抽象工厂与工厂方法：组合与实施？

这个问题在这里已经有了答案：

工厂，抽象工厂和工厂方法3的答案

---

抽象工厂

public interface IMyFactory
{
    IMyClass CreateMyClass(int someParameter);
}

用法：

public class SomeOtherClass
{
    private readonly IMyFactory factory;

    public SomeOtherClass(IMyFactory factory)
    {
        this.factory = factory;
    }

    public void DoSomethingInteresting()
    {
        var mc = this.factory.CreateMyClass(42);
        // Do something interesting here
    }
}

请注意， SomeOtherClass依赖于Composition与IMyFactory实例组合。

工厂方法

public abstract class SomeOtherClassBase
{
    public void DoSomethingInteresting()
    {
        var mc = this.CreateMyClass(42);
        // Do something interesting here
    }

    protected abstract IMyClass CreateMyClass(int someParameter)
}

用法：

public class SomeOtherClass2 : SomeOtherClassBase
{   
    protected override IMyClass CreateMyClass(int someParameter)
    {
        // Return an IMyClass instance from here
    }
}

注意这个例子依赖于继承来工作。

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