+generation

Oktawian Chojnacki · Oktawian Chojnacki · commit 49a71a030507 · 2014-10-03T20:47:54.000+02:00
diff --git a/Design-Patterns.playground.zip b/Design-Patterns.playground.zip
diff --git a/Design-Patterns.playground/Documentation/section-43.html b/Design-Patterns.playground/Documentation/section-43.html
@@ -11,7 +11,7 @@
 <body>
 <div class="content-wrapper">
   <section class="section">
-    <h2 id="-virtual-proxy">🍬  Virtual Proxy</h2>
+    <h2 id="-virtual-proxy">🍬 Virtual Proxy</h2>
 <p><strong>Source:</strong></p>
 
   </section>
diff --git a/Design-Patterns.playground/Documentation/section-47.html b/Design-Patterns.playground/Documentation/section-47.html
@@ -11,7 +11,7 @@
 <body>
 <div class="content-wrapper">
   <section class="section">
-    <h2 id="-protection-proxy">☔  Protection Proxy</h2>
+    <h2 id="-protection-proxy">☔ Protection Proxy</h2>
 <p><strong>Source:</strong></p>
 
   </section>
diff --git a/Design-Patterns.playground/Documentation/section-51.html b/Design-Patterns.playground/Documentation/section-51.html
@@ -16,8 +16,8 @@ <h1 id="behavioral">Behavioral</h1>
 <p>In software engineering, behavioral design patterns are design patterns that identify common communication patterns between objects and realize these patterns. By doing so, these patterns increase flexibility in carrying out this communication.</p>
 <p><strong>Source:</strong> <a href="http://en.wikipedia.org/wiki/Behavioral_pattern">wikipedia.org</a></p>
 </blockquote>
-<h2 id="-chain-of-responsibility">🚧 Chain Of Responsibility</h2>
-<h2 id="-command">👫 Command</h2>
+<h2 id="-chain-of-responsibility">🐝 Chain Of Responsibility</h2>
+<p><strong>Source:</strong></p>
 
   </section>
 </div>
diff --git a/Design-Patterns.playground/Documentation/section-55.html b/Design-Patterns.playground/Documentation/section-55.html
@@ -11,10 +11,7 @@
 <body>
 <div class="content-wrapper">
   <section class="section">
-    <h2 id="-iterator">🚧  Iterator</h2>
-<h2 id="-mediator">🚧  Mediator</h2>
-<h2 id="-memento">🚧  Memento</h2>
-<h2 id="-observer">👓 Observer</h2>
+    <h2 id="-command">👫 Command</h2>
 
   </section>
 </div>
diff --git a/Design-Patterns.playground/Documentation/section-59.html b/Design-Patterns.playground/Documentation/section-59.html
@@ -11,7 +11,10 @@
 <body>
 <div class="content-wrapper">
   <section class="section">
-    <h2 id="-state">🐉 State</h2>
+    <h2 id="-iterator">🚧  Iterator</h2>
+<h2 id="-mediator">🚧  Mediator</h2>
+<h2 id="-memento">🚧  Memento</h2>
+<h2 id="-observer">👓 Observer</h2>
 
   </section>
 </div>
diff --git a/Design-Patterns.playground/Documentation/section-63.html b/Design-Patterns.playground/Documentation/section-63.html
@@ -11,7 +11,7 @@
 <body>
 <div class="content-wrapper">
   <section class="section">
-    <h2 id="-strategy">💡 Strategy</h2>
+    <h2 id="-state">🐉 State</h2>
 
   </section>
 </div>
diff --git a/Design-Patterns.playground/Documentation/section-67.html b/Design-Patterns.playground/Documentation/section-67.html
@@ -11,7 +11,7 @@
 <body>
 <div class="content-wrapper">
   <section class="section">
-    <h2 id="-visitor">🏃 Visitor</h2>
+    <h2 id="-strategy">💡 Strategy</h2>
 
   </section>
 </div>
diff --git a/Design-Patterns.playground/Documentation/section-71.html b/Design-Patterns.playground/Documentation/section-71.html
@@ -11,9 +11,7 @@
 <body>
 <div class="content-wrapper">
   <section class="section">
-    <h1 id="info">Info</h1>
-<p>🍺 Playground generated with: <a href="https://github.com/jas/swift-playground-builder">Swift Playground Builder</a> by <a href="http://twitter.com/jasonsandmeyer">@jasonsandmeyer</a></p>
-<p>🚀 How to generate playground (+zip) from this README: <a href="https://github.com/ochococo/Design-Patterns-In-Swift/blob/master/GENERATE.markdown">GENERATE.markdown</a></p>
+    <h2 id="-visitor">🏃 Visitor</h2>
 
   </section>
 </div>
diff --git a/Design-Patterns.playground/Documentation/section-73.html b/Design-Patterns.playground/Documentation/section-73.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Section 74</title>
+  <meta id="xcode-display" name="xcode-display" content="render">
+  <meta name="apple-mobile-web-app-capable" content="yes">
+  <meta name="viewport" content="width=device-width, maximum-scale=1.0">
+  <link rel="stylesheet" type="text/css" href="stylesheet.css">
+</head>
+<body>
+<div class="content-wrapper">
+  <section class="section">
+    <p><strong>Usage:</strong></p>
+
+  </section>
+</div>
+</body>
+</html>
diff --git a/Design-Patterns.playground/Documentation/section-75.html b/Design-Patterns.playground/Documentation/section-75.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Section 76</title>
+  <meta id="xcode-display" name="xcode-display" content="render">
+  <meta name="apple-mobile-web-app-capable" content="yes">
+  <meta name="viewport" content="width=device-width, maximum-scale=1.0">
+  <link rel="stylesheet" type="text/css" href="stylesheet.css">
+</head>
+<body>
+<div class="content-wrapper">
+  <section class="section">
+    <h1 id="info">Info</h1>
+<p>🍺 Playground generated with: <a href="https://github.com/jas/swift-playground-builder">Swift Playground Builder</a> by <a href="http://twitter.com/jasonsandmeyer">@jasonsandmeyer</a></p>
+<p>🚀 How to generate playground (+zip) from this README: <a href="https://github.com/ochococo/Design-Patterns-In-Swift/blob/master/GENERATE.markdown">GENERATE.markdown</a></p>
+
+  </section>
+</div>
+</body>
+</html>
diff --git a/Design-Patterns.playground/contents.xcplayground b/Design-Patterns.playground/contents.xcplayground
@@ -145,5 +145,13 @@
         </code>
         <documentation relative-path="section-71.html">
         </documentation>
+        <code source-file-name="section-72.swift">
+        </code>
+        <documentation relative-path="section-73.html">
+        </documentation>
+        <code source-file-name="section-74.swift">
+        </code>
+        <documentation relative-path="section-75.html">
+        </documentation>
     </sections>
 </playground>
diff --git a/Design-Patterns.playground/section-12.swift b/Design-Patterns.playground/section-12.swift
@@ -45,7 +45,7 @@ enum NumberType {
 class NumberAbstractFactory {
     class func numberFactoryType(type : NumberType) -> NumberFactoryProtocol {
         
-        switch (type) {
+        switch type {
             case .NextStep:
                     return NextStepNumberFactory()
             case .Swift:
diff --git a/Design-Patterns.playground/section-32.swift b/Design-Patterns.playground/section-32.swift
@@ -3,10 +3,11 @@
 class PointConverter {
 
     class func convert(#point:Point, base:Double, negative:Bool) -> Point {
+
         var pointConverted = Point{
-            if let x = point.x{ $0.x = x * base * (negative ? -1.0 : 1.0) }
-            if let y = point.y{ $0.y = y * base * (negative ? -1.0 : 1.0) }
-            if let z = point.z{ $0.z = z * base * (negative ? -1.0 : 1.0) }
+            if let x = point.x { $0.x = x * base * (negative ? -1.0 : 1.0) }
+            if let y = point.y { $0.y = y * base * (negative ? -1.0 : 1.0) }
+            if let z = point.z { $0.z = z * base * (negative ? -1.0 : 1.0) }
         }
         
         return pointConverted
diff --git a/Design-Patterns.playground/section-48.swift b/Design-Patterns.playground/section-48.swift
@@ -16,6 +16,7 @@ class CurrentComputer : DoorOperator {
         if pass != "pass" {
             return false
         }
+
         computer = HAL9000()
 
         return true
diff --git a/Design-Patterns.playground/section-52.swift b/Design-Patterns.playground/section-52.swift
@@ -1,46 +1,64 @@
-protocol FileOperationCommand {
-    init(file: String)
-    func execute()
-}
-
-class FileMoveCommand : FileOperationCommand {
-    let file:String
-
-    required init(file: String) {
-        self.file = file
-    }
+class MoneyPile {
+    let value: Int
+    var quantity: Int
+    var nextPile: MoneyPile?
     
-    func execute() {
-        print("\(file) moved")
+    init(value: Int, quantity: Int, nextPile: MoneyPile?) {
+        self.value = value
+        self.quantity = quantity
+        self.nextPile = nextPile
     }
-}
+    
+    func canWithdraw(var v: Int) -> Bool {
 
-class FileDeleteCommand : FileOperationCommand {
-    let file:String
+        func canTakeSomeBill(want: Int) -> Bool {
+            return (want / self.value) > 0
+        }
+        
+        var q = self.quantity
 
-    required init(file: String) {
-        self.file = file
-    }
-    
-    func execute() {
-        print("\(file) deleted")
+        while canTakeSomeBill(v) {
+
+            if (q == 0) {
+                break
+            }
+
+            v -= self.value
+            q -= 1
+        }
+
+        if v == 0 {
+            return true
+        } else if let next = self.nextPile {
+            return next.canWithdraw(v)
+        }
+
+        return false
     }
 }
 
-class FileManager {
-    let deleteCommand: FileOperationCommand
-    let moveCommand: FileOperationCommand
+class ATM {
+    private var hundred: MoneyPile
+    private var fifty: MoneyPile
+    private var twenty: MoneyPile
+    private var ten: MoneyPile
     
-    init(deleteCommand: FileDeleteCommand, moveCommand: FileMoveCommand) {
-        self.deleteCommand = deleteCommand
-        self.moveCommand = moveCommand
+    private var startPile: MoneyPile {
+        return self.hundred
     }
     
-    func delete() {
-        deleteCommand.execute()
+    init(hundred: MoneyPile, 
+           fifty: MoneyPile, 
+          twenty: MoneyPile, 
+             ten: MoneyPile) {
+
+        self.hundred = hundred
+        self.fifty = fifty
+        self.twenty = twenty
+        self.ten = ten
     }
     
-    func move() {
-        moveCommand.execute()
+    func canWithdraw(value: Int) -> String {
+        return "Can withdraw: \(self.startPile.canWithdraw(value))"
     }
 }
diff --git a/Design-Patterns.playground/section-54.swift b/Design-Patterns.playground/section-54.swift
@@ -1,6 +1,12 @@
-let deleteCommand = FileDeleteCommand(file: "/path/to/testfile")
-let moveCommand = FileMoveCommand(file: "/path/to/testfile")
-let fileManager = FileManager(deleteCommand:deleteCommand , moveCommand: moveCommand)
+// Create piles of money and link them together 10 < 20 < 50 < 100.
+let ten = MoneyPile(value: 10, quantity: 6, nextPile: nil)
+let twenty = MoneyPile(value: 20, quantity: 2, nextPile: ten)
+let fifty = MoneyPile(value: 50, quantity: 2, nextPile: twenty)
+let hundred = MoneyPile(value: 100, quantity: 1, nextPile: fifty)
 
-fileManager.delete()
-fileManager.move()
+// Build ATM.
+var atm = ATM(hundred: hundred, fifty: fifty, twenty: twenty, ten: ten)
+atm.canWithdraw(310) // Cannot because ATM has only 300
+atm.canWithdraw(100) // Can withdraw - 1x100
+atm.canWithdraw(165) // Cannot withdraw because ATM doesn't has bill with value of 5
+atm.canWithdraw(30)  // Can withdraw - 1x20, 2x10
diff --git a/Design-Patterns.playground/section-56.swift b/Design-Patterns.playground/section-56.swift
@@ -1,12 +1,46 @@
-class StepCounter {
-    var totalSteps: Int = 0 {
-        willSet(newTotalSteps) {
-            println("About to set totalSteps to \(newTotalSteps)")
-        }
-        didSet {
-            if totalSteps > oldValue  {
-                println("Added \(totalSteps - oldValue) steps")
-            }
-        }
+protocol FileOperationCommand {
+    init(file: String)
+    func execute()
+}
+
+class FileMoveCommand : FileOperationCommand {
+    let file:String
+
+    required init(file: String) {
+        self.file = file
+    }
+    
+    func execute() {
+        print("\(file) moved")
+    }
+}
+
+class FileDeleteCommand : FileOperationCommand {
+    let file:String
+
+    required init(file: String) {
+        self.file = file
+    }
+    
+    func execute() {
+        print("\(file) deleted")
+    }
+}
+
+class FileManager {
+    let deleteCommand: FileOperationCommand
+    let moveCommand: FileOperationCommand
+    
+    init(deleteCommand: FileDeleteCommand, moveCommand: FileMoveCommand) {
+        self.deleteCommand = deleteCommand
+        self.moveCommand = moveCommand
+    }
+    
+    func delete() {
+        deleteCommand.execute()
+    }
+    
+    func move() {
+        moveCommand.execute()
     }
 }
diff --git a/Design-Patterns.playground/section-58.swift b/Design-Patterns.playground/section-58.swift
@@ -1,10 +1,6 @@
-let stepCounter = StepCounter()
-stepCounter.totalSteps = 200
-// About to set totalSteps to 200
-// Added 200 steps
-stepCounter.totalSteps = 360
-// About to set totalSteps to 360
-// Added 160 steps
-stepCounter.totalSteps = 896
-// About to set totalSteps to 896
-// Added 536 steps
+let deleteCommand = FileDeleteCommand(file: "/path/to/testfile")
+let moveCommand = FileMoveCommand(file: "/path/to/testfile")
+let fileManager = FileManager(deleteCommand:deleteCommand , moveCommand: moveCommand)
+
+fileManager.delete()
+fileManager.move()
diff --git a/Design-Patterns.playground/section-60.swift b/Design-Patterns.playground/section-60.swift
diff --git a/Design-Patterns.playground/section-62.swift b/Design-Patterns.playground/section-62.swift
diff --git a/Design-Patterns.playground/section-64.swift b/Design-Patterns.playground/section-64.swift
diff --git a/Design-Patterns.playground/section-66.swift b/Design-Patterns.playground/section-66.swift
diff --git a/Design-Patterns.playground/section-68.swift b/Design-Patterns.playground/section-68.swift
diff --git a/Design-Patterns.playground/section-70.swift b/Design-Patterns.playground/section-70.swift
diff --git a/Design-Patterns.playground/section-72.swift b/Design-Patterns.playground/section-72.swift
diff --git a/Design-Patterns.playground/section-74.swift b/Design-Patterns.playground/section-74.swift
