kaliop-uk / ezmigrationbundle

            $minOneRef = count($referencesDefinition) > 0;

            $maxOneRef = count($referencesDefinition) > 0 && ! $this->areReferencesMultivalued($referencesDefinition);

            if ($maxOneRef && count($entity) > 1) {

                throw new \InvalidArgumentException($this->getSelfName() . ' does not support setting references for multiple ' . $this->getCollectionName($entity) . 's');

            }

            if ($minOneRef && count($entity) == 0) {

                throw new \InvalidArgumentException($this->getSelfName() . ' does not support setting references for no ' . $this->getCollectionName($entity) . 's');

            }

            if ($maxOneRef && count($entity) > 1) {

                throw new \InvalidArgumentException($this->getSelfName() . ' does not support setting references for multiple ' . $this->getCollectionName($entity) . 's');

            }

            if ($minOneRef && count($entity) == 0) {

                throw new \InvalidArgumentException($this->getSelfName() . ' does not support setting references for no ' . $this->getCollectionName($entity) . 's');

            }

        }

    }