protected function execute(ICollection $collection, IEntity $parent)
{
$collectionMapper = $collection->getCollectionMapper();
if (!$collectionMapper instanceof CollectionMapper) {
throw new LogicException();
}
$builder = $collectionMapper->getSqlBuilder();
$preloadIterator = $parent->getPreloadContainer();
$values = $preloadIterator ? $preloadIterator->getPreloadValues($this->metadata->name) : [$parent->getRawValue($this->metadata->name)];
$cacheKey = md5($builder->buildSelectQuery() . json_encode($values));
$data =& $this->cacheEntityContainers[$cacheKey];
if ($data) {
return $data;
}
$data = $this->fetch(clone $builder, stripos($cacheKey, 'JOIN') !== FALSE, $values);
return $data;
}
protected function executeCounts(ICollection $collection, IEntity $parent)
{
$collectionMapper = $collection->getCollectionMapper();
if (!$collectionMapper instanceof CollectionMapper) {
throw new LogicException();
}
$builder = $collectionMapper->getSqlBuilder();
$preloadIterator = $parent->getPreloadContainer();
$values = $preloadIterator ? $preloadIterator->getPreloadValues('id') : [$parent->id];
$cacheKey = $this->calculateCacheKey($builder, $values);
$data =& $this->cacheCounts[$cacheKey];
if ($data !== NULL) {
return $data;
}
$data = $this->fetchCounts($builder, $values);
return $data;
}
public function getIterator(IEntity $parent, ICollection $collection)
{
$data = $collection->findById($parent->{$this->metadata->name}->getInjectedValue())->fetchAll();
return new EntityIterator($data);
}
public function getIterator(IEntity $parent, ICollection $collection)
{
$key = $parent->getForeignKey($this->metadata->name);
return [$key ? $collection->getById($key) : NULL];
}
public function getIterator(IEntity $parent, ICollection $collection)
{
$data = $collection->findBy(["this->{$this->joinStorageKey}->id" => $parent->id])->fetchAll();
return new EntityIterator($data);
}
protected function applyDefaultOrder(ICollection $collection)
{
if (isset($this->metadata->args->relationship['order'])) {
return $collection->orderBy($this->metadata->args->relationship['order'][0], $this->metadata->args->relationship['order'][1]);
} else {
return $collection;
}
}