RealmDAO relationships

RealmDAORelationshipsExample.swift

// Realm
// сущности (у Message нет ссылки на Folder)

class Folder: Entity {    
    var name: String?
    var messages: [Message]?
    
    //...
}


class RLMFolder: RLMEntry {    
    dynamic var name: String = ""
    let messages = List<RLMMessage>()
    
    //...
}


// транслятор сущности Folder

class FolderRealmTranslator: RealmTranslator<Folder, RLMFolder> {

    override func toEntry(_ entity: Folder) -> RLMFolder {
        let dbFolder = RLMFolder()
        
        dbFolder.entryId = entity.entityId
        dbFolder.name = entity.name
        dbFolder.messages = MessageRealmTranslator().toEntries(entity.messages)
        
        return dbFolder
    }
     
    
    override func toEntity(_ entry: RLMFolder) -> Folder {
        let messages = MessageRealmTranslator().toEntities(entry.messages)
        
        return Folder(entityId: entry.entryId, name: entry.name, messages: messages)
    }
}