decorator.java

来自「《JAVA与模式》附书中源代码」· Java 代码 · 共 23 行

package com.javapatterns.decorator.simplified1;

public class Decorator extends ConcreteComponent
{
    public Decorator(ConcreteComponent component)
    {
//        super();
        this.component = component;
    }

    public Decorator() {
    }

    public void sampleOperation(){
        component.sampleOperation();
    }

    /**
     * @link aggregation 
     */
    private ConcreteComponent component;
}