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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/PUJDBUJPO
˖ "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 = ""
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
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/PUJDBUJPO
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/PUJDBUJPO
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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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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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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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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8IFSFUPOEVT
˖ #3FBMN+BQBO6TFS(SPVQGBDFCPPLDPNHSPVQTSFBMNKQ
˖ #5XJUUFSUXJUUFSDPNSFBMN+BQBO
˖ (JU)VCHJUIVCDPNSFBMN
˖ #4UBDL0WFSPXKBTUBDLPWFSPXDPNRVFTUJPOTUBHHFESFBMN
˖ #&NBJMIFMQ!SFBMNJP
˖ #4MBDLTMBDLSFBMNJP
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3FBMN+BQBO6TFS(SPVQ#
GBDFCPPLDPNHSPVQTSFBMNKQ
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1VCMJD3FBMN4MBDL#
slack.realm.io/
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0DJBM5XJUUFS'BDFCPPL
UXJUUFSDPNSFBMN GBDFCPPLDPN
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0DJBM8FCTJUF#
realm.io/jp
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IUUQCJUMZ3FBMN+1@
،ٝ؛٦زח׀⼿⸂ְֻׁ