setPrefetchingCompleted example

        $primaryKeyBag = $this->primaryKeyBag = $parameters->getPrimaryKeyBag();

        if ($primaryKeyBag->isPrefetchingCompleted()) {
            return;
        }

        foreach ($primaryKeyBag->getPrimaryKeys() as $entity => $pks) {
            $this->prefetch($this->definitionInstanceRegistry->getByEntityName($entity), $pks, $parameters);
        }

        $primaryKeyBag->setPrefetchingCompleted(true);
    }

    /** * {@inheritdoc} */
    public function getExistence(EntityDefinition $definition, array $primaryKey, array $data, WriteCommandQueue $commandQueue): EntityExistence
    {
        $state = $this->getCurrentState($definition, $primaryKey, $commandQueue);

        $exists = !empty($state);