From cdbadae00214747e9b6a04efe54f9f9860ff04a4 Mon Sep 17 00:00:00 2001
From: John Estropia <rommel.estropia@gmail.com>
Date: Tue, 18 Dec 2018 18:44:47 +0900
Subject: [PATCH] added comments to playground

---
 Playground.playground/Contents.swift               | 14 ++++++++++++--
 .../contents.xcworkspacedata                       |  4 ++++
 Playground.playground/timeline.xctimeline          |  6 ++++++
 3 files changed, 22 insertions(+), 2 deletions(-)
 create mode 100644 Playground.playground/playground.xcworkspace/contents.xcworkspacedata
 create mode 100644 Playground.playground/timeline.xctimeline

diff --git a/Playground.playground/Contents.swift b/Playground.playground/Contents.swift
index 71a9c40d..ccc21c8a 100644
--- a/Playground.playground/Contents.swift
+++ b/Playground.playground/Contents.swift
@@ -1,6 +1,7 @@
 import UIKit
 import CoreStore
 
+/// Model Declaration =====
 class Animal: CoreStoreObject {
     let species = Value.Required<String>("species", initial: "Swift")
     let master = Relationship.ToOne<Person>("master")
@@ -8,11 +9,13 @@ class Animal: 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 })
 }
+/// =======================
 
 
+/// Stack setup ===========
 let dataStack = DataStack(
     CoreStoreSchema(
         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
 
     let animal = transaction.create(Into<Animal>())
@@ -34,7 +40,10 @@ dataStack.perform(synchronous: { transaction in
     person.name .= "John"
     person.pets.value.insert(animal)
 })
+/// =======================
+
 
+/// Accessing Objects =====
 let bird = dataStack.fetchOne(From<Animal>().where(\.species == "Sparrow"))!
 bird.species.value
 bird.color.value
@@ -44,3 +53,4 @@ let owner = bird.master.value!
 owner.name.value
 owner.pets.count
 print(owner)
+/// =======================
diff --git a/Playground.playground/playground.xcworkspace/contents.xcworkspacedata b/Playground.playground/playground.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 00000000..94b2795e
--- /dev/null
+++ b/Playground.playground/playground.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+</Workspace>
diff --git a/Playground.playground/timeline.xctimeline b/Playground.playground/timeline.xctimeline
new file mode 100644
index 00000000..bf468afe
--- /dev/null
+++ b/Playground.playground/timeline.xctimeline
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Timeline
+   version = "3.0">
+   <TimelineItems>
+   </TimelineItems>
+</Timeline>