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<?php
/*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Internal\Hydration;
use PDO;
use Doctrine\ORM\Mapping\ClassMetadata;
use Doctrine\ORM\Query;
use function array_keys;
use function in_array;
class SimpleObjectHydrator extends AbstractHydrator
{
/**
* @var ClassMetadata
*/
private $class;
/**
* {@inheritdoc}
*/
protected function prepare()
{
if (count($this->_rsm->aliasMap) !== 1) {
throw new \RuntimeException("Cannot use SimpleObjectHydrator with a ResultSetMapping that contains more than one object result.");
}
if ($this->_rsm->scalarMappings) {
throw new \RuntimeException("Cannot use SimpleObjectHydrator with a ResultSetMapping that contains scalar mappings.");
}
$this->class = $this->getClassMetadata(reset($this->_rsm->aliasMap));
}
/**
* {@inheritdoc}
*/
protected function cleanup()
{
parent::cleanup();
$this->_uow->triggerEagerLoads();
$this->_uow->hydrationComplete();
}
/**
* {@inheritdoc}
*/
protected function hydrateAllData()
{
$result = [];
while ($row = $this->_stmt->fetch(PDO::FETCH_ASSOC)) {
$this->hydrateRowData($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) {
$discrColumnName = $this->_platform->getSQLResultCasing($this->class->discriminatorColumn['name']);
// Find mapped discriminator column from the result set.
if ($metaMappingDiscrColumnName = array_search($discrColumnName, $this->_rsm->metaMappings)) {
$discrColumnName = $metaMappingDiscrColumnName;
}
if (! isset($row[$discrColumnName])) {
throw HydrationException::missingDiscriminatorColumn($entityName, $discrColumnName, key($this->_rsm->aliasMap));
}
if ($row[$discrColumnName] === '') {
throw HydrationException::emptyDiscriminatorValue(key($this->_rsm->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->_rsm->relationMap[$column])) {
throw new \Exception(sprintf('Unable to retrieve association information for column "%s"', $column));
}
$cacheKeyInfo = $this->hydrateColumnInfo($column);
if ( ! $cacheKeyInfo) {
continue;
}
// Check if value is null before conversion (because some types convert null to something else)
$valueIsNull = null === $value;
// Convert field to a valid PHP value
if (isset($cacheKeyInfo['type'])) {
$type = $cacheKeyInfo['type'];
$value = $type->convertToPHPValue($value, $this->_platform);
}
$fieldName = $cacheKeyInfo['fieldName'];
// Prevent overwrite in case of inherit classes using same property name (See AbstractHydrator)
if ( ! isset($data[$fieldName]) || ! $valueIsNull) {
// If we have inheritance in resultset, make sure the field belongs to the correct class
if (isset($cacheKeyInfo['discriminatorValues']) && ! in_array((string) $discrColumnValue, $cacheKeyInfo['discriminatorValues'], true)) {
continue;
}
$data[$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();
}
}
}
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