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Recent Updates
• Realm Objective-C/Swift 2.8.0 (was 2.7.0)
• Realm Java 3.4.0 (was 3.3.1)
• Realm JS 1.8.2 (was 1.3.1)
• Realm .NET 1.5.0 (1.4.0)
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Realm Objective-C/Swift 2.8.0
• Realm Object ServerͷRealmೝূͷύεϫʔυมߋ͕ผͷϢʔβʔͰ
Adminݖݶ͕͋ΕՄೳʹ
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Password change API
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user.changePassword("...", forUserID: userId) { (error) in
if let error = error {
...
return
}
...
}
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Password change API (2.7.0)
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user.changePassword("...") { (error) in
if let error = error {
...
return
}
...
}
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Realm Objective-C/Swift 2.8.2
• ϓϥΠϚϦΩʔ͕ϚΠάϨʔγϣϯͰ͖ͳ͘ͳ͍ͬͯͨΛमਖ਼
ʢRegressionʣ
• ϓϩύςΟ͕nilͷΦϒδΣΫτͰߋ৽ͨ͠ࡍͷڍಈΛҎલͱಉ͡Α
͏ʹमਖ਼ʢRegressionʣ
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Limiting @objc inference
• Objective-CʹSwiftͷΠϯλʔϑΣʔεΛެ։͢ΔέʔεΛҎલΑΓ
੍ݶ͢Δ
• Objective-CʹΠϯλʔϑΣʔε͕ެ։͞ΕΔέʔεΛ͔Γ͢
͘͢Δ
• ʢΦʔόʔϩʔυͳͲͰʣҙਤͤͣϝιου͕িಥ͢ΔͷΛ͙
• όΠφϦαΠζΛখ͘͞Ͱ͖Δ
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Model Defenitions (Swift)
class Person: Object {
@objc dynamic var name = ""
@objc dynamic var age = 0
let dogs = LinkingObjects(fromType: Dog.self, property: "owner")
}
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@objcMembers
class Dog: Object, Codable {
dynamic var name = ""
dynamic var age = 0
dynamic var owner: Person?
}
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Model Definitions (Swift)
class Person: Object {
@objc dynamic var name = ""
@objc dynamic var age = 0
let dogs = LinkingObjects(fromType: Dog.self, property: "owner")
}
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@objcMembers
class Dog: Object, Codable {
dynamic var name = ""
dynamic var age = 0
dynamic var owner: Person?
}
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Codable (Decodable & Encodable)
• SwiftωΠςΟϒͷσʔλߏʢClass, Structure, EnumerationʣΛγ
ϦΞϥΠζՄೳͳσʔλʹ૬ޓʹม͢ΔΈΛఏڙ͢Δ
• DecodableʹରԠ͍ͯ͠ΔͱγϦΞϥΠζՄೳͳσʔλʢJSONͳ
Ͳʣ͔ΒΦϒδΣΫτͷม͕ՄೳʹͳΔɻEncodableͦͷٯ
ʢStructure => JSONͳͲʣ
• ίϯύΠϥͷࢧԉ͕ड͚ΒΕΔʢϝιουΩʔͷࣗಈੜͳͲʣ
ͷͰγϯϓϧʹॻ͚Δʢ߹͕͋Δʣ
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Codable (Decodable & Encodable)
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struct Person: Codable {
...
}
let person = try! JSONDecoder().decode(Person.self, from: json)
let json = try! JSONEncoder().encode(person)
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Codable (Decodable & Encodable)
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struct Person: Codable {
private enum CodingKeys : String, CodingKey {
case fullName = “full_name"
...
}
...
}
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Codable (Decodable & Encodable)
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class Person: Object, Codable {
@objc dynamic var name = ""
@objc dynamic var age = 0
let dogs = LinkingObjects(fromType: Dog.self, property: "owner")
private enum CodingKeys : String, CodingKey {
case name
case age
}
required convenience init(from decoder: Decoder) throws {
self.init()
let container = try decoder.container(keyedBy: CodingKeys.self)
name = try container.decode(String.self, forKey: .name)
age = try container.decode(Int.self, forKey: .age)
}
func encode(to encoder: Encoder) throws {
var container = encoder.container(keyedBy: CodingKeys.self)
try container.encode(name, forKey: .name)
try container.encode(age, forKey: .age)
}
}
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Codable (Decodable & Encodable)
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@objcMembers
class Dog: Object, Codable {
dynamic var name = ""
dynamic var age = 0
dynamic var owner: Person?
private enum CodingKeys : String, CodingKey {
case name
case age
case owner
}
required convenience init(from decoder: Decoder) throws {
self.init()
let container = try decoder.container(keyedBy: CodingKeys.self)
name = try container.decode(String.self, forKey: .name)
age = try container.decode(Int.self, forKey: .age)
owner = try container.decode(Person?.self, forKey: .owner)
}
func encode(to encoder: Encoder) throws {
var container = encoder.container(keyedBy: CodingKeys.self)
try container.encode(name, forKey: .name)
try container.encode(age, forKey: .age)
try container.encode(owner, forKey: .owner)
}
}
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Decodable
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class Person: Object, Decodable {
@objc dynamic var name = ""
@objc dynamic var age = 0
let dogs = LinkingObjects(fromType: Dog.self, property: "owner")
private enum CodingKeys : String, CodingKey {
case name
case age
}
required convenience init(from decoder: Decoder) throws {
self.init()
let container = try decoder.container(keyedBy: CodingKeys.self)
name = try container.decode(String.self, forKey: .name)
age = try container.decode(Int.self, forKey: .age)
}
}
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Encodable
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class Person: Object, Encodable {
@objc dynamic var name = ""
@objc dynamic var age = 0
let dogs = LinkingObjects(fromType: Dog.self, property: "owner")
private enum CodingKeys : String, CodingKey {
case name
case age
}
func encode(to encoder: Encoder) throws {
var container = encoder.container(keyedBy: CodingKeys.self)
try container.encode(name, forKey: .name)
try container.encode(age, forKey: .age)
}
}
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Example
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let json = """
{
"name": "Hachi",
"age": 4,
"owner":
{
"name": "Katsumi Kishikawa",
"age": 36
}
}
""".data(using: .utf8)!
let dog = try! JSONDecoder().decode(Dog.self, from: json)
print(dog)
let realm = try! Realm()
try! realm.write {
realm.add(dog)
}
print(realm.objects(Dog.self))
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Example (GitHub API)
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{
"total_count": 410867,
"incomplete_results": false,
"items": [
{
"id": 1828795,
"name": "AFNetworking",
"full_name": "AFNetworking/AFNetworking",
"owner": {
"login": "AFNetworking",
"id": 1181541,
"avatar_url": "https://avatars1.githubusercontent.com/u/1181541?v=3",
"gravatar_id": "",
"url": "https://api.github.com/users/AFNetworking",
"html_url": "https://github.com/AFNetworking",
"followers_url": "https://api.github.com/users/AFNetworking/followers",
"following_url": "https://api.github.com/users/AFNetworking/following{/other_user}",
"gists_url": "https://api.github.com/users/AFNetworking/gists{/gist_id}",
"starred_url": "https://api.github.com/users/AFNetworking/starred{/owner}{/repo}",
"subscriptions_url": "https://api.github.com/users/AFNetworking/subscriptions",
"organizations_url": "https://api.github.com/users/AFNetworking/orgs",
"repos_url": "https://api.github.com/users/AFNetworking/repos",
"events_url": "https://api.github.com/users/AFNetworking/events{/privacy}",
"received_events_url": "https://api.github.com/users/AFNetworking/received_events",
"type": "Organization",
"site_admin": false
},
...
]
}
curl -i https://api.github.com/search/repositories?q=language:objc
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[email protected]
@objcMembers
class Repository: Object {
dynamic var identifier = 0
dynamic var name = ""
dynamic var fullName = ""
dynamic var isPrivate = false
dynamic var htmlUrl = ""
dynamic var createdAt = Date()
dynamic var updatedAt = Date()
dynamic var owner: User?
private enum CodingKeys : String, CodingKey {
case identifier = "id"
case name
case fullName = "full_name"
case isPrivate = "private"
case htmlUrl = "html_url"
case createdAt = "created_at"
case updatedAt = "updated_at"
case owner
}
required convenience init(from decoder: Decoder) throws {
self.init()
let container = try decoder.container(keyedBy: CodingKeys.self)
identifier = try container.decode(Int.self, forKey: .identifier)
name = try container.decode(String.self, forKey: .name)
fullName = try container.decode(String.self, forKey: .fullName)
isPrivate = try container.decode(Bool.self, forKey: .isPrivate)
htmlUrl = try container.decode(String.self, forKey: .htmlUrl)
createdAt = try container.decode(Date.self, forKey: .createdAt)
updatedAt = try container.decode(Date.self, forKey: .updatedAt)
owner = try container.decode(User.self, forKey: .owner)
}
}
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[email protected]
@objcMembers
class User: Object, Decodable {
dynamic var login = ""
dynamic var identifier = 0
dynamic var type = ""
dynamic var avatarUrl = ""
private enum CodingKeys : String, CodingKey {
case login
case identifier = "id"
case type
case avatarUrl = "avatar_url"
}
required convenience init(from decoder: Decoder) throws {
self.init()
let container = try decoder.container(keyedBy: CodingKeys.self)
login = try container.decode(String.self, forKey: .login)
identifier = try container.decode(Int.self, forKey: .identifier)
type = try container.decode(String.self, forKey: .type)
avatarUrl = try container.decode(String.self, forKey: .avatarUrl)
}
}
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struct RepositoryResponse : Decodable {
let totalCount: Int
let incompleteResults: Bool
let items: [Repository]
private enum CodingKeys : String, CodingKey {
case totalCount = "total_count"
case incompleteResults = "incomplete_results"
case items
}
init(from decoder: Decoder) throws {
let container = try decoder.container(keyedBy: CodingKeys.self)
totalCount = try container.decode(Int.self, forKey: .totalCount)
incompleteResults = try container.decode(Bool.self, forKey: .incompleteResults)
items = try container.decode([Repository].self, forKey: .items)
}
}
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[email protected]
var components = URLComponents(string: "https://api.github.com/search/repositories")!
components.queryItems = [
URLQueryItem(name: "q", value: "language:objc"),
URLQueryItem(name: "sort", value: "stars"),
URLQueryItem(name: "order", value: "desc")
]
URLSession.shared.dataTask(with: URLRequest(url: components.url!)) { data, response, error in
guard let data = data else {
return
}
do {
let decoder = JSONDecoder()
decoder.dateDecodingStrategy = .iso8601
let repositoryResponse = try decoder.decode(RepositoryResponse.self, from: data)
let repositories = repositoryResponse.items
...
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KeyPath
[email protected]
@objcMembers
class Dog: Object {
dynamic var name = ""
dynamic var age = 0
dynamic var owner: Person!
}
\Dog.age => KeyPath
\Dog.name => KeyPath
\Dog.owner.name => KeyPath
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Type-safe Query
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extension Results {
public func filter(_ closure: () -> P) -> Results where P.ObjectType == T {
return filter(closure().predicate)
}
}
public func == (lhs: KeyPath, rhs: String) -> BasicPredicate {
return BasicPredicate(format: "%K == %@", arguments: [lhs._kvcKeyPathString! as NSString, rhs as NSString])
}
public func < (lhs: KeyPath, rhs: RealmProperty) ->
BasicPredicate {
return BasicPredicate(format: "%K < %@", arguments: [lhs._kvcKeyPathString! as NSString, rhs as! NSNumber])
}
public func > (lhs: KeyPath, rhs: RealmProperty) ->
BasicPredicate {
return BasicPredicate(format: "%K > %@", arguments: [lhs._kvcKeyPathString! as NSString, rhs as! NSNumber])
}
...
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Type-safe Query
[email protected]
@objcMembers
class Dog: Object {
dynamic var name = ""
dynamic var age = 0
dynamic var owner: Person!
let owners = LinkingObjects(fromType: Person.self, property: "dogs")
}
@objcMembers
class Person: Object {
dynamic var name = ""
dynamic var age = 0
dynamic var birthdate = Date()
let dogs = List()
}
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Type-safe Query
[email protected]
realm.objects(Person.self)
.filter { \Person.name == "Katsumi" }
realm.objects(Dog.self)
.filter { \Dog.age < 2 }
realm.objects(Dog.self)
.filter { \Dog.name < 2 } // ❌
realm.objects(Dog.self)
.filter { \Person.age < 2 } // ❌
realm.objects(Dog.self)
.filter { \Dog.age < 2 && \Dog.owner.name == "Katsumi" }
realm.objects(Dog.self)
.filter { \Dog.age < 2 && \Person.name == "Katsumi" } // ❌
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Type-safe Query
[email protected]
realm.objects(Person.self)
.filter { \Person.name == "Katsumi" }
realm.objects(Dog.self)
.filter { \Dog.age < 2 }
realm.objects(Dog.self)
.filter { \Dog.name < 2 } // ❌
realm.objects(Dog.self)
.filter { \Person.age < 2 } // ❌
realm.objects(Dog.self)
.filter { \Dog.age < 2 && \Dog.owner.name == "Katsumi" }
realm.objects(Dog.self)
.filter { \Dog.age < 2 && \Person.name == "Katsumi" } // ❌
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Type-safe Query
[email protected]
realm.objects(Person.self)
.filter { \Person.name == "Katsumi" }
realm.objects(Dog.self)
.filter { \Dog.age < 2 }
realm.objects(Dog.self)
.filter { \Dog.name < 2 } // ❌
realm.objects(Dog.self)
.filter { \Person.age < 2 } // ❌
realm.objects(Dog.self)
.filter { \Dog.age < 2 && \Dog.owner.name == "Katsumi" }
realm.objects(Dog.self)
.filter { \Dog.age < 2 && \Person.name == "Katsumi" } // ❌
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Type-safe Query
[email protected]
realm.objects(Person.self)
.filter { \Person.name == "Katsumi" }
realm.objects(Dog.self)
.filter { \Dog.age < 2 }
realm.objects(Dog.self)
.filter { \Dog.name < 2 } // ❌
realm.objects(Dog.self)
.filter { \Person.age < 2 } // ❌
realm.objects(Dog.self)
.filter { \Dog.age < 2 && \Dog.owner.name == "Katsumi" }
realm.objects(Dog.self)
.filter { \Dog.age < 2 && \Person.name == "Katsumi" } // ❌
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Type-safe Query
[email protected]
realm.objects(Person.self)
.filter { \Person.name == "Katsumi" }
realm.objects(Dog.self)
.filter { \Dog.age < 2 }
realm.objects(Dog.self)
.filter { \Dog.name < 2 } // ❌
realm.objects(Dog.self)
.filter { \Person.age < 2 } // ❌
realm.objects(Dog.self)
.filter { \Dog.age < 2 && \Dog.owner.name == "Katsumi" }
realm.objects(Dog.self)
.filter { \Dog.age < 2 && \Person.name == "Katsumi" } // ❌
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Type-safe Query
[email protected]
realm.objects(Person.self)
.filter { \Person.name == "Katsumi" }
realm.objects(Dog.self)
.filter { \Dog.age < 2 }
realm.objects(Dog.self)
.filter { \Dog.name < 2 } // ❌
realm.objects(Dog.self)
.filter { \Person.age < 2 } // ❌
realm.objects(Dog.self)
.filter { \Dog.age < 2 && \Dog.owner.name == "Katsumi" }
realm.objects(Dog.self)
.filter { \Dog.age < 2 && \Person.name == "Katsumi" } // ❌
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Type-safe Query
[email protected]
realm.objects(Person.self)
.filter { \Person.name == "Katsumi" }
realm.objects(Dog.self)
.filter { \Dog.age < 2 }
realm.objects(Dog.self)
.filter { \Dog.name < 2 } // ❌
realm.objects(Dog.self)
.filter { \Person.age < 2 } // ❌
realm.objects(Dog.self)
.filter { \Dog.age < 2 && \Dog.owner.name == "Katsumi" }
realm.objects(Dog.self)
.filter { \Dog.age < 2 && \Person.name == "Katsumi" } // ❌
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t>(lhs: KeyPath, rhs: String) ->
ect>(format: "%K == %@", arguments: [lhs._kvcKeyPathString! as NSString, rhs
, RealmProperty: Numeric>(lhs: KeyPath, rhs:
ealmObject> {
ect>(format: "%K < %@", arguments: [lhs._kvcKeyPathString! as NSString, rhs
, RealmProperty: Numeric>(lhs: KeyPath, rhs:
ealmObject> {
ect>(format: "%K > %@", arguments: [lhs._kvcKeyPathString! as NSString, rhs
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