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<?php
declare(strict_types=1);
namespace Doctrine\ORM\Internal\Hydration;
use Doctrine\ORM\Internal\SQLResultCasing;
use Doctrine\ORM\Mapping\ClassMetadata;
use Doctrine\ORM\Mapping\MappingException;
use Doctrine\ORM\Query;
use Exception;
use RuntimeException;
use ValueError;
use function array_keys;
use function array_search;
use function count;
use function in_array;
use function key;
use function reset;
use function sprintf;
class SimpleObjectHydrator extends AbstractHydrator
{
use SQLResultCasing;
/** @var ClassMetadata */
private $class;
/**
* {@inheritdoc}
*/
protected function prepare()
{
if (count($this->resultSetMapping()->aliasMap) !== 1) {
throw new RuntimeException('Cannot use SimpleObjectHydrator with a ResultSetMapping that contains more than one object result.');
}
if ($this->resultSetMapping()->scalarMappings) {
throw new RuntimeException('Cannot use SimpleObjectHydrator with a ResultSetMapping that contains scalar mappings.');
}
$this->class = $this->getClassMetadata(reset($this->resultSetMapping()->aliasMap));
}
/**
* {@inheritdoc}
*/
protected function cleanup()
{
parent::cleanup();
$this->_uow->triggerEagerLoads();
$this->_uow->hydrationComplete();
}
/**
* {@inheritdoc}
*/
protected function hydrateAllData()
{
$result = [];
while ($row = $this->statement()->fetchAssociative()) {
$this->hydrateRowData($row, $result);
}
$this->_em->getUnitOfWork()->triggerEagerLoads();
return $result;
}
/**
* {@inheritdoc}
*/
protected function hydrateRowData(array $row, array &$result)
{
$entityName = $this->class->name;
$data = [];
$discrColumnValue = null;
// We need to find the correct entity class name if we have inheritance in resultset
if ($this->class->inheritanceType !== ClassMetadata::INHERITANCE_TYPE_NONE) {
$discrColumn = $this->class->getDiscriminatorColumn();
$discrColumnName = $this->getSQLResultCasing($this->_platform, $discrColumn['name']);
// Find mapped discriminator column from the result set.
$metaMappingDiscrColumnName = array_search($discrColumnName, $this->resultSetMapping()->metaMappings, true);
if ($metaMappingDiscrColumnName) {
$discrColumnName = $metaMappingDiscrColumnName;
}
if (! isset($row[$discrColumnName])) {
throw HydrationException::missingDiscriminatorColumn(
$entityName,
$discrColumnName,
key($this->resultSetMapping()->aliasMap)
);
}
if ($row[$discrColumnName] === '') {
throw HydrationException::emptyDiscriminatorValue(key(
$this->resultSetMapping()->aliasMap
));
}
$discrMap = $this->class->discriminatorMap;
if (! isset($discrMap[$row[$discrColumnName]])) {
throw HydrationException::invalidDiscriminatorValue($row[$discrColumnName], array_keys($discrMap));
}
$entityName = $discrMap[$row[$discrColumnName]];
$discrColumnValue = $row[$discrColumnName];
unset($row[$discrColumnName]);
}
foreach ($row as $column => $value) {
// An ObjectHydrator should be used instead of SimpleObjectHydrator
if (isset($this->resultSetMapping()->relationMap[$column])) {
throw new Exception(sprintf('Unable to retrieve association information for column "%s"', $column));
}
$cacheKeyInfo = $this->hydrateColumnInfo($column);
if (! $cacheKeyInfo) {
continue;
}
// If we have inheritance in resultset, make sure the field belongs to the correct class
if (isset($cacheKeyInfo['discriminatorValues']) && ! in_array((string) $discrColumnValue, $cacheKeyInfo['discriminatorValues'], true)) {
continue;
}
// Check if value is null before conversion (because some types convert null to something else)
$valueIsNull = $value === null;
// Convert field to a valid PHP value
if (isset($cacheKeyInfo['type'])) {
$type = $cacheKeyInfo['type'];
$value = $type->convertToPHPValue($value, $this->_platform);
}
if ($value !== null && isset($cacheKeyInfo['enumType'])) {
$originalValue = $value;
try {
$value = $this->buildEnum($originalValue, $cacheKeyInfo['enumType']);
} catch (ValueError $e) {
throw MappingException::invalidEnumValue(
$entityName,
$cacheKeyInfo['fieldName'],
(string) $originalValue,
$cacheKeyInfo['enumType'],
$e
);
}
}
$fieldName = $cacheKeyInfo['fieldName'];
// Prevent overwrite in case of inherit classes using same property name (See AbstractHydrator)
if (! isset($data[$fieldName]) || ! $valueIsNull) {
$data[$fieldName] = $value;
}
}
if (isset($this->_hints[Query::HINT_REFRESH_ENTITY])) {
$this->registerManaged($this->class, $this->_hints[Query::HINT_REFRESH_ENTITY], $data);
}
$uow = $this->_em->getUnitOfWork();
$entity = $uow->createEntity($entityName, $data, $this->_hints);
$result[] = $entity;
if (isset($this->_hints[Query::HINT_INTERNAL_ITERATION]) && $this->_hints[Query::HINT_INTERNAL_ITERATION]) {
$this->_uow->hydrationComplete();
}
}
}
|
