adapter

Author: mugkulee

.idea/workspace.xml

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+package kotlinex.observer
+
+import adapter.old.*
+
+fun main(args: Array<String>) {
+
+    println("====== old ======")
+    val duck: Duck = MallardDuck()
+    val turkey: Turkey = WildTurkey()
+    val turkeyToDuckAdapter: Duck = TurkeyAdapter(turkey)
+    println("old === duck === ${duck.fly()} :: ${duck.quack()}")
+    println("old === turkey === ${turkey.fly()} :: ${turkey.gobble()}")
+    println("old === turkeyToDuckAdapter === ${turkeyToDuckAdapter.fly()} :: ${turkeyToDuckAdapter.quack()}")
+
+    println("====== NEW ======")
+
+}

build/classes/main/META-INF/functionalprogrammingpatterns_main.kotlin_module

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+package adapter.old
+
+interface Duck {
+    fun quack()
+    fun fly()
+}

src/main/kotlin/adapter/adapterexcute.kt

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+package adapter.old
+
+class MallardDuck: Duck{
+    override fun quack() {
+        println("Duck quack")
+    }
+
+    override fun fly() {
+        println("Duck fly")
+    }
+}

src/main/kotlin/adapter/old/Duck.kt

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+package adapter.old
+
+interface Turkey {
+    fun gobble()
+    fun fly()
+}

src/main/kotlin/adapter/old/MallardDuck.kt

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+package adapter.old
+
+class TurkeyAdapter(val turkey: Turkey): Duck{
+    override fun quack() {
+        println("TurkeyAdapter quack")
+        turkey.gobble()
+    }
+
+    override fun fly() {
+        println("TurkeyAdapter fly")
+        turkey.fly()
+    }
+}

src/main/kotlin/adapter/old/Turkey.kt

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+package adapter.old
+
+class WildTurkey: Turkey{
+    override fun gobble() {
+        println("Turkey gobble")
+    }
+
+    override fun fly() {
+        println("Turkey fly")
+    }
+}

src/main/kotlin/adapter/old/TurkeyAdapter.kt

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+package kotlinex.observer
+
+import command.old.*
+
+fun main(args: Array<String>) {
+
+    println("====== old ======")
+    val remote: SimpleRemoteControl = SimpleRemoteControl()
+    val lightOnCommand: LightOnCommand = LightOnCommand(Light())
+    val garageDoorCommand: GarageDoorCommand = GarageDoorCommand(GarageDoor())
+
+    remote.slot = lightOnCommand
+    remote.buttonWasPressed()
+
+    remote.slot = garageDoorCommand
+    remote.buttonWasPressed()
+
+    println("====== NEW ======")
+    val remoteK: SimpleRemoteControlK<Unit> = SimpleRemoteControlK()
+    remoteK.buttonWasPressed({println("test ing...")})
+
+}

src/main/kotlin/adapter/old/WildTurkey.kt

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+package command.old
+
+class SimpleRemoteControlK<R> {
+    fun buttonWasPressed(func: () -> R): Unit {
+        func.invoke()
+    }
+}