factory

Author: T0shik

factory/abstract_factory.linq

@@ -0,0 +1,45 @@
+<Query Kind="Program" />
+
+void Main()
+{
+	new NavigationBar(new Android());
+	new DropdownMenu(new Android());
+}
+
+public class NavigationBar
+{
+	public NavigationBar(IUIFactory factory) => factory.CreateButton();
+}
+
+public class DropdownMenu
+{
+	public DropdownMenu(IUIFactory factory) => factory.CreateButton();
+}
+
+public interface IUIFactory
+{
+	public Button CreateButton();
+
+	public Button CreateButton();
+}
+
+public class Apple : IUIFactory
+{
+	public Button CreateButton()
+	{
+		return new Button { Type = "iOS Button".Dump() };
+	}
+}
+
+public class Android : IUIFactory
+{
+	public Button CreateButton()
+	{
+		return new Button { Type = "Android Button".Dump() };
+	}
+}
+
+public class Button
+{
+	public string Type { get; set; }
+}

factory/factory.linq

@@ -0,0 +1,29 @@
+<Query Kind="Program" />
+
+void Main()
+{
+	new NavigationBar();
+	new DropdownMenu();
+}
+
+public class NavigationBar {
+	public NavigationBar() => ButtonFactory.CreateButton();
+}
+
+public class DropdownMenu
+{
+	public DropdownMenu() => ButtonFactory.CreateButton();
+}
+
+public class ButtonFactory
+{
+	public static Button CreateButton()
+	{
+		return new Button { Type = "Red Button".Dump() };
+	}
+}
+
+public class Button
+{
+	public string Type { get; set; }
+}

factory/factory_method.linq

@@ -0,0 +1,53 @@
+<Query Kind="Program" />
+
+void Main()
+{
+	new NavigationBar();
+	new DropdownMenu();
+	new AndroidNavigationBar();
+	new AndroidDropdownMenu();
+}
+
+public abstract class Element
+{
+	protected abstract Button CreateButton();
+
+	public Element() => CreateButton();
+}
+
+public class NavigationBar : Element
+{
+	protected override Button CreateButton()
+	{
+		return new Button { Type = "Default Button".Dump() };
+	}
+}
+
+public class DropdownMenu : Element
+{
+	protected override Button CreateButton()
+	{
+		return new Button { Type = "Default Button".Dump() };
+	}
+}
+
+public class AndroidNavigationBar : Element
+{
+	protected override Button CreateButton()
+	{
+		return new Button { Type = "Android Button".Dump() };
+	}
+}
+
+public class AndroidDropdownMenu : Element
+{
+	protected override Button CreateButton()
+	{
+		return new Button { Type = "Android Button".Dump() };
+	}
+}
+
+public class Button
+{
+	public string Type { get; set; }
+}