Bridge_Pattern

本文深入解析了桥接设计模式,通过具体的Java代码示例展示了如何使用桥接模式来分离抽象和实现,使得两者可以独立变化。文章通过创建抽象类和具体实现类,演示了桥接模式如何提供更灵活的系统设计。

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package bridge_pattern;

public abstract class Implementor {
    public abstract void Operation();
}

package bridge_pattern;

public class ConcreteImplementorA extends Implementor{
    @Override
    public void Operation() {
        System.out.println("THe concrete method A is executing.");
    }
}

package bridge_pattern;

public class ConcreteImplementorB extends Implementor{
    @Override
    public void Operation() {
        System.out.println("THe concrete method B is executing.");
    }
}

package bridge_pattern;

public class Abstraction {
    protected Implementor implementor;
    public void SetImplementor(Implementor implementor) {
        this.implementor = implementor;
    }
    public void Operation() {
        implementor.Operation();
    }
}

package bridge_pattern;

public class RefinedAbstractionA extends Abstraction{
    @Override
    public void Operation() {
        System.out.println("The current class is A.");
        implementor.Operation();
    }
}

package bridge_pattern;

public class RefinedAbstractionB extends Abstraction{
    @Override
    public void Operation() {
        System.out.println("The current class is B.");
        implementor.Operation();
    }
}

package bridge_pattern;

public class Main {
    public static void main(String args[]) {
        Abstraction ab =new RefinedAbstractionA();
        //Abstraction ab =new RefinedAbstractionB();
        ab.SetImplementor(new ConcreteImplementorA());
        ab.Operation();
        ab.SetImplementor(new ConcreteImplementorB());
        ab.Operation();
    }
}
/*
 * Composition is stronger than Aggregation.
 * Swallow composite Wing.
 * GooseGroup aggregate Swallow.
 * The different is life cycle.
 * The composition at the level of abstraction decouple the system
 * and makes it more flexible.
 */

This is a general introduction to the 23 design patterns:
https://blog.youkuaiyun.com/GZHarryAnonymous/article/details/81567214

See more source code:[GZHarryAnonymous](https://github.com/GZHarryAnonymous/Design_Pattern)

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