Realm Japan meetup #11

Realmのアーキテクチャ
- 遅延ロード・ゼロコピーの図解
- クエリがどのように実行されるか

Transcript

1. Realm Japan Meetup #11
2. #realm_jp
3. https://github.com/kishikawakatsumi/ kishikawa katsumi http://kishikawakatsumi.hatenablog.com/ Realm
4. Realm Objective-C/Swift 0.97.1 ˖ 'JY
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5. Realm Objective-C/Swift 0.98.0ʢ༧ఆʣ ˖ "TZOD
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6. Realm Objective-C/Swift 0.99.0ʢ༧ఆʣ ˖ 'JOFHSBJOFE
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9. class Article: Object { dynamic var id: Int = 0 dynamic var title: String = "" dynamic var content: String = "" dynamic var creationDate: NSDate = NSDate() dynamic var modificationDate: NSDate = NSDate() dynamic var deletionDate: NSDate? = nil dynamic var user: User? = nil let comments = List<Comment>() override static func primaryKey() -> String? { return "id" } } class Comment: Object { dynamic var id: Int = 0 dynamic var content: String = "" dynamic var user: User? = nil override static func primaryKey() -> String? { return "id" } } class User: Object { dynamic var id: Int = 0 dynamic var name: String = "" override static func primaryKey() -> String? { return "id" } }
10. let realm = try! Realm() let article = Article() article.title = titleTextfield.text article.contents = contentTextfield.text let currentUser = realm.objectForPrimaryKey(User.self, key: userID) article.user = currentUser try! realm.write { in realm.add(article) }
11. let realm = try! Realm() let articles = realm.objects(Article).filter("user = %@", currentUser) let article = articles[0]
12. let realm = try! Realm() let currentUser = realm.objectForPrimaryKey(User.self, key: userID) try! realm.write { in currentUser.name = "..." }
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14. override func viewDidLoad() { ... articles = realm.objects(Article).filter("user = %@", currentUser) } override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int { return articles.count } override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell { let cell = tableView.dequeueReusableCellWithIdentifier("", forIndexPath: indexPath) let article = articles[indexPath.row] cell.title = article.title cell.content = article.content cell.username = article.user.name return cell }
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16. ஗Ԇϩʔυͷ࢓૊Έ articles = realm.objects(Article).filter("user = %@", currentUser)
17. ஗Ԇϩʔυͷ࢓૊Έ articles = realm.objects(Article) .filter("user = %@", currentUser)
18. ஗Ԇϩʔυͷ࢓૊Έ let allArticles = realm.objects(Article) let articles = allArticles.filter(“user = %@", currentUser)
19. ஗Ԇϩʔυͷ࢓૊Έ let allArticles = realm.objects(Article) let articles = allArticles.filter(“user = %@", currentUser) 3FTVMUT"SUJDMF 5BCMF
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20. ඇಉظΫΤϦ (Swift) let allArticles = realm.objects(Article) let articles = allArticles.filter(“user = %@", currentUser) 3FTVMUT"SUJDMF 5BCMF
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21. ඇಉظΫΤϦ (Swift) let articles = allArticles.filter(“user = %@", currentUser) let count = articles.count 3FTVMUT"SUJDMF 5BCMF
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22. ඇಉظΫΤϦ (Swift) let count = articles.count let article = articles[0] 3FTVMUT"SUJDMF 5BCMF
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23. ඇಉظΫΤϦ (Swift) let article = articles[0] let title = article.title "SUJDMF 3PX*OEFY
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26. Where to find us • # Realm Japan User Group: facebook.com/groups/realmjp • # Twitter: twitter.com/realmJapan • GitHub: github.com/realm • # StackOverflow: ja.stackoverflow.com/questions/tagged/realm • # Email: help@realm.io • # Slack: slack.realm.io/
27. Realm Japan User Group # facebook.com/groups/realmjp
28. Public Realm Slack # slack.realm.io/
29. Official Twitter/Facebook twitter.com/realm facebook.com/655569387879379
30. Official Web site # realm.io/jp
31. Next Realm Meetup
32. http://bit.ly/RealmJP_11 ୹͍Ξϯέʔτʹ͝ڠྗ͍ͩ͘͞