src/ResetableEntityManager.php
public function contains($entity)
    {
        try{
            return $this->entityManager->contains($entity);
        } catch(ORMException $e) {
            if (!$this->entityManager->isOpen()) {
                $this->resetEntityManager();
            }
            throw $e;
        }
    }
public function contains($entity)
    {
        try{
            return $this->entityManager->contains($entity);
        } catch(ORMException $e) {
            if (!$this->entityManager->isOpen()) {
                $this->resetEntityManager();
            }
            throw $e;
        }
    }
Determines whether an entity instance is managed in this EntityManager.

@param object $entity

@return boolean TRUE if this EntityManager currently manages the given entity, FALSE otherwise.