mirror of
https://github.com/JohnEstropia/CoreStore.git
synced 2026-01-11 20:00:30 +01:00
Migrations demo done
This commit is contained in:
John Estropia
@@ -11,10 +11,20 @@
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@@ -86,6 +96,7 @@
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|
||||
B5931B4A25124993007DA58E /* Advanced.EvolutionDemo.V3.FromV4.swift in Sources */,
|
||||
B5A5440D2504949C000DC5E3 /* Advanced.EvolutionDemo.V4.Creature.swift in Sources */,
|
||||
B5931B4825124940007DA58E /* Advanced.EvolutionDemo.V4.FromV3.swift in Sources */,
|
||||
B5A391AC24E9143B00E7E8BD /* Modern.ColorsDemo.UIKit.DetailView.swift in Sources */,
|
||||
B5A391AA24E9104300E7E8BD /* Modern.ColorsDemo.UIKit.ItemCell.swift in Sources */,
|
||||
B5A391A424E8F04300E7E8BD /* Modern.ColorsDemo.UIKit.ListView.swift in Sources */,
|
||||
@@ -749,12 +793,14 @@
|
||||
B5A3911324E5424E00E7E8BD /* Debug */ = {
|
||||
isa = XCBuildConfiguration;
|
||||
buildSettings = {
|
||||
IPHONEOS_DEPLOYMENT_TARGET = 10.0;
|
||||
};
|
||||
name = Debug;
|
||||
};
|
||||
B5A3911424E5424E00E7E8BD /* Release */ = {
|
||||
isa = XCBuildConfiguration;
|
||||
buildSettings = {
|
||||
IPHONEOS_DEPLOYMENT_TARGET = 10.0;
|
||||
};
|
||||
name = Release;
|
||||
};
|
||||
|
||||
@@ -96,9 +96,10 @@ extension Menu {
|
||||
Menu.ItemView(
|
||||
title: "Evolution",
|
||||
subtitle: "Migrating and reverse-migrating stores",
|
||||
destination: { EmptyView() }
|
||||
destination: {
|
||||
Advanced.EvolutionDemo.MainView()
|
||||
}
|
||||
)
|
||||
.disabled(true)
|
||||
Menu.ItemView(
|
||||
title: "Logger",
|
||||
subtitle: "Implementing a custom logger",
|
||||
|
||||
@@ -18,7 +18,13 @@ extension Advanced.EvolutionDemo {
|
||||
|
||||
protocol Advanced_EvolutionDemo_CreatureType: DynamicObject, CustomStringConvertible {
|
||||
|
||||
var dnaCode: Int64 { get }
|
||||
var dnaCode: Int64 { get set }
|
||||
|
||||
static func dataSource(in dataStack: DataStack) -> Advanced.EvolutionDemo.CreaturesDataSource
|
||||
|
||||
static func count(in transaction: BaseDataTransaction) throws -> Int
|
||||
|
||||
static func create(in transaction: BaseDataTransaction) -> Self
|
||||
|
||||
func mutate(in transaction: BaseDataTransaction)
|
||||
}
|
||||
|
||||
@@ -0,0 +1,165 @@
|
||||
//
|
||||
// Demo
|
||||
// Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
|
||||
|
||||
import CoreStore
|
||||
import Combine
|
||||
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo
|
||||
|
||||
extension Advanced.EvolutionDemo {
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.CreaturesDataSource
|
||||
|
||||
final class CreaturesDataSource: ObservableObject {
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
init<T: NSManagedObject & Advanced.EvolutionDemo.CreatureType>(
|
||||
listPublisher: ListPublisher<T>,
|
||||
dataStack: DataStack
|
||||
) {
|
||||
|
||||
self.numberOfItems = {
|
||||
listPublisher.snapshot.numberOfItems
|
||||
}
|
||||
self.itemDescriptionAtIndex = { index in
|
||||
listPublisher.snapshot[index].object?.description
|
||||
}
|
||||
self.addItems = { count in
|
||||
|
||||
dataStack.perform(
|
||||
asynchronous: { transaction in
|
||||
|
||||
let nextDNACode = try transaction.fetchCount(From<T>())
|
||||
for offset in 0 ..< count {
|
||||
|
||||
let object = transaction.create(Into<T>())
|
||||
object.dnaCode = .init(nextDNACode + offset)
|
||||
object.mutate(in: transaction)
|
||||
}
|
||||
},
|
||||
completion: { _ in }
|
||||
)
|
||||
}
|
||||
self.mutateItemAtIndex = { index in
|
||||
|
||||
let object = listPublisher.snapshot[index]
|
||||
dataStack.perform(
|
||||
asynchronous: { transaction in
|
||||
|
||||
object
|
||||
.asEditable(in: transaction)?
|
||||
.mutate(in: transaction)
|
||||
},
|
||||
completion: { _ in }
|
||||
)
|
||||
}
|
||||
self.deleteAllItems = {
|
||||
|
||||
dataStack.perform(
|
||||
asynchronous: { transaction in
|
||||
|
||||
try transaction.deleteAll(From<T>())
|
||||
},
|
||||
completion: { _ in }
|
||||
)
|
||||
}
|
||||
listPublisher.addObserver(self) { [weak self] (listPublisher) in
|
||||
|
||||
self?.objectWillChange.send()
|
||||
}
|
||||
}
|
||||
|
||||
init<T: CoreStoreObject & Advanced.EvolutionDemo.CreatureType>(
|
||||
listPublisher: ListPublisher<T>,
|
||||
dataStack: DataStack
|
||||
) {
|
||||
|
||||
self.numberOfItems = {
|
||||
listPublisher.snapshot.numberOfItems
|
||||
}
|
||||
self.itemDescriptionAtIndex = { index in
|
||||
listPublisher.snapshot[index].object?.description
|
||||
}
|
||||
self.addItems = { count in
|
||||
|
||||
dataStack.perform(
|
||||
asynchronous: { transaction in
|
||||
|
||||
let nextDNACode = try transaction.fetchCount(From<T>())
|
||||
for offset in 0 ..< count {
|
||||
|
||||
let object = transaction.create(Into<T>())
|
||||
object.dnaCode = .init(nextDNACode + offset)
|
||||
object.mutate(in: transaction)
|
||||
}
|
||||
},
|
||||
completion: { _ in }
|
||||
)
|
||||
}
|
||||
self.mutateItemAtIndex = { index in
|
||||
|
||||
let object = listPublisher.snapshot[index]
|
||||
dataStack.perform(
|
||||
asynchronous: { transaction in
|
||||
|
||||
object
|
||||
.asEditable(in: transaction)?
|
||||
.mutate(in: transaction)
|
||||
},
|
||||
completion: { _ in }
|
||||
)
|
||||
}
|
||||
self.deleteAllItems = {
|
||||
|
||||
dataStack.perform(
|
||||
asynchronous: { transaction in
|
||||
|
||||
try transaction.deleteAll(From<T>())
|
||||
},
|
||||
completion: { _ in }
|
||||
)
|
||||
}
|
||||
listPublisher.addObserver(self) { [weak self] (listPublisher) in
|
||||
|
||||
self?.objectWillChange.send()
|
||||
}
|
||||
}
|
||||
|
||||
func numberOfCreatures() -> Int {
|
||||
|
||||
return self.numberOfItems()
|
||||
}
|
||||
|
||||
func creatureDescription(at index: Int) -> String? {
|
||||
|
||||
return self.itemDescriptionAtIndex(index)
|
||||
}
|
||||
|
||||
func mutate(at index: Int) {
|
||||
|
||||
self.mutateItemAtIndex(index)
|
||||
}
|
||||
|
||||
func add(count: Int) {
|
||||
|
||||
self.addItems(count)
|
||||
}
|
||||
|
||||
func clear() {
|
||||
|
||||
self.deleteAllItems()
|
||||
}
|
||||
|
||||
|
||||
// MARK: Private
|
||||
|
||||
private let numberOfItems: () -> Int
|
||||
private let itemDescriptionAtIndex: (Int) -> String?
|
||||
private let mutateItemAtIndex: (Int) -> Void
|
||||
private let addItems: (Int) -> Void
|
||||
private let deleteAllItems: () -> Void
|
||||
}
|
||||
}
|
||||
@@ -2,13 +2,17 @@
|
||||
// Demo
|
||||
// Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
|
||||
|
||||
import CoreStore
|
||||
|
||||
|
||||
// MARK: - AdvancedEvolutionDemo
|
||||
|
||||
extension Advanced.EvolutionDemo {
|
||||
|
||||
// MARK: - GeologicalPeriod
|
||||
|
||||
enum GeologicalPeriod: CaseIterable {
|
||||
enum GeologicalPeriod: RawRepresentable, CaseIterable, Hashable, CustomStringConvertible {
|
||||
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
@@ -17,6 +21,11 @@ extension Advanced.EvolutionDemo {
|
||||
case ageOfReptiles
|
||||
case ageOfMammals
|
||||
|
||||
var version: ModelVersion {
|
||||
|
||||
return self.rawValue
|
||||
}
|
||||
|
||||
var creatureType: Advanced.EvolutionDemo.CreatureType.Type {
|
||||
|
||||
switch self {
|
||||
@@ -31,5 +40,60 @@ extension Advanced.EvolutionDemo {
|
||||
return Advanced.EvolutionDemo.V4.Creature.self
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// MARK: CustomStringConvertible
|
||||
|
||||
var description: String {
|
||||
|
||||
switch self {
|
||||
|
||||
case .ageOfInvertebrates:
|
||||
return "Invertebrates"
|
||||
case .ageOfFishes:
|
||||
return "Fishes"
|
||||
case .ageOfReptiles:
|
||||
return "Reptiles"
|
||||
case .ageOfMammals:
|
||||
return "Mammals"
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// MARK: RawRepresentable
|
||||
|
||||
typealias RawValue = ModelVersion
|
||||
|
||||
var rawValue: ModelVersion {
|
||||
|
||||
switch self {
|
||||
|
||||
case .ageOfInvertebrates:
|
||||
return Advanced.EvolutionDemo.V1.name
|
||||
case .ageOfFishes:
|
||||
return Advanced.EvolutionDemo.V2.name
|
||||
case .ageOfReptiles:
|
||||
return Advanced.EvolutionDemo.V3.name
|
||||
case .ageOfMammals:
|
||||
return Advanced.EvolutionDemo.V4.name
|
||||
}
|
||||
}
|
||||
|
||||
init?(rawValue: ModelVersion) {
|
||||
|
||||
switch rawValue {
|
||||
|
||||
case Advanced.EvolutionDemo.V1.name:
|
||||
self = .ageOfInvertebrates
|
||||
case Advanced.EvolutionDemo.V2.name:
|
||||
self = .ageOfFishes
|
||||
case Advanced.EvolutionDemo.V3.name:
|
||||
self = .ageOfReptiles
|
||||
case Advanced.EvolutionDemo.V4.name:
|
||||
self = .ageOfMammals
|
||||
default:
|
||||
return nil
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@@ -2,4 +2,74 @@
|
||||
// Demo
|
||||
// Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
|
||||
|
||||
import Foundation
|
||||
import SwiftUI
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo
|
||||
|
||||
extension Advanced.EvolutionDemo {
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.ItemView
|
||||
|
||||
struct ItemView: View {
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
init(description: String?, mutate: @escaping () -> Void) {
|
||||
|
||||
self.description = description
|
||||
self.mutate = mutate
|
||||
}
|
||||
|
||||
|
||||
// MARK: View
|
||||
|
||||
var body: some View {
|
||||
HStack {
|
||||
Text(self.description ?? "")
|
||||
.font(.footnote)
|
||||
.foregroundColor(.primary)
|
||||
Spacer()
|
||||
Button(
|
||||
action: self.mutate,
|
||||
label: {
|
||||
Text("Mutate")
|
||||
.foregroundColor(.accentColor)
|
||||
.fontWeight(.bold)
|
||||
}
|
||||
)
|
||||
.buttonStyle(PlainButtonStyle())
|
||||
}
|
||||
.disabled(self.description == nil)
|
||||
}
|
||||
|
||||
|
||||
// MARK: FilePrivate
|
||||
|
||||
fileprivate let description: String?
|
||||
fileprivate let mutate: () -> Void
|
||||
}
|
||||
}
|
||||
|
||||
#if DEBUG
|
||||
|
||||
struct _Demo_Advanced_EvolutionDemo_ItemView_Preview: PreviewProvider {
|
||||
|
||||
// MARK: PreviewProvider
|
||||
|
||||
static var previews: some View {
|
||||
Advanced.EvolutionDemo.ItemView(
|
||||
description: """
|
||||
dnaCode: 123
|
||||
numberOfLimbs: 4
|
||||
hasVertebrae: true
|
||||
hasHead: true
|
||||
hasTail: true
|
||||
habitat: land
|
||||
hasWings: false
|
||||
""",
|
||||
mutate: {}
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
@@ -2,4 +2,98 @@
|
||||
// Demo
|
||||
// Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
|
||||
|
||||
import Foundation
|
||||
import CoreStore
|
||||
import SwiftUI
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo
|
||||
|
||||
extension Advanced.EvolutionDemo {
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.ListView
|
||||
|
||||
struct ListView: View {
|
||||
|
||||
// MARK: View
|
||||
|
||||
var body: some View {
|
||||
let dataSource = self.dataSource
|
||||
return List {
|
||||
ForEach(0 ..< dataSource.numberOfCreatures(), id: \.self) { (index) in
|
||||
Advanced.EvolutionDemo.ItemView(
|
||||
description: dataSource.creatureDescription(at: index),
|
||||
mutate: {
|
||||
|
||||
dataSource.mutate(at: index)
|
||||
}
|
||||
)
|
||||
}
|
||||
}
|
||||
.listStyle(PlainListStyle())
|
||||
}
|
||||
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
init(
|
||||
period: Advanced.EvolutionDemo.GeologicalPeriod,
|
||||
dataStack: DataStack,
|
||||
dataSource: Advanced.EvolutionDemo.CreaturesDataSource
|
||||
) {
|
||||
|
||||
self.period = period
|
||||
self.dataStack = dataStack
|
||||
self.dataSource = dataSource
|
||||
}
|
||||
|
||||
|
||||
// MARK: Private
|
||||
|
||||
private let period: Advanced.EvolutionDemo.GeologicalPeriod
|
||||
|
||||
private let dataStack: DataStack
|
||||
|
||||
@ObservedObject
|
||||
private var dataSource: Advanced.EvolutionDemo.CreaturesDataSource
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#if DEBUG
|
||||
|
||||
struct _Demo_Advanced_EvolutionDemo_ListView_Preview: PreviewProvider {
|
||||
|
||||
// MARK: PreviewProvider
|
||||
|
||||
static var previews: some View {
|
||||
|
||||
let dataStack = DataStack(
|
||||
CoreStoreSchema(
|
||||
modelVersion: Advanced.EvolutionDemo.V4.name,
|
||||
entities: [
|
||||
Entity<Advanced.EvolutionDemo.V4.Creature>("Creature")
|
||||
]
|
||||
)
|
||||
)
|
||||
try! dataStack.addStorageAndWait(
|
||||
SQLiteStore(fileName: "Advanced.EvolutionDemo.ListView.Preview.sqlite")
|
||||
)
|
||||
try! dataStack.perform(
|
||||
synchronous: { transaction in
|
||||
|
||||
for dnaCode in 0 ..< 10 as Range<Int64> {
|
||||
|
||||
let object = transaction.create(Into<Advanced.EvolutionDemo.V4.Creature>())
|
||||
object.dnaCode = dnaCode
|
||||
object.mutate(in: transaction)
|
||||
}
|
||||
}
|
||||
)
|
||||
return Advanced.EvolutionDemo.ListView(
|
||||
period: .ageOfMammals,
|
||||
dataStack: dataStack,
|
||||
dataSource: Advanced.EvolutionDemo.V4.Creature.dataSource(in: dataStack)
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
@@ -2,4 +2,77 @@
|
||||
// Demo
|
||||
// Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
|
||||
|
||||
import Foundation
|
||||
import CoreStore
|
||||
import SwiftUI
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo
|
||||
|
||||
extension Advanced.EvolutionDemo {
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.MainView
|
||||
|
||||
struct MainView: View {
|
||||
|
||||
// MARK: View
|
||||
|
||||
var body: some View {
|
||||
let migrator = self.migrator
|
||||
let listView: AnyView
|
||||
if let current = migrator.current {
|
||||
|
||||
listView = AnyView(
|
||||
Advanced.EvolutionDemo.ListView(
|
||||
period: current.period,
|
||||
dataStack: current.dataStack,
|
||||
dataSource: current.dataSource
|
||||
)
|
||||
)
|
||||
}
|
||||
else {
|
||||
|
||||
listView = AnyView(
|
||||
Advanced.EvolutionDemo.ProgressView(progress: migrator.progress)
|
||||
)
|
||||
}
|
||||
|
||||
return VStack(spacing: 0) {
|
||||
HStack(alignment: .center, spacing: 0) {
|
||||
Text("Age of")
|
||||
.padding(.trailing)
|
||||
Picker(selection: self.$migrator.currentPeriod, label: EmptyView()) {
|
||||
ForEach(Advanced.EvolutionDemo.GeologicalPeriod.allCases, id: \.self) { period in
|
||||
Text(period.description).tag(period)
|
||||
}
|
||||
}
|
||||
.pickerStyle(SegmentedPickerStyle())
|
||||
}
|
||||
.padding()
|
||||
listView
|
||||
.edgesIgnoringSafeArea(.vertical)
|
||||
}
|
||||
.navigationBarTitle("Evolution")
|
||||
.disabled(migrator.isBusy || migrator.current == nil)
|
||||
}
|
||||
|
||||
|
||||
// MARK: Private
|
||||
|
||||
@ObservedObject
|
||||
private var migrator: Advanced.EvolutionDemo.Migrator = .init()
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#if DEBUG
|
||||
|
||||
struct _Demo_Advanced_EvolutionDemo_MainView_Preview: PreviewProvider {
|
||||
|
||||
// MARK: PreviewProvider
|
||||
|
||||
static var previews: some View {
|
||||
|
||||
Advanced.EvolutionDemo.MainView()
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
@@ -14,34 +14,20 @@ extension Advanced.EvolutionDemo {
|
||||
// MARK: - Advanced.EvolutionDemo.Migrator
|
||||
|
||||
final class Migrator: ObservableObject {
|
||||
|
||||
var currentPeriod: Advanced.EvolutionDemo.GeologicalPeriod? {
|
||||
|
||||
return self.current?.period
|
||||
}
|
||||
|
||||
|
||||
// MARK: Private
|
||||
|
||||
private var current: (period: Advanced.EvolutionDemo.GeologicalPeriod, dataStack: DataStack)? {
|
||||
|
||||
willSet {
|
||||
|
||||
self.objectWillChange.send()
|
||||
}
|
||||
}
|
||||
|
||||
private func findAndSetCurrentVersion() {
|
||||
|
||||
|
||||
/**
|
||||
⭐️ Sample 1: Creating a complex `DataStack` that contains all schema histories. The `exactCurrentModelVersion` will specify the target version (if required), and `migrationChain` will provide the upgrade/downgrade progressive migration path.
|
||||
*/
|
||||
private func createDataStack(
|
||||
exactCurrentModelVersion: ModelVersion?,
|
||||
migrationChain: MigrationChain
|
||||
) -> DataStack {
|
||||
|
||||
let xcodeV1ToV2ModelSchema = XcodeDataModelSchema.from(
|
||||
modelName: "Advanced.EvolutionDemo.V1",
|
||||
bundle: Bundle(for: Advanced.EvolutionDemo.V1.Creature.self),
|
||||
migrationChain: [
|
||||
Advanced.EvolutionDemo.V1.name,
|
||||
Advanced.EvolutionDemo.V2.name
|
||||
]
|
||||
bundle: Bundle(for: Advanced.EvolutionDemo.V1.Creature.self)
|
||||
)
|
||||
let dataStack = DataStack(
|
||||
return DataStack(
|
||||
schemaHistory: SchemaHistory(
|
||||
allSchema: xcodeV1ToV2ModelSchema.allSchema
|
||||
+ [
|
||||
@@ -58,26 +44,196 @@ extension Advanced.EvolutionDemo {
|
||||
]
|
||||
)
|
||||
],
|
||||
migrationChain: [
|
||||
Advanced.EvolutionDemo.V1.name,
|
||||
Advanced.EvolutionDemo.V2.name,
|
||||
Advanced.EvolutionDemo.V3.name,
|
||||
Advanced.EvolutionDemo.V4.name
|
||||
]
|
||||
migrationChain: migrationChain,
|
||||
exactCurrentModelVersion: exactCurrentModelVersion
|
||||
)
|
||||
)
|
||||
}
|
||||
|
||||
/**
|
||||
⭐️ Sample 2: Creating a complex `SQLiteStore` that contains all schema mappings for both upgrade and downgrade cases.
|
||||
*/
|
||||
private func accessSQLiteStore() -> SQLiteStore {
|
||||
|
||||
let upgradeMappings: [SchemaMappingProvider] = [
|
||||
Advanced.EvolutionDemo.V2.FromV1.mapping,
|
||||
Advanced.EvolutionDemo.V3.FromV2.mapping,
|
||||
Advanced.EvolutionDemo.V4.FromV3.mapping
|
||||
]
|
||||
let downgradeMappings: [SchemaMappingProvider] = [
|
||||
Advanced.EvolutionDemo.V3.FromV4.mapping,
|
||||
Advanced.EvolutionDemo.V2.FromV3.mapping,
|
||||
Advanced.EvolutionDemo.V1.FromV2.mapping,
|
||||
]
|
||||
return SQLiteStore(
|
||||
fileName: "Advanced.EvolutionDemo.sqlite",
|
||||
configuration: nil,
|
||||
migrationMappingProviders: upgradeMappings + downgradeMappings,
|
||||
localStorageOptions: []
|
||||
)
|
||||
}
|
||||
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
var currentPeriod: Advanced.EvolutionDemo.GeologicalPeriod = Advanced.EvolutionDemo.GeologicalPeriod.allCases.last! {
|
||||
|
||||
didSet {
|
||||
|
||||
self.selectModelVersion(self.currentPeriod)
|
||||
}
|
||||
}
|
||||
|
||||
private(set) var current: (
|
||||
period: Advanced.EvolutionDemo.GeologicalPeriod,
|
||||
dataStack: DataStack,
|
||||
dataSource: Advanced.EvolutionDemo.CreaturesDataSource
|
||||
)? {
|
||||
|
||||
willSet {
|
||||
|
||||
self.objectWillChange.send()
|
||||
}
|
||||
}
|
||||
|
||||
private(set) var isBusy: Bool = false
|
||||
|
||||
private(set) var progress: Progress?
|
||||
|
||||
|
||||
init() {
|
||||
|
||||
self.synchronizeCurrentVersion()
|
||||
}
|
||||
|
||||
private func selectModelVersion(_ period: GeologicalPeriod) {
|
||||
|
||||
guard period != self.current?.period else {
|
||||
|
||||
// MARK: Private
|
||||
|
||||
private func synchronizeCurrentVersion() {
|
||||
|
||||
// Since we are only interested in finding current version, we'll assume an upgrading `MigrationChain`
|
||||
let dataStack = self.createDataStack(
|
||||
exactCurrentModelVersion: nil,
|
||||
migrationChain: MigrationChain(
|
||||
Advanced.EvolutionDemo.GeologicalPeriod.allCases.map({ $0.version })
|
||||
)
|
||||
)
|
||||
let migrations = try! dataStack.requiredMigrationsForStorage(
|
||||
self.accessSQLiteStore()
|
||||
)
|
||||
if let period = migrations.first
|
||||
.flatMap({ Advanced.EvolutionDemo.GeologicalPeriod(rawValue: $0.sourceVersion) }) {
|
||||
|
||||
self.selectModelVersion(period)
|
||||
}
|
||||
else {
|
||||
|
||||
self.selectModelVersion(self.currentPeriod)
|
||||
}
|
||||
}
|
||||
|
||||
private func selectModelVersion(_ period: Advanced.EvolutionDemo.GeologicalPeriod) {
|
||||
|
||||
let currentPeriod = self.current?.period
|
||||
guard period != currentPeriod else {
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
self.objectWillChange.send()
|
||||
|
||||
self.isBusy = true
|
||||
|
||||
// explicitly trigger `NSPersistentStore` cleanup by deallocating the `DataStack`
|
||||
self.current = nil
|
||||
|
||||
|
||||
let migrationChain: MigrationChain
|
||||
switch (currentPeriod?.version, period.version) {
|
||||
|
||||
case (nil, let newVersion):
|
||||
migrationChain = [newVersion]
|
||||
|
||||
case (let currentVersion?, let newVersion):
|
||||
let upgradeMigrationChain = Advanced.EvolutionDemo.GeologicalPeriod.allCases
|
||||
.map({ $0.version })
|
||||
let currentVersionIndex = upgradeMigrationChain.firstIndex(of: currentVersion)!
|
||||
let newVersionIndex = upgradeMigrationChain.firstIndex(of: newVersion)!
|
||||
|
||||
migrationChain = MigrationChain(
|
||||
currentVersionIndex > newVersionIndex
|
||||
? upgradeMigrationChain.reversed()
|
||||
: upgradeMigrationChain
|
||||
)
|
||||
}
|
||||
let dataStack = self.createDataStack(
|
||||
exactCurrentModelVersion: period.version,
|
||||
migrationChain: migrationChain
|
||||
)
|
||||
|
||||
let completion = { [weak self] () -> Void in
|
||||
|
||||
guard let self = self else {
|
||||
|
||||
return
|
||||
}
|
||||
self.objectWillChange.send()
|
||||
defer {
|
||||
|
||||
self.isBusy = false
|
||||
}
|
||||
self.current = (
|
||||
period: period,
|
||||
dataStack: dataStack,
|
||||
dataSource: period.creatureType.dataSource(in: dataStack)
|
||||
)
|
||||
self.currentPeriod = period
|
||||
}
|
||||
|
||||
self.progress = dataStack.addStorage(
|
||||
self.accessSQLiteStore(),
|
||||
completion: { [weak self] result in
|
||||
|
||||
guard let self = self else {
|
||||
|
||||
return
|
||||
}
|
||||
guard case .success = result else {
|
||||
|
||||
self.objectWillChange.send()
|
||||
self.isBusy = false
|
||||
return
|
||||
}
|
||||
if self.progress == nil {
|
||||
|
||||
self.spawnCreatures(in: dataStack, period: period, completion: completion)
|
||||
}
|
||||
else {
|
||||
|
||||
completion()
|
||||
}
|
||||
}
|
||||
)
|
||||
}
|
||||
|
||||
private func spawnCreatures(
|
||||
in dataStack: DataStack,
|
||||
period: Advanced.EvolutionDemo.GeologicalPeriod,
|
||||
completion: @escaping () -> Void
|
||||
) {
|
||||
|
||||
dataStack.perform(
|
||||
asynchronous: { (transaction) in
|
||||
|
||||
let creatureType = period.creatureType
|
||||
for dnaCode in try creatureType.count(in: transaction) ..< 10000 {
|
||||
|
||||
let object = creatureType.create(in: transaction)
|
||||
object.dnaCode = Int64(dnaCode)
|
||||
object.mutate(in: transaction)
|
||||
}
|
||||
},
|
||||
completion: { _ in completion() }
|
||||
)
|
||||
}
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,127 @@
|
||||
//
|
||||
// Demo
|
||||
// Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
|
||||
|
||||
import SwiftUI
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo
|
||||
|
||||
extension Advanced.EvolutionDemo {
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.ProgressView
|
||||
|
||||
struct ProgressView: View {
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
init(progress: Progress?) {
|
||||
|
||||
self.progressObserver = .init(progress)
|
||||
}
|
||||
|
||||
|
||||
// MARK: View
|
||||
|
||||
var body: some View {
|
||||
|
||||
guard self.progressObserver.isMigrating else {
|
||||
|
||||
return AnyView(
|
||||
VStack(alignment: .center) {
|
||||
Text("Preparing creatures...")
|
||||
.padding()
|
||||
Spacer()
|
||||
}
|
||||
.padding()
|
||||
)
|
||||
}
|
||||
return AnyView(
|
||||
VStack(alignment: .leading) {
|
||||
Text("Migrating: \(self.progressObserver.localizedDescription)")
|
||||
.font(.headline)
|
||||
.padding([.top, .horizontal])
|
||||
Text("Progressive step: \(self.progressObserver.localizedAdditionalDescription)")
|
||||
.font(.subheadline)
|
||||
.padding(.horizontal)
|
||||
GeometryReader { geometry in
|
||||
ZStack(alignment: .leading) {
|
||||
Color.gray
|
||||
.opacity(0.2)
|
||||
.frame(width: geometry.size.width, height: 8)
|
||||
.cornerRadius(4.0)
|
||||
Color.blue
|
||||
.frame(
|
||||
width: geometry.size.width
|
||||
* self.progressObserver.fractionCompleted,
|
||||
height: 8
|
||||
)
|
||||
.cornerRadius(4.0)
|
||||
}
|
||||
}
|
||||
.fixedSize(horizontal: false, vertical: true)
|
||||
.padding()
|
||||
Spacer()
|
||||
}
|
||||
.padding()
|
||||
)
|
||||
}
|
||||
|
||||
|
||||
// MARK: FilePrivate
|
||||
|
||||
@ObservedObject
|
||||
private var progressObserver: ProgressObserver
|
||||
|
||||
|
||||
// MARK: - ProgressObserver
|
||||
|
||||
fileprivate final class ProgressObserver: ObservableObject {
|
||||
|
||||
private(set) var fractionCompleted: CGFloat = 0
|
||||
private(set) var localizedDescription: String = ""
|
||||
private(set) var localizedAdditionalDescription: String = ""
|
||||
|
||||
var isMigrating: Bool {
|
||||
|
||||
return self.progress != nil
|
||||
}
|
||||
|
||||
init(_ progress: Progress?) {
|
||||
|
||||
self.progress = progress
|
||||
|
||||
progress?.setProgressHandler { [weak self] (progess) in
|
||||
|
||||
guard let self = self else {
|
||||
return
|
||||
}
|
||||
self.objectWillChange.send()
|
||||
self.fractionCompleted = CGFloat(progress?.fractionCompleted ?? 0)
|
||||
self.localizedDescription = progress?.localizedDescription ?? ""
|
||||
self.localizedAdditionalDescription = progress?.localizedAdditionalDescription ?? ""
|
||||
}
|
||||
}
|
||||
|
||||
// MARK: Private
|
||||
|
||||
private let progress: Progress?
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#if DEBUG
|
||||
|
||||
struct _Demo_Advanced_EvolutionDemo_ProgressView_Preview: PreviewProvider {
|
||||
|
||||
// MARK: PreviewProvider
|
||||
|
||||
static var previews: some View {
|
||||
let progress = Progress(totalUnitCount: 10)
|
||||
progress.completedUnitCount = 3
|
||||
return Advanced.EvolutionDemo.ProgressView(
|
||||
progress: progress
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
@@ -30,6 +30,31 @@ final class Advanced_EvolutionDemo_V1_Creature: NSManagedObject, Advanced.Evolut
|
||||
|
||||
|
||||
// MARK: Advanced.EvolutionDemo.CreatureType
|
||||
|
||||
static func dataSource(in dataStack: DataStack) -> Advanced.EvolutionDemo.CreaturesDataSource {
|
||||
|
||||
return .init(
|
||||
listPublisher: dataStack.publishList(
|
||||
From<Advanced.EvolutionDemo.V1.Creature>()
|
||||
.orderBy(.descending(\.dnaCode))
|
||||
),
|
||||
dataStack: dataStack
|
||||
)
|
||||
}
|
||||
|
||||
static func count(in transaction: BaseDataTransaction) throws -> Int {
|
||||
|
||||
return try transaction.fetchCount(
|
||||
From<Advanced.EvolutionDemo.V1.Creature>()
|
||||
)
|
||||
}
|
||||
|
||||
static func create(in transaction: BaseDataTransaction) -> Advanced.EvolutionDemo.V1.Creature {
|
||||
|
||||
return transaction.create(
|
||||
Into<Advanced.EvolutionDemo.V1.Creature>()
|
||||
)
|
||||
}
|
||||
|
||||
func mutate(in transaction: BaseDataTransaction) {
|
||||
|
||||
|
||||
@@ -0,0 +1,27 @@
|
||||
//
|
||||
// Demo
|
||||
// Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
|
||||
|
||||
import CoreStore
|
||||
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.V1
|
||||
|
||||
extension Advanced.EvolutionDemo.V1 {
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.V1.FromV2
|
||||
|
||||
enum FromV2 {
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
static var mapping: XcodeSchemaMappingProvider {
|
||||
|
||||
return XcodeSchemaMappingProvider(
|
||||
from: Advanced.EvolutionDemo.V2.name,
|
||||
to: Advanced.EvolutionDemo.V1.name,
|
||||
mappingModelBundle: Bundle(for: Advanced.EvolutionDemo.V1.Creature.self)
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
File diff suppressed because one or more lines are too long
@@ -18,7 +18,7 @@ extension Advanced.EvolutionDemo {
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
static let name: ModelVersion = "Advanced.Evolution.V1"
|
||||
static let name: ModelVersion = "Advanced.EvolutionDemo.V1"
|
||||
|
||||
typealias Creature = Advanced_EvolutionDemo_V1_Creature
|
||||
}
|
||||
|
||||
@@ -42,6 +42,31 @@ final class Advanced_EvolutionDemo_V2_Creature: NSManagedObject, Advanced.Evolut
|
||||
|
||||
|
||||
// MARK: Advanced.EvolutionDemo.CreatureType
|
||||
|
||||
static func dataSource(in dataStack: DataStack) -> Advanced.EvolutionDemo.CreaturesDataSource {
|
||||
|
||||
return .init(
|
||||
listPublisher: dataStack.publishList(
|
||||
From<Advanced.EvolutionDemo.V2.Creature>()
|
||||
.orderBy(.descending(\.dnaCode))
|
||||
),
|
||||
dataStack: dataStack
|
||||
)
|
||||
}
|
||||
|
||||
static func count(in transaction: BaseDataTransaction) throws -> Int {
|
||||
|
||||
return try transaction.fetchCount(
|
||||
From<Advanced.EvolutionDemo.V2.Creature>()
|
||||
)
|
||||
}
|
||||
|
||||
static func create(in transaction: BaseDataTransaction) -> Advanced.EvolutionDemo.V2.Creature {
|
||||
|
||||
return transaction.create(
|
||||
Into<Advanced.EvolutionDemo.V2.Creature>()
|
||||
)
|
||||
}
|
||||
|
||||
func mutate(in transaction: BaseDataTransaction) {
|
||||
|
||||
|
||||
@@ -0,0 +1,27 @@
|
||||
//
|
||||
// Demo
|
||||
// Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
|
||||
|
||||
import CoreStore
|
||||
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.V2
|
||||
|
||||
extension Advanced.EvolutionDemo.V2 {
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.V2.FromV1
|
||||
|
||||
enum FromV1 {
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
static var mapping: XcodeSchemaMappingProvider {
|
||||
|
||||
return XcodeSchemaMappingProvider(
|
||||
from: Advanced.EvolutionDemo.V1.name,
|
||||
to: Advanced.EvolutionDemo.V2.name,
|
||||
mappingModelBundle: Bundle(for: Advanced.EvolutionDemo.V1.Creature.self)
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
File diff suppressed because one or more lines are too long
@@ -0,0 +1,40 @@
|
||||
//
|
||||
// Demo
|
||||
// Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
|
||||
|
||||
import CoreData
|
||||
import CoreStore
|
||||
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.V2.FromV1MigrationPolicy
|
||||
|
||||
@objc(Advanced_EvolutionDemo_V2_FromV1MigrationPolicy)
|
||||
final class Advanced_EvolutionDemo_V2_FromV1MigrationPolicy: NSEntityMigrationPolicy {
|
||||
|
||||
// MARK: NSEntityMigrationPolicy
|
||||
|
||||
override func createDestinationInstances(
|
||||
forSource sInstance: NSManagedObject,
|
||||
in mapping: NSEntityMapping,
|
||||
manager: NSMigrationManager
|
||||
) throws {
|
||||
|
||||
try super.createDestinationInstances(
|
||||
forSource: sInstance,
|
||||
in: mapping,
|
||||
manager: manager
|
||||
)
|
||||
|
||||
for dInstance in manager.destinationInstances(forEntityMappingName: mapping.name, sourceInstances: [sInstance]) {
|
||||
|
||||
dInstance.setValue(
|
||||
Bool.random(),
|
||||
forKey: #keyPath(Advanced.EvolutionDemo.V2.Creature.hasVertebrae)
|
||||
)
|
||||
dInstance.setValue(
|
||||
Bool.random(),
|
||||
forKey: #keyPath(Advanced.EvolutionDemo.V2.Creature.hasTail)
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,41 @@
|
||||
//
|
||||
// Demo
|
||||
// Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
|
||||
|
||||
import CoreStore
|
||||
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.V2
|
||||
|
||||
extension Advanced.EvolutionDemo.V2 {
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.V2.FromV3
|
||||
|
||||
enum FromV3 {
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
static var mapping: CustomSchemaMappingProvider {
|
||||
|
||||
return CustomSchemaMappingProvider(
|
||||
from: Advanced.EvolutionDemo.V3.name,
|
||||
to: Advanced.EvolutionDemo.V2.name,
|
||||
entityMappings: [
|
||||
.transformEntity(
|
||||
sourceEntity: "Creature",
|
||||
destinationEntity: "Creature",
|
||||
transformer: { (source, createDestination) in
|
||||
|
||||
let destination = createDestination()
|
||||
destination["dnaCode"] = source["dnaCode"]
|
||||
destination["numberOfFlippers"] = source["numberOfLimbs"]
|
||||
destination["hasVertebrae"] = source["hasVertebrae"]
|
||||
destination["hasHead"] = source["hasHead"]
|
||||
destination["hasTail"] = source["hasTail"]
|
||||
}
|
||||
)
|
||||
]
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -18,8 +18,10 @@ extension Advanced.EvolutionDemo {
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
static let name: ModelVersion = "Advanced.Evolution.V2"
|
||||
static let name: ModelVersion = "Advanced.EvolutionDemo.V2"
|
||||
|
||||
typealias Creature = Advanced_EvolutionDemo_V2_Creature
|
||||
|
||||
typealias FromV1MigrationPolicy = Advanced_EvolutionDemo_V2_FromV1MigrationPolicy
|
||||
}
|
||||
}
|
||||
|
||||
@@ -64,6 +64,31 @@ extension Advanced.EvolutionDemo.V3 {
|
||||
|
||||
|
||||
// MARK: Advanced.EvolutionDemo.CreatureType
|
||||
|
||||
static func dataSource(in dataStack: DataStack) -> Advanced.EvolutionDemo.CreaturesDataSource {
|
||||
|
||||
return .init(
|
||||
listPublisher: dataStack.publishList(
|
||||
From<Advanced.EvolutionDemo.V3.Creature>()
|
||||
.orderBy(.descending(\.$dnaCode))
|
||||
),
|
||||
dataStack: dataStack
|
||||
)
|
||||
}
|
||||
|
||||
static func count(in transaction: BaseDataTransaction) throws -> Int {
|
||||
|
||||
return try transaction.fetchCount(
|
||||
From<Advanced.EvolutionDemo.V3.Creature>()
|
||||
)
|
||||
}
|
||||
|
||||
static func create(in transaction: BaseDataTransaction) -> Advanced.EvolutionDemo.V3.Creature {
|
||||
|
||||
return transaction.create(
|
||||
Into<Advanced.EvolutionDemo.V3.Creature>()
|
||||
)
|
||||
}
|
||||
|
||||
func mutate(in transaction: BaseDataTransaction) {
|
||||
|
||||
|
||||
@@ -0,0 +1,43 @@
|
||||
//
|
||||
// Demo
|
||||
// Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
|
||||
|
||||
import CoreStore
|
||||
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.V3
|
||||
|
||||
extension Advanced.EvolutionDemo.V3 {
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.V3.FromV2
|
||||
|
||||
enum FromV2 {
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
static var mapping: CustomSchemaMappingProvider {
|
||||
|
||||
return CustomSchemaMappingProvider(
|
||||
from: Advanced.EvolutionDemo.V2.name,
|
||||
to: Advanced.EvolutionDemo.V3.name,
|
||||
entityMappings: [
|
||||
.transformEntity(
|
||||
sourceEntity: "Creature",
|
||||
destinationEntity: "Creature",
|
||||
transformer: { (source, createDestination) in
|
||||
|
||||
let destination = createDestination()
|
||||
destination["dnaCode"] = source["dnaCode"]
|
||||
destination["numberOfLimbs"] = source["numberOfFlippers"]
|
||||
destination["hasVertebrae"] = source["hasVertebrae"]
|
||||
destination["hasHead"] = source["hasHead"]
|
||||
destination["hasTail"] = source["hasTail"]
|
||||
destination["hasWings"] = Bool.random()
|
||||
destination["habitat"] = Advanced.EvolutionDemo.V3.Creature.Habitat.allCases.randomElement()!.rawValue
|
||||
}
|
||||
)
|
||||
]
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,33 @@
|
||||
//
|
||||
// Demo
|
||||
// Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
|
||||
|
||||
import CoreStore
|
||||
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.V3
|
||||
|
||||
extension Advanced.EvolutionDemo.V3 {
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.V3.FromV4
|
||||
|
||||
enum FromV4 {
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
static var mapping: CustomSchemaMappingProvider {
|
||||
|
||||
return CustomSchemaMappingProvider(
|
||||
from: Advanced.EvolutionDemo.V4.name,
|
||||
to: Advanced.EvolutionDemo.V3.name,
|
||||
entityMappings: [
|
||||
.transformEntity(
|
||||
sourceEntity: "Creature",
|
||||
destinationEntity: "Creature",
|
||||
transformer: CustomSchemaMappingProvider.CustomMapping.inferredTransformation(_:_:)
|
||||
)
|
||||
]
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -18,6 +18,6 @@ extension Advanced.EvolutionDemo {
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
static let name: ModelVersion = "Advanced.Evolution.V3"
|
||||
static let name: ModelVersion = "Advanced.EvolutionDemo.V3"
|
||||
}
|
||||
}
|
||||
|
||||
@@ -60,6 +60,31 @@ extension Advanced.EvolutionDemo.V4 {
|
||||
|
||||
|
||||
// MARK: Advanced.EvolutionDemo.CreatureType
|
||||
|
||||
static func dataSource(in dataStack: DataStack) -> Advanced.EvolutionDemo.CreaturesDataSource {
|
||||
|
||||
return .init(
|
||||
listPublisher: dataStack.publishList(
|
||||
From<Advanced.EvolutionDemo.V4.Creature>()
|
||||
.orderBy(.descending(\.$dnaCode))
|
||||
),
|
||||
dataStack: dataStack
|
||||
)
|
||||
}
|
||||
|
||||
static func count(in transaction: BaseDataTransaction) throws -> Int {
|
||||
|
||||
return try transaction.fetchCount(
|
||||
From<Advanced.EvolutionDemo.V4.Creature>()
|
||||
)
|
||||
}
|
||||
|
||||
static func create(in transaction: BaseDataTransaction) -> Advanced.EvolutionDemo.V4.Creature {
|
||||
|
||||
return transaction.create(
|
||||
Into<Advanced.EvolutionDemo.V4.Creature>()
|
||||
)
|
||||
}
|
||||
|
||||
func mutate(in transaction: BaseDataTransaction) {
|
||||
|
||||
|
||||
@@ -0,0 +1,44 @@
|
||||
//
|
||||
// Demo
|
||||
// Copyright © 2020 John Rommel Estropia, Inc. All rights reserved.
|
||||
|
||||
import CoreStore
|
||||
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.V4
|
||||
|
||||
extension Advanced.EvolutionDemo.V4 {
|
||||
|
||||
// MARK: - Advanced.EvolutionDemo.V4.FromV3
|
||||
|
||||
enum FromV3 {
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
static var mapping: CustomSchemaMappingProvider {
|
||||
|
||||
return CustomSchemaMappingProvider(
|
||||
from: Advanced.EvolutionDemo.V3.name,
|
||||
to: Advanced.EvolutionDemo.V4.name,
|
||||
entityMappings: [
|
||||
.transformEntity(
|
||||
sourceEntity: "Creature",
|
||||
destinationEntity: "Creature",
|
||||
transformer: { (source, createDestination) in
|
||||
|
||||
let destination = createDestination()
|
||||
destination.enumerateAttributes { (destinationAttribute, sourceAttribute) in
|
||||
|
||||
if let sourceAttribute = sourceAttribute {
|
||||
|
||||
destination[destinationAttribute] = source[sourceAttribute]
|
||||
}
|
||||
}
|
||||
destination["isWarmBlooded"] = Bool.random()
|
||||
}
|
||||
)
|
||||
]
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -18,6 +18,6 @@ extension Advanced.EvolutionDemo {
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
static let name: ModelVersion = "Advanced.Evolution.V4"
|
||||
static let name: ModelVersion = "Advanced.EvolutionDemo.V4"
|
||||
}
|
||||
}
|
||||
|
||||
@@ -9,7 +9,7 @@ extension Advanced {
|
||||
// MARK: - Advanced.EvolutionDemo
|
||||
|
||||
/**
|
||||
Sample execution of progressive migrations. This demo also supports backwards migration.
|
||||
Sample execution of progressive migrations. This demo also shows how to do two-way migration chains (upgrades+downgrades), while allowing the app to use any version of the model.
|
||||
*/
|
||||
enum EvolutionDemo {}
|
||||
}
|
||||
|
||||
@@ -33,10 +33,6 @@ import CoreData
|
||||
All CoreStore's utilities are designed around `DynamicObject` instances. `NSManagedObject` and `CoreStoreObject` instances all conform to `DynamicObject`.
|
||||
*/
|
||||
public protocol DynamicObject: AnyObject {
|
||||
/**
|
||||
The object ID for this instance
|
||||
*/
|
||||
typealias ObjectID = NSManagedObjectID
|
||||
|
||||
/**
|
||||
Used internally by CoreStore. Do not call directly.
|
||||
@@ -72,6 +68,11 @@ public protocol DynamicObject: AnyObject {
|
||||
extension DynamicObject {
|
||||
|
||||
// MARK: Internal
|
||||
|
||||
/**
|
||||
The object ID for this instance
|
||||
*/
|
||||
public typealias ObjectID = NSManagedObjectID
|
||||
|
||||
internal func runtimeType() -> Self.Type {
|
||||
|
||||
|
||||
Reference in New Issue
Block a user