桥接模式

Java

双重扩展

场景

本身抽象类可以继承扩展，同时传入另一个接口体系
抽象类和接口独立扩展，互不影响

代码

Sample
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public interface Target {
    void action();
}

public abstract Controller {
    private Target target;

    public Controller(Targer target) {
        this.target = target;
    }

    public control() {
        target.action();
    }
}

public class Product implements Target {
    @Override
    public void action() {
        //action
    }
}

public class ProductController extends Controller {
    @Override
    public control() {
        super.control();
        //other control logic
    }
}

调用方代码

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Target target = new Product();
Controller controller = new ProductController(target);
controller.control();

特征

抽象类内部包含接口，构造传入

版权声明

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本文永久链接：http://linest.github.io/2016/11/15/java-pattern-bridge/