doctrine / orm

                    $association->setPrimaryKey(true);

                }

                if (isset($oneToOneElement['fetch'])) {

                    $association->setFetchMode(

                        constant(sprintf('%s::%s', Mapping\FetchMode::class, (string) $oneToOneElement['fetch']))

                    );

                }

                if (isset($oneToOneElement['mapped-by'])) {

                    $association->setMappedBy((string) $oneToOneElement['mapped-by']);

                    throw Mapping\MappingException::illegalToManyIdentifierAssociation($className, $association->getName());

                }

                if (isset($oneToManyElement['fetch'])) {

                    $association->setFetchMode(

                        constant(sprintf('%s::%s', Mapping\FetchMode::class, (string) $oneToManyElement['fetch']))

                    );

                }

                if (isset($oneToManyElement->cascade)) {

                    $association->setCascade($this->getCascadeMappings($oneToManyElement->cascade));

                    throw Mapping\MappingException::illegalToManyIdentifierAssociation($className, $association->getName());

                }

                if (isset($manyToManyElement['fetch'])) {

                    $association->setFetchMode(

                        constant(sprintf('%s::%s', Mapping\FetchMode::class, (string) $manyToManyElement['fetch']))

                    );

                }

                if (isset($manyToManyElement['orphan-removal'])) {

                    $association->setOrphanRemoval($this->evaluateBoolean($manyToManyElement['orphan-removal']));