CachedPersisterContext example

    public function __construct(EntityManagerInterface $em, ClassMetadata $class)
    {
        $this->em                    = $em;
        $this->class                 = $class;
        $this->conn                  = $em->getConnection();
        $this->platform              = $this->conn->getDatabasePlatform();
        $this->quoteStrategy         = $em->getConfiguration()->getQuoteStrategy();
        $this->identifierFlattener   = new IdentifierFlattener($em->getUnitOfWork(), $em->getMetadataFactory());
        $this->noLimitsContext       = $this->currentPersisterContext = new CachedPersisterContext(
            $class,
            new Query\ResultSetMapping(),
            false
        );
        $this->limitsHandlingContext = new CachedPersisterContext(
            $class,
            new Query\ResultSetMapping(),
            true
        );
    }