public function __construct(ObjectManager $om, ClassMetadata $classMetadata)
{
$ids = $classMetadata->getIdentifierFieldNames();
$idType = $classMetadata->getTypeOfField(current($ids));
$this->om = $om;
$this->classMetadata = $classMetadata;
$this->singleId = 1 === count($ids);
$this->intId = $this->singleId && in_array($idType, array('integer', 'smallint', 'bigint'));
$this->idField = current($ids);
// single field association are resolved, since the schema column could be an int
if ($this->singleId && $classMetadata->hasAssociation($this->idField)) {
$this->associationIdReader = new self($om, $om->getClassMetadata($classMetadata->getAssociationTargetClass($this->idField)));
$this->singleId = $this->associationIdReader->isSingleId();
$this->intId = $this->associationIdReader->isIntId();
}
}
