Realm Japan meetup #14 - Speaker Deck

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3FBMN+BQBO.FFUVQ

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SFBMN@KQ

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IUUQTHJUIVCDPNLJTIJLBXBLBUTVNJ LJTIJLBXBLBUTVNJ IUUQLJTIJLBXBLBUTVNJIBUFOBCMPHDPN Realm

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3FDFOU6QEBUFT

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3FBMN0CKFDUJWF$4XJGU XBT

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Realm Objective-C/Swift 0.98.8 ˖ 9DPEF㼎䘔 ˖ غؚؿ؍حؙأ

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3FBMN0CKFDUJWF$4XJGU✮㹀 ˖ 'JOFHSBJOFE/PUJDBUJPO ˖ "EETVQQPSUGPSMJOLJOHPCKFDUTQSPQFSUJFT

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-JOLJOHPCKFDUTQSPQFSUJFT class Person: Object { dynamic var name = "" dynamic var age = 0 let dogs = List() } class Dog: Object { dynamic var name = "" var owners: [Person] { return linkingObjects(Person.self, forProperty: "dogs") } }

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-JOLJOHPCKFDUTQSPQFSUJFT class Person: Object { dynamic var name = "" dynamic var age = 0 let dogs = List() } class Dog: Object { dynamic var name = "" let owners = LinkingObjects(fromType: Person.self, property: "dogs") }

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-JOLJOHPCKFDUTQSPQFSUJFT ˖ 鎘皾幥׫فٗػذ؍أز،سفٗػذ؍ ˖ ꟼ侧؝ٝذشؙٓأ

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-JOLJOHPCKFDUTQSPQFSUJFT ˖ ٓ؎ـ،حفر٦ز ˖ ؙؒٔך勴⟝ח⢪ִ׷״ֲח ˖ -JOLJOH0CKFDUTכ3FTVMUTך؟ـؙٓأ MUFS @ זוךًاحسָ⢪ִ׷

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-JOLJOHPCKFDUTQSPQFSUJFT realm .objects(Dog) .filter("ANY owners.name = '...'")

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'JOFHSBJOFE/PUJDBUJPO let dogs = realm.objects(Dog) token = dogs.addNotificationBlock { (change: RealmCollectionChange) in switch change { case let .Initial(change): ... case let .Update(change, deletions, insertions, modifications): ... case let .Error(error): ... } }

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'JOFHSBJOFE/PUJDBUJPO public enum RealmCollectionChange { case Initial(T) case Update(T, deletions: [Int], insertions: [Int], modifications: [Int]) case Error(NSError) }

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token = dogs.addNotificationBlock { (change: RealmCollectionChange) in switch change { case let .Initial(change): self.tableView.reloadData() case let .Update(change, deletions, insertions, modifications): self.tableView .beginUpdates() self.tableView .deleteRowsAtIndexPaths( deletions.map { NSIndexPath(forRow: $0, inSection: 0) }, withRowAnimation: .Automatic) self.tableView .insertRowsAtIndexPaths( insertions.map { NSIndexPath(forRow: $0, inSection: 0) }, withRowAnimation: .Automatic) self.tableView.endUpdates() ...

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favorites = realm .objects(Tweet) .filter("favorited = %@", true) .sorted("createdAt", ascending: false) token = favorites?.addNotificationBlock { [weak self] (change: RealmCollectionChange) in ... self?.tableView.reloadData() } timeline = realm .objects(Tweet) .sorted("createdAt", ascending: false) token = timeline?.addNotificationBlock { [weak self] (change: RealmCollectionChange) in ... self?.tableView.reloadData() } 3FTVMUTח㢌⻉ָ֮׏׋儗׌ֽ鸐濼ׁ׸׷״ֲח

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