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<?php |
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declare(strict_types = 1); |
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namespace DataSource\DataMapper; |
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use ArrayIterator; |
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use DataSource\Connection; |
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use Behavioral\IdentityMap; |
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use BasePatterns\RecordSet\Row; |
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use Exception\ApplicationException; |
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use BasePatterns\RecordSet\RecordSet; |
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use MetadataMapping\Metadata\DataMap; |
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use DataSource\Exception\SQLException; |
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use BasePatterns\LayerSupertype\DomainObject; |
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abstract class AbstractMapper |
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{ |
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private Connection $db; |
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private ?DataMap $dataMap = null; |
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abstract protected function findStatement(): string; |
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abstract protected function loadDataMap(): DataMap; |
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public function __construct(Connection $connection) |
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{ |
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$this->db = $connection; |
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} |
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public function getDataMap() |
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{ |
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return $this->dataMap = $this->dataMap ?: $this->loadDataMap(); |
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} |
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public function findObjectsWhere(string $whereClause, array $bindValues): ArrayIterator |
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{ |
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$sql = sprintf( |
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"SELECT %s FROM %s WHERE %s", |
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$this->getDataMap()->columnList(), |
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$this->getDataMap()->getTableName(), |
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$whereClause |
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); |
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try { |
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$stmt = $this->db->prepare($sql); |
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$rs = $stmt->executeQuery($bindValues); |
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return $this->loadAll($rs); |
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} catch (SQLException $e) { |
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throw new ApplicationException( |
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$e->getMessage(), |
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(int) $e->getCode(), |
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$e |
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); |
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} |
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} |
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protected function abstractFind(int $id): DomainObject |
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{ |
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if ($result = IdentityMap::get($id, $this->getDataMap()->getDomainClass()->getName()) ?? null) { |
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return $result; |
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} |
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try { |
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$findStatement = $this->db->prepare($this->findStatement()); |
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$findStatement->bindValue(1, $id); |
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$rs = $findStatement->executeQuery(); |
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return $this->load($rs->current()); |
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} catch (SQLException $e) { |
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throw new ApplicationException( |
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$e->getMessage(), |
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(int) $e->getCode(), |
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$e |
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); |
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} |
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} |
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protected function findMany(StatementSource $source): ArrayIterator |
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{ |
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try { |
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$stmt = $this->db->prepare($source->getSql()); |
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foreach ($source->getParameters() as $i => $value) { |
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$stmt->bindValue($i, $value); |
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} |
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$rs = $stmt->executeQuery(); |
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return $this->loadAll($rs); |
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} catch (SQLException $e) { |
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throw new ApplicationException( |
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$e->getMessage(), |
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(int) $e->getCode(), |
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$e |
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); |
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} |
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} |
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protected function load(array $row): DomainObject |
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{ |
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$id = $row['id']; |
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if ($result = IdentityMap::get($id, $this->getDataMap()->getDomainClass()->getName()) ?? null) { |
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return $result; |
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} |
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$result = $this->getDataMap()->getDomainClass()->newInstanceWithoutConstructor(); |
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$result->setId($id); |
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$this->loadFields($row, $result); |
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IdentityMap::set($result); |
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return $result; |
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} |
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protected function loadAll(ArrayIterator $rs): ArrayIterator |
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{ |
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$result = \array_map([$this, 'load'], $rs->getArrayCopy()); |
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return new ArrayIterator($result); |
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} |
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private function loadFields(array $row, DomainObject $result): void |
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{ |
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foreach ($this->dataMap->getColumnMaps() as $columnMap) { |
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$columnMap->setField($result, $row[$columnMap->getColumnName()]); |
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} |
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} |
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} |
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akDeveloper /
patterns-eaa-in-php
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.