poodinis/example/applicationcontext/app.d

/**
 * Poodinis Dependency Injection Framework
 * Copyright 2014-2021 Mike Bierlee
 * This software is licensed under the terms of the MIT license.
 * The full terms of the license can be found in the LICENSE file.
 */

import poodinis;

import std.stdio;

class TownSquare
{

	@Autowire private MarketStall marketStall;

	public void makeSound()
	{
		marketStall.announceGoodsForSale();
	}
}

interface Goods
{
	public string getGoodsName();
}

class Fish : Goods
{
	public override string getGoodsName()
	{
		return "Fish";
	}
}

class MarketStall
{
	private Goods goods;

	this(Goods goods)
	{
		this.goods = goods;
	}

	public void announceGoodsForSale()
	{
		writeln(goods.getGoodsName() ~ " for sale!");
	}
}

class ExampleApplicationContext : ApplicationContext
{

	@Autowire private Goods goods;

	public override void registerDependencies(shared(DependencyContainer) container)
	{
		container.register!(Goods, Fish);
		container.register!TownSquare;
	}

	@Component public MarketStall marketStall()
	{
		return new MarketStall(goods);
	}
}

void main()
{
	auto container = new shared DependencyContainer();
	container.registerContext!ExampleApplicationContext;

	auto townSquare = container.resolve!TownSquare;
	townSquare.makeSound();
}