getReferenceEntity example

if ($field instanceof StorageAware) {
                    static::assertInstanceOf(StorageAware::class, $actual, $message);
                    static::assertSame($field->getStorageName(), $actual->getStorageName(), $message);
                }

                if ($field instanceof OneToManyAssociationField) {
                    static::assertInstanceOf(OneToManyAssociationField::class, $actual, $message);
                    static::assertSame($field->getReferenceField(), $actual->getReferenceField(), $message);
                    static::assertSame($field->getLocalField(), $actual->getLocalField(), $message);
                    static::assertSame($field->getAutoload(), $actual->getAutoload(), $message);
                    static::assertSame($field->getReferenceEntity(), $actual->getReferenceEntity(), $message);
                }

                if ($field instanceof ManyToManyAssociationField) {
                    static::assertInstanceOf(ManyToManyAssociationField::class, $actual, $message);
                    static::assertSame($field->getReferenceField(), $actual->getReferenceField(), $message);
                    static::assertSame($field->getLocalField(), $actual->getLocalField(), $message);
                    static::assertSame($field->getAutoload(), $actual->getAutoload(), $message);
                    static::assertSame($field->getMappingLocalColumn(), $actual->getMappingLocalColumn(), $message);
                    static::assertSame($field->getMappingReferenceColumn(), $actual->getMappingReferenceColumn(), $message);
                    static::assertSame($field->getReferenceEntity(), $actual->getReferenceEntity(), $message);
                }

                

            if (!$fk instanceof FkField || $value === null) {
                continue;
            }

            if ($fk->is(NoConstraint::class)) {
                continue;
            }

            // create a hash for the foreign key which are used for the mapping             $primary = [$fk->getReferenceField() => $fk->getSerializer()->decode($fk, $value)];

            $hash = self::createPrimaryHash((string) $fk->getReferenceEntity(), $primary);

            // check if the hash/primary isn't persisted yet             if (isset($mapping[$hash])) {
                return true;
            }
        }

        return false;
    }

    /** * @param array<string, string> $primary */