { |
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$query = $this->getQuery(); |
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if (!$query instanceof QueryBuilder) { |
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throw new Exception\RuntimeException(sprintf('Query должен наследоваться от %s', QueryBuilder::class)); |
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} |
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$query = clone $query; |
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$this->setCountQuery($query |
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->select('COUNT(DISTINCT ' . $this->getRootAlias() . '.id) AS total_results') |
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->resetQueryParts(['groupBy', 'orderBy']) |
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->setMaxResults(1) |
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); |
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} |
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$stmt = $this->getCountQuery()->execute(); |
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$res = $this->count = (int)$stmt->fetchColumn(0); |
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} |
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return $res; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function init() |
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{ |
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} |
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/** |
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* @return QueryBuilder |
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*/ |
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public function getQuery() |
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{ |
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return $this->query; |
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} |
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/** |
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* @param QueryBuilder $query |
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* @return $this |
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*/ |
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public function setQuery($query) |
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{ |
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$this->query = $query; |
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return $this; |
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} |
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/** |
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* @return array |
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*/ |
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public function getOrder() |
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{ |
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return $this->order; |
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} |
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/** |
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* [['field'=> 'u.username', 'order' => 'DESC'],['field' => 'u.create_date_time']] |
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* @param array | Traversable $order |
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* @return $this |
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*/ |
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public function setOrder($order) |
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{ |
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$this->order = $order; |
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return $this; |
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} |
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/** |
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* @return int |
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*/ |
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public function getLimit() |
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{ |
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return $this->limit; |
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} |
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/** |
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* @param int $limit |
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* @return $this |
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*/ |
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public function setLimit($limit) |
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{ |
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$this->limit = $limit; |
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return $this; |
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} |
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/** |
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* @return int |
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*/ |
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public function getOffset() |
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{ |
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return $this->offset; |
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} |
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/** |
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* @param int $offset |
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* @return $this |
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*/ |
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public function setOffset($offset) |
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{ |
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$this->offset = $offset; |
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return $this; |
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} |
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/** |
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* @return QueryBuilder |
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*/ |
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public function getCountQuery() |
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{ |
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return $this->countQuery; |
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} |
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/** |
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* @param QueryBuilder $countQuery |
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* @return $this |
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*/ |
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public function setCountQuery($countQuery) |
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{ |
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$this->countQuery = $countQuery; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getRootAlias() |
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{ |
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return $this->rootAlias; |
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} |
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/** |
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* @param string $rootAlias |
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* @return $this |
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*/ |
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public function setRootAlias($rootAlias) |
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{ |
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$this->rootAlias = $rootAlias; |
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return $this; |
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} |
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/** |
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* @return EntityManagerInterface |
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*/ |
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public function getEntityManager() |
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{ |
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return $this->entityManager; |
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} |
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/** |
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* @param ObjectManager|EntityManagerInterface $entityManager |
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* @return $this |
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*/ |
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public function setEntityManager(EntityManagerInterface $entityManager) |
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{ |
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$this->entityManager = $entityManager; |
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return $this; |
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} |
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} |
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This check looks for multiple assignments in successive lines of code. It will report an issue if the operators are not in a straight line.
To visualize
will produce issues in the first and second line, while this second example
will produce no issues.