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Code Issues 95 Packages Projects Releases 10 Wiki Activity

added comments to playground

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John Estropia
2018-12-18 18:44:47 +09:00
parent 4a28a39df6
commit cdbadae002
3 changed files with 22 additions and 2 deletions
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14
Playground.playground/Contents.swift
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@@ -1,6 +1,7 @@
import UIKit import UIKit
import CoreStore import CoreStore
/// Model Declaration =====
class Animal: CoreStoreObject { class Animal: CoreStoreObject {
let species = Value.Required<String>("species", initial: "Swift") let species = Value.Required<String>("species", initial: "Swift")
let master = Relationship.ToOne<Person>("master") let master = Relationship.ToOne<Person>("master")
@@ -8,11 +9,13 @@ class Animal: CoreStoreObject {
} }
class Person: CoreStoreObject { class Person: CoreStoreObject {
let name = Value.Required<String>("name", initial: "") let name = Value.Optional<String>("name")
let pets = Relationship.ToManyUnordered<Animal>("pets", inverse: { $0.master }) let pets = Relationship.ToManyUnordered<Animal>("pets", inverse: { $0.master })
} }
/// =======================
/// Stack setup ===========
let dataStack = DataStack( let dataStack = DataStack(
CoreStoreSchema( CoreStoreSchema(
modelVersion: "V1", modelVersion: "V1",
@@ -22,8 +25,11 @@ let dataStack = DataStack(
] ]
) )
) )
try dataStack.addStorageAndWait() try dataStack.addStorageAndWait(SQLiteStore(fileName: "data.sqlite"))
/// =======================
/// Transactions ==========
dataStack.perform(synchronous: { transaction in dataStack.perform(synchronous: { transaction in
let animal = transaction.create(Into<Animal>()) let animal = transaction.create(Into<Animal>())
@@ -34,7 +40,10 @@ dataStack.perform(synchronous: { transaction in
person.name .= "John" person.name .= "John"
person.pets.value.insert(animal) person.pets.value.insert(animal)
}) })
/// =======================
/// Accessing Objects =====
let bird = dataStack.fetchOne(From<Animal>().where(\.species == "Sparrow"))! let bird = dataStack.fetchOne(From<Animal>().where(\.species == "Sparrow"))!
bird.species.value bird.species.value
bird.color.value bird.color.value
@@ -44,3 +53,4 @@ let owner = bird.master.value!
owner.name.value owner.name.value
owner.pets.count owner.pets.count
print(owner) print(owner)
/// =======================

4
Playground.playground/playground.xcworkspace/contents.xcworkspacedata generated Normal file
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@@ -0,0 +1,4 @@
<?xml version="1.0" encoding="UTF-8"?>
<Workspace
version = "1.0">
</Workspace>

6
Playground.playground/timeline.xctimeline Normal file
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@@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<Timeline
version = "3.0">
<TimelineItems>
</TimelineItems>
</Timeline>